Humidity/temperature Transducer Model no :- RHP-3D2B Part NO :- 100767-25 POWER : 15-35 VDC, 15-29 VAC Item Category : HVAC Sensors Subcategory : Humidity Sensors Series : RHP Application : Duct Input : 15~32 VDC;15~29 VAC Output : 0~10 VDC Display : None Humidity Range : 0 to 100% RH Temperature Sensor : Yes Temperature Range : -40~140 deg F Approvals : CE