Gas sensor This analog gas sensor has a small heating part with an electronical chemical sensor. It is suitable for indoor usage. The sensor can output exact values only after warmup phase. Caution: sensor gets hot while usage! SpecificationsMeasurement range300 - 10000 ppmMeasureable substancesCompressed natural gas (CNG), methane (CH4)Application areasDetecting gas leaks, gas alarm, robotic, microcontroller projectsCompatible withRaspberry Pi (with AD-converter), Arduino. etc.Special featuresHigh sensitivity which can be adjusted by potentiometer, quick reaction timeAnalog OutputValues are processed by the microcontrollerDigital Outputthresholds can be setPinsVCC: Voltage supply 5V, GND: Ground, AOUT: Analog Output, DOUT: Digital OutputResponse time? 10 sRecovery time? 30 sHeating current? 180 mAHeating resistance and power31 ± 3?; ?900 mWWorking temperature-20 - 55 ° CDimensions52 x 20 x 18 mmWeight8 ghttps://joy-it.net/en/products/SEN-MQ4