Honeywell Commercial HP971A1024 Pneumatic Humidity Sensor

Pneumatic Humidity Sensor; Type Replaceable Carriage; Operating Temperature 125 Deg F; Mounting Vertical/Horizontal Mount, Duct Sampling Chamber; Size 2 Inch Width x 1-5/8 Inch Depth x 3-1/4 Inch Height; Application Humidity Sensor; Pressure Rating 25 PSI (Maximum Safe Operating); Output Pressure Rating 3 to 15 PSI; Supply Pressure Rating 16 to 21 PSI; Sensor Range 15 to 85 Percent RH; Number of Pipes 2; Action Type Direct