Humidity & Temperature Sensor - Flush Mount The Humidity and Temperature Sensor 086 can be connected to select tekmar thermostats to remotely measure relative humidity and temperature. The 086 mounts flush or nearly flush to the wall to allow the sensor to visually blend in with the surrounding wall. Features Compatible with tekmar thermostats that support auxiliary humidity sensors Hidden humidity and temperature sensing Dimensions 1-7/16" O.D. x 1-9/16" D (36 O.D. x 40 mm D) Enclosure Material White PC-ABS plastic Enclosure NEMA Rating NEMA 1 Environmental Notice Compatible with chlorinated swimming pool environments. Do not use in presence of ammonia (animal barns), methanol, ethanol, acetone. Humidity Sensor 0 to 90 percent plus / minus 3 percent RH Operating Range Indoor use only, 15 to 140 degrees F (-10 to 60 degrees C), non-condensing Power Supply 2.7 to 5.5 V (dc), 0.5 mA max, 65 k ohms min impedance Sensor Temperature sensor NTC thermistor, 10 k ohms at 7 Resources Datasheet Installation Instructions More Info