Huaban 1Pcs Mq-137 Mq137 Ammonia Detection Sensor Nh3 Gas Sensor Module 713806667697
HUABAN
MQ-137 Ammonia (NH3) Detection Sensor Heating Voltage: 5 + 0.2V (DC - AC); Loop Voltage: DC5V (maximum 24V DC); Working Voltage: DC 5V; Working current: 180mA Detection concentration range: 5-500ppm Size: 40mm(L) X28mm(W) 35mm(L) Package Include: 1PCS MQ-137 Sensor Module, Manufacturer: HUABAN
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