{"product_id":"infrared-carbon-dioxide-sensor-mh-z19b-mh-z19c-air-quality-monitoring-co2-detection","title":"Infrared carbon dioxide sensor MH-Z19B MH-Z19C Air quality monitoring \/CO2 detection","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\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\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDigital Sensor\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\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eMH-Z19 Carbon dioxide gas sensor (hereinafter referred to as the sensor) a general purpose, small sensor, using non-dispersive infrared (NDIR) principle to detect the presence of C0z in the air, with good selectivity, no oxygen dependence, long life. Built-in temperature compensation; Digital output and waveform output at the same time, easy to use. The sensor combines mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design to produce high performance sensor\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eProduct model: MH-Z19B\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eLife span: \u0026gt;5 years\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eInterface level: 3.3V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003ePreheating time: 3min\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eAverage current: \u0026lt;18mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eDetected gas: Carbon dioxide\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eOperating voltage: 3.6~5.5VDC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eSensor features: Provide LART, PWM waveform and other output modes long service life, excellent stability, anti-water vapor interference, no poisoning, temperature compensation, excellent linear output high sensitivity, high frequency, low power consumption\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eResponse time: T90\u0026lt;60s\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eOperating temperature: 0~50℃\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eOutput signal: UART PWM\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eWorking humidity: 0~95%RH(non-condensing)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eOverall dimensions: 33mmX20mmX9mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eMeasurement range: 0 to 0.5%Vol This parameter is optional\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eMain applications: Can be widely used in HVAC refrigeration and indoor air refrigeration monitoring.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cimg cke-id=\"img39\" data-id=\"ckeditor_img34\" referrerpolicy=\"no-referrer\" 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