High Temperature RH Temperature Transmitter Duct Mount 4-20 mA TEGAM's high temperature solution for RH and temperature monitoring under high temperature conditions. The Humitran-T Series transmitters measure humidity levels from 3% to 95% RH and temperatures from -40 °F to 356 °F (-40 °C to 180 °C). Probes are constructed with stainless steel and Teflon cable. Technical Specifications Humidity Range : 3% to 95% RH Humidity Accuracy : ± 2% Temperature Range : -40 °C to 180 °C Temperature Accuracy : ± 0.5 °C Input : 7 V to 30 V DC supply Temperature and RH output : 4 mA to 20 mA Adjustable or removable duct flange One year warranty Made in USA