Gravity: Alcohol / Alkohol Sensor (0-5ppm) - DFROBOT

Specification Detected Gas: alcohol Interfering Gas: benzene(C6H6), toluene(C7H8), acetic acid(CH3COOH), hydrogen sulfide(H2S), carbon monoxide(CO) Operating Voltage: 3.3～5.5V DC Power: 0.05W（5V） Signal Output: I2C, UART(0~3V) Measuring Range: 0~5ppm Resolution: ≤0.01ppm（10ppb） Preheat Time: ≤3min Response Time: ≤60s Recover Time: ≤60s Operating Temperature: -20～50℃ Operating Humidity: 15～90%RH (No condense) Storage Temperature: 0~25℃ Service Life: gt;2 years(In the air) Board Dimension: 27mm×37mm/1.06×1.46 #34; Shipping List : Alcohol Sensor module x1 Gravity-4pin I2C Cable x1 M3*10 Nylon post x4 M3*5 Screws x8 Sources : https://wiki.dfrobot.com/Alcohol_Sensor_Module_SKU_SEN0376#target_8