{"product_id":"mh-z19-mh-z19c-mh-z19b-mh-z19e-ir-infrared-co2-sensor-module-carbon-dioxide-gas-sensors-ndir-co2-monitor-400-5000-0-5000ppm-uart-1","title":"MH-Z19 MH-Z19C MH-Z19B MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensors NDIR CO2 Monitor 400-5000 0-5000ppm UART","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEC Buying\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMixture\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOther\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMHZ19 MHZ19B MHZ19C\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOther 2\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAir Quality Sensor For Arduino\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOther 3\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003emh-z19d mh z19d\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDigital Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSmart Electronics Experiment\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitch And Sensor For Arduino STM32\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTheory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCO2 Sensor Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGas Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGas Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cspan style='color:rgb(244, 78, 59);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eMH-Z19E MH-Z19D, the specifications are the same, the model name is changed by the factory.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eMH-Z19B carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose smart small-scale sensor that uses non-dispersive infrared (NDIR) principle to detect the presence of CO2 in the air, with good selectivity and anaerobic  Gas dependence, long life and other characteristics; built-in temperature compensation; at the same time with serial output, analog output and PWM output, easy to use. The sensor is a high-performance sensor that combines mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eParameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:disc;box-sizing:border-box' align=\"start\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProduct model number: MH-Z19B\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eGas Detection: Carbon Dioxide\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eSupply voltage: 4.5~5.5V DC\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAverage current: \u0026lt;20mA (@5V power supply)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePeak current: 150 mA (@5V supply)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eInterface level: 3.3V (5V compatible)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eMeasurement range: 400~5000ppm can be selected within the range \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWarm-up time: 3min\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eResponse time: T90\u0026lt;120s\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWorking temperature: 0～50°C\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eOperating Humidity: 0 to 95% RH (non-condensing)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eCharacteristics:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\n\u003cul style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:disc;box-sizing:border-box\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eGas chamber with gold plating, waterproof and corrosion resistant\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eHigh sensitivity, low power consumption\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eExcellent stability\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eTemperature compensation, excellent linear output\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eProvides serial (UART), analog (DAC), PWM waveform output methods\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003elong lasting\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eWater vapor interference, not poisoning\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eApplication:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:disc;box-sizing:border-box\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eHVAC refrigeration equipment\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAir quality monitoring equipment\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eFresh air system\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eAir purification equipment\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eSmart home\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eSCHOOL\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;text-align:center;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hf6ab5a8f7f2b46fda89a508e5ed715bbw.jpg?width=891\u0026amp;height=197\u0026amp;hash=1088\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eVin: Power Positive (Vin)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eGND: Negative Power Supply (GND)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eVo: Analog output\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePWM: PWM\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eHD: HD (zero for school, low for more than 7 seconds)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eRx: UART(RXD) TTL Level Data Input\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eTx: UART (TXD) TTL level data output\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin 1: Analog Output Vo\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin 2: None\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin 3: Negative Power Supply (GND)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin 4: Positive Power Supply (Vin)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin 5: UART(RXD) TTL Level Data Input\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin 6: UART (TXD) TTL Level Data Output\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003ePin 7: None\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:center;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"center\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/H103363e535614f108474955dc1e6ba45k.jpg?width=921\u0026amp;height=318\u0026amp;hash=1239\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:center;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1c31744bbb2b4e44acb40418eda2a71b8.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:center;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H63e6ec593740497d9ede53163dcde8c6o.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H344143470f4d46a29d29733eb5f01bady.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eThe MH-Z19C carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose intelligent small sensor that uses the principle of non-dispersive infrared (NDIR) to detect the presence of C02 in the air. And other features; built-in temperature compensation: simultaneously has serial output, PWM output, easy to use. The sensor is a high-performance sensor made by closely combining mature infrared absorption gas detection technology with sophisticated optical circuit design and sophisticated circuit design.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eProduct parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eDetection gas: carbon dioxide\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003ePower supply voltage: DC (5.0 ± 0.1) V\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eAverage current: \u0026lt;40mA (@5V power supply)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003ePeak current: 125 to (@5V power supply)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eInterface level: 3. 3v (compatible with 5v)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eMeasuring range: 400-5000PPM optional\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eOutput signal: serial UART (TL level 3.3V)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eWarm-up time: 1min\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eResponse time: T90\u0026lt; 120s\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eWorking temperature: -10-50degree\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eWorking humidity: 0~95%RH (no condensation)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003ePin description:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eVin: Power +(in)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eGND: power supply-(GND)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003ePWM: PWM\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eHd: HD (zero calibration, low level is effective for more than 7 seconds)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eRx: UART (RXD) TTL level data input\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eTx: UART (TXD) TTL level data output\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eOutput method:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"color:rgb(192, 0, 0);font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003ePWM output\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eAssume the measurement range is 400-2000ppm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eCO2: Concentration output range: 400-2000ppm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003ePeriod: 1004ms±5%\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eHigh level output at the beginning of the cycle: 2ms (theoretical value)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eCentral period: 1000ms±5%\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eLow level output at the end of the period: 2ms (theoretical value)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eCalculation formula for obtaining current CO2 concentration value by PWM: Cppm=2000X (TH-2ms)\/(TH+TL-4ms)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eCppm: CO2 concentration value calculated by the unit of ppm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eTH: the time when the output is high level in one output cycle\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eTL: the time when the output is low in one output cycle\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:center;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"center\"\u003e\u003cimg style=\"font-family:inherit;font-size:0px;font-weight:inherit;line-height:inherit;color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hf0154abb58c849cc9d9a83493806d030t.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"color:rgb(192, 0, 0);font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eSerial output (UART)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:20px;font-family:inherit\"\u003e\u003cspan style='font-size:inherit;font-family:\"times new roman\", times, serif'\u003eHardware connection, connect the sensor's Vin-GND-RXD-TXD to the user's 5V-GND-TXD-RXD. (User terminal must use TTL level)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:center;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"center\"\u003e\u003cimg style=\"font-family:inherit;font-size:0px;font-weight:inherit;line-height:inherit;color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/H60c5f80e7df948f29da644714a70dd0cc.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"open sans\", sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H5b36cf6e40d449a584239b746aae33b2a.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Ha4a9c80ae84540e7969294e44cf4128e2.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cstrong\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eProduct Details:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThe MH-Z19E carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose intelligent small sensor. It has two products: pin and terminal. It uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air and has good selectivity. , No oxygen dependence, long life, etc.; built-in temperature compensation; also has serial port output, PWM output, easy to use. The sensor is a high-performance sensor made by closely combining mature infrared absorption gas detection technology with precise optical circuit design and sophisticated circuit design.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cstrong\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eSensor characteristics:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eHigh sensitivity, low power consumption\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eExcellent stability\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eTemperature compensation, excellent linear output\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eProvide serial port (UART), PWM waveform and other output methods\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003elong lasting\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAnti-water vapor interference, no poisoning\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cstrong\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eHVAC equipment\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAir quality monitoring equipment\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eFresh air system\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAir purification equipment\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eSmart home\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eschool\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cstrong\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eParameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eProduct model: MH-Z19E\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eDetection gas: carbon dioxide\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003ePower supply voltage: DC(5.0±0.1)V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAverage current: \u0026lt;40mA (@5V power supply)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003ePeak current: 125 mA (@5V power supply)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eInterface level: 3.3V (compatible with 5V)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eMeasuring range: 400~5000ppm optional\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eOutput signal: serial port (UART) (TTL level 3.3V); PWM\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eWarm-up time: 1min\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eResponse time: T90 \u0026lt;120s\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eWorking temperature: -10℃～50℃\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eStorage temperature: -20℃～60℃\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Arial, Helvetica, sans-serif, Heiti;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eWorking humidity: 0～95%RH (non-condensing)\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H437457cdab884b46b9d21b7832da57a4y.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H091347f2ef3b4f5cbbfa753c1278382bf.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hff309af85ea14f819789212a53aa53b5y.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H991e6693c853490d88aefcd4c5af97220.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H7e09b1df705346c39706473d85683d12A.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eMH-Z1911A infrared CO2 sensor is intelligent sensor with small size, using non-dispersive infrared (NDIR) principle to detect the concentration of CO2 in the air of buildings such as office, home, classroom, airport installed in air quality meters, air purifier and HVAC system. It has excellent selectivity carbon dioxide, built-in temperature compensation for high accuracy, lower power consumption and optional output ways of UART and PWM. It is developed by the tight integration of mature infrared absorbing gas detection technology, precision optical circuit design and superior circuit design.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003ch4 style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:disc;box-sizing:border-box' align=\"start\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eHVAC system\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eAir purifier\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eAir quality monitor\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eConsumer CO2 meter\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eSmart home device\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eSmart building automation\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eIndoor environmental control\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:disc;box-sizing:border-box' align=\"start\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eHigh sensitivity, low power consumption\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eGood stability and consistency\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eTemperature compensation, excellent linear output\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eMultiple output modes: UART, PWM\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eLong lifespan\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eAnti-water vapor interference, anti-poisoning\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"start\"\u003e\u003ctable style=\"border-collapse:collapse\" border=\"1\" cellpadding=\"10\" cellspacing=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eModel No.\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eMH-Z1911A\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003ePreheat time\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e1 min\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eDetection Gas\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eCO2\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eResponse Time\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eT90 \u0026lt;120s\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eWorking voltage\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eDC 5.0±0.1V\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eWorking temperature\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e-10 ~ 50 ℃\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eAverage current\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e\u0026lt;30mA (@5V power supply)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eWorking humidity\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e0~95%RH(No condensation)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003ePeak current\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e125mA (@5V power supply)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eStorage temperature\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e-20~60 ℃\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eInterface level\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e3.3 V(Compatible with 5V)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eWeight\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e5 g\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eOutput signal\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eSerial Port (UART)(TTL level 3.3V)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003eDetection Range\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:24px;font-family:\"times new roman\", times, serif'\u003e400~10000ppm(optional,see table2.)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:24px;font-family:\"times new roman\", times, serif'\u003ePWM\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa592450ac4da4df5a8392add876ab101O.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa988797aecc3448db1bedc915388db6ck.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Z19D with Terminal","offer_id":55441027268907,"sku":"14:496#Z19D with Terminal","price":60.12,"currency_code":"USD","in_stock":true},{"title":"MH-Z19C with Pin","offer_id":55441027301675,"sku":"14:175#MH-Z19C with Pin","price":101.79,"currency_code":"USD","in_stock":true},{"title":"MH-Z19B with Cable","offer_id":55441027334443,"sku":"14:173#MH-Z19B with Cable","price":101.3,"currency_code":"USD","in_stock":true},{"title":"MH-Z19B","offer_id":55441027367211,"sku":"14:10#MH-Z19B","price":101.75,"currency_code":"USD","in_stock":true},{"title":"MH-Z1911A with Pin","offer_id":55441027399979,"sku":"14:29#MH-Z1911A with Pin","price":43.07,"currency_code":"USD","in_stock":true},{"title":"Z19D with Pin","offer_id":55441027432747,"sku":"14:366#Z19D with Pin","price":59.99,"currency_code":"USD","in_stock":true},{"title":"MH-Z1911A with Cable","offer_id":55441027465515,"sku":"14:365458#MH-Z1911A with Cable","price":41.63,"currency_code":"USD","in_stock":true},{"title":"MH-Z19C with Cable","offer_id":55441027498283,"sku":"14:193#MH-Z19C with Cable","price":101.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/H24317a4de0274c79ad366ee9283d0bd39_df62523e-6933-4be7-833e-8fe7256e6186.webp?v=1788748541","url":"https:\/\/yoeruyo.com\/products\/mh-z19-mh-z19c-mh-z19b-mh-z19e-ir-infrared-co2-sensor-module-carbon-dioxide-gas-sensors-ndir-co2-monitor-400-5000-0-5000ppm-uart-1","provider":"Yoeruyo","version":"1.0","type":"link"}