{"product_id":"estardyn-mq-2-mq-3-mq-7-mq-135-gas-sensor-module-smoke-methane-lpg-leakage-detector-for-smart-home-gas-alarm-diy-kit","title":"Estardyn MQ-2\/MQ-3\/MQ-7\/MQ-135 Gas Sensor Module Smoke Methane LPG Leakage Detector for Smart Home Gas Alarm DIY Kit","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eAccessory Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSENSOR\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBattery Included\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eno\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEstardyn\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCompatible With\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\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\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTypical Application Fields\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEducation and Learning\u003c\/span\u003e\u003c\/p\u003e\u003cp style='font-family:\"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;padding:0px;box-sizing:border-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;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' align=\"start\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan\u003e\u003cspan style=\"background-color:rgb(255, 255, 0)\"\u003eMQ-2 Sensor\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style='font-family:\"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;padding:0px;list-style:none;box-sizing:border-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34)' 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\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eModel: MQ-2\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eGas: smoke\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eDetection range: 300 to 10000ppmm\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eCharacteristic gas: 1000ppmm isobutane\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitivity: R in air\/Rin typical gasge5\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitive body resistance: 1KOmega to 20KOmega in 50ppm toluene\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eResponse time: le10s\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eRecovery time: le30s\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating resistance: 31 Omega plusmn 3 Omega\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating current: le180mA\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating voltage: 5.0V plusmn 0.2V\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating power: le900mW\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eMeasuring voltage: le24V\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eWorking conditions Ambient temperature: -20 deg C ~ +55 deg 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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHumidity: le95% RH\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eEnvironmental oxygen content: 21%\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eStorage conditions Temperature: -20 deg C ~ +70 deg 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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHumidity: le70%RH\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eApplications: Household and factory gas leak monitoring devices suitable for detection of liquefied gases, butane, propane, methane, alcohol, hydrogen, fumes, etc.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan\u003e\u003cspan style=\"background-color:rgb(255, 255, 0)\"\u003eMQ-3 Sensor\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);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:none;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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eGas: Alcohol (ethanol)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eDetection range: 10 ~ 1000ppm alcohol\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eCharacteristic gas: 125ppm alcohol\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitivity: R in air\/Rin typical gasge5\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitive body resistance: 1 ~ 20KOmega in air\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eResponse time: le10s (70% Response)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eRecovery time: le30s (70% Response)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating resistance: 31 Omega plusmn 3 Omega\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating current: le180mA\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating voltage: 5.0V plusmn 0.2V\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating power: le900mW\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eMeasuring voltage: le24V\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eAmbient temperature: -20 deg C ~ +55 deg 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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHumidity: le95% RH\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eEnvironmental oxygen content: 21%\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eStorage temperature: -20 deg C ~ +70 deg 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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eStorage humidity: le70%RH\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\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\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan\u003e\u003cspan style=\"background-color:rgb(255, 255, 0)\"\u003eMQ-7 Sensor\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cul style='font-family:\"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;padding:0px;list-style:none;box-sizing:border-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34)' 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\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eProduct model: MQ-7\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eProduct type : Semiconductor gas sensor\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eDetection gas: carbon monoxide\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eDetection concentration: 10-1000ppmCO\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eLoop voltage: le10V 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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating voltage (VH): 5.0V plusmn 0.2V ACorDC (high)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003e1.5V plusmn 0.1VACorDC (low)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating time (TL): 60plusmn1S (high) 90plusmn1S (low)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eLoad resistance (RL): adjustable\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating resistance (RH): 31Omega plusmn 3Omega (room temperature)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating power consumption (PH): le350mW\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitive surface resistance (Rs): 2KOmega-20KOmega (in100ppmCO)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitivity (S); Rs (in air) \/ Rs (100ppmCO) ge 5\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eConcentration slope (alpha): le 0.6 (R300ppm\/R100ppmCO)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eTemperature, humidity: 20 deg C plusmn 2 deg C; 65% plusmn 5% RH\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eStandard test circuit: Vc: 5.0V plusmn 0.1V; VH (high): 5.0V plusmn 0.1V; VH (low): 1.5V plusmn 0.1V\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eWarm-up time: no less than 48 hours\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan\u003e\u003cspan style=\"background-color:rgb(255, 255, 0)\"\u003eMQ135 Sensor\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"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;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\";font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);box-sizing:content-box' align=\"start\"\u003e\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:none;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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eProduct model: MQ135\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eProduct Type: Semiconductor Gas Sensor\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eDetection gas: ammonia, sulfide, benzene vapor\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eDetection concentration: 10-1000ppm (ammonia, toluene, hydrogen)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eLoop voltage (Vc): le24V 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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating voltage (VH): 5.0V plusmn 0.2V ACorDC\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eLoad resistance (RL): adjustable\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating resistance (RH): 31 Omega plusmn 3 Omega (room temperature)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eHeating power consumption (PH): le900mW\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitive surface resistance (Rs): 2KOmega-20KOmega (in 100ppm NH3)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eSensitivity (S): Rs (in air) \/ Rs (100ppm NH3) ge 5\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eConcentration slope (alpha): le 0.6 (R100ppm\/R50ppmNH3)\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eTemperature, humidity: 20 deg C plusmn 2 deg C; 65% plusmn 5% RH\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eStandard test circuit: Vc: 5.0V plusmn 0.1V; VH: 5.0V plusmn 0.1V\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=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eWarm-up time: no less than 48 hours\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;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' align=\"start\"\u003e\u003cimg style=\"max-width:100%\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hfbb746b81dcb45f28ae5d8bc994d2c03o.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"max-width:100%\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hdd46bfa50149464fa42ddbdb98ec261cw.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"max-width:100%\" src=\"https:\/\/ae01.alicdn.com\/kf\/H3a33e98710a54b069e0b8dd6d56472d2s.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"max-width:100%\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hc345c83cb161408abd196b49c77b84bbe.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"max-width:100%\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hd1b35006d1de492f9005823b3e668eb0y.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"max-width:100%\" src=\"https:\/\/ae01.alicdn.com\/kf\/H06a50fb16f18438dbd7f8f0e4a146aa36.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"max-width:100%\" src=\"https:\/\/ae01.alicdn.com\/kf\/Ha9a3d9bb9e2e478b8dfaf4e2e6a2a3af2.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"MQ-2","offer_id":55441269326123,"sku":"14:10#MQ-2","price":10.89,"currency_code":"USD","in_stock":false},{"title":"MQ-3","offer_id":55441269358891,"sku":"14:691#MQ-3","price":12.15,"currency_code":"USD","in_stock":false},{"title":"MQ-7","offer_id":55441269391659,"sku":"14:29#MQ-7","price":11.66,"currency_code":"USD","in_stock":false},{"title":"MQ-135","offer_id":55441269424427,"sku":"14:173#MQ-135","price":11.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Saeaa30b613aa430c9a009bdb394134fac.webp?v=1788751143","url":"https:\/\/yoeruyo.com\/products\/estardyn-mq-2-mq-3-mq-7-mq-135-gas-sensor-module-smoke-methane-lpg-leakage-detector-for-smart-home-gas-alarm-diy-kit","provider":"Yoeruyo","version":"1.0","type":"link"}