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HANWEI ELECTRONICS CO ., LTD
MQ –7
http://www.hwsensor.com
TECHNICAL DATA
FEATURES * High sensitivity to carbon monoxide * Stable and long life
MQ-7
GAS SENSOR
APPLICATION They are used in gas detecting equipment for carbon monoxide(CO) in family and industry or car. SPECIFICATIONS A. Standard work condition Symbol Parameter name Vc circuit voltage VH (H) Heating voltage (high) VH (L) Heating voltage (low) RL Load resistance RH Heating resistance TH (H) Heating time (high) TH (L) Heating time (low) PH Heating consumption b. Environment conditions Symbol Tao Tas RH O2 Parameters Using temperature Storage temperature Relative humidity Oxygen concentration
Technical condition 5V±0.1 5V±0.1 1.4V±0.
MQ7 Datasheet
