MQ-137 Datasheet

MQ-137 GAS SENSOR

HANWEI ELECTRONICS CO.,LTD TECHNICAL DATA MQ-137 http://www.hwsensor.com MQ-137 GAS SENSOR FEATURES Fast response and High sensitivity Stable and long life Simple drive circuit APPLICATION They are used in air quality control equipments for buildings/factory, are suitable for detecting of N.

Features

Fast response and High sensitivity Stable and long life Simple drive circuit APPLICATION They are used in air quality control equipments for buildings/factory, are suitable for detecting of NH3. SPECIFICATIONS A. Standard work condition Symbol Parameter name Vc Circuit voltage VH Heating voltage RL Load resistance RH Heater resistance PH Heating consumption B. Environment condition Symbol Parameter name Tao Using Tem Tas Storage Tem RH Related humidity O2 Oxygen concentration C. Sensitivity characteristic Symbol Parameter name Ro Sensing Resistance Technical condition .