HEVAC SRT-HSP Temperature Sensor with Setpoint Adjust

The SRT-HSP is an adjustable setpoint room sensor that is intended for use with Hevac brand HTC 2 & 4 series controllers. The sensor has a PTC characteristic (increase in temperature = increase in resistance) and changes approximately 14 ohms per degree. Both a concealed and exposed adjustment knob are included, allowing plus or minus 3.5°C from the HTC’s main setpoint.