RH100S05I20F

S/S Surface Humidity Transmitter, 5%, 4-20mA output, 1801, NTC Thermistor, ?0.2?C https://downloads.greystoneenergy.com/Submittals/PS-RH100SXXX.pdf https://downloads.greystoneenergy.com/Install%20Notes/IN-GE-RH100SXXX.pdf