This CHM-01A Temp. & Humidity sensor is an add-on accessory for our GSM controllers, see related products, that has humidity channel capacity.

It has a humidty range of 0 to ~ 100%RH with an acurracy measurement of 5% The humidity sensor is intended for indoor monitoring.

The 4-wire shielded cable is approximately 1 m in length and be extended up to 100 m. It is powered from the internal 5 VDC output terminal of the suitable GSM controller.