Ammonia Gas Sensor - MQ-137
97 units will be available shortly.
The MQ-137 is an Ammonia (NH₃) gas sensor from Winsen. The sensing element is SnO2, which has lower conductivity in clean air. When NH₃ (Ammonia) gas exists, the sensor’s conductivity gets higher along with the gas concentration rising. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward, but does require some calibration.
For easy Solderability; use our Gas Sensor Breakout Board.
The Ammonia Gas Sensor - MQ-137 appears in the following collections:
SKU SF-SEN-17053
by Little Bird