Catalog > Internet of Things (IOT) Related Products > More Platforms HKD MQ2 GAS SENSOR MODULE Gas Sensor - LPG, I-Butane, Propane, Methane ,Alcohol, Hydrogen, Smoke etc. Part No: HKD MQ2 GAS SENSOR MODULE 40.00 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Detector Type : ZYMQ - 2 Gas SensorDetectable Concentration : 300-10000ppm (flammable gas)Operating Voltage: 5V DC (VCC Pin)Dual Signal Output (analog (AO pin) and TTL (DO pin) level output)TTL output signal is normally low, goes high when has is detected. Threshold is adjusted with the onboard potentiometer0 ~ 5V analog output voltage, the higher the concentration, the higher the voltageIndicator LEDsPowerDO (Digital Output On)Dimensions (approximate) : 32mm x 20mm x 27mm LxWxH (1.25 x 0.8 x 1.1 inches)Weight : 7 grams Downloads Datasheet - MQ2 GAS SENSOR PDF File 179.82 KB