Humidity Transducer Power Required 10 to 35V DC Electrical Connections Screw Terminals Overall Length 11.59 in NEMA Rating NEMA 4X IP Rating IP66 Series RHP Output 4 to 20mA DC Relative Humidity Range 0 to 100 Percent Humidity Accuracy +/-2 Percent Probe Length 9 in Compensated Temperature Range -4 Degrees to 140 Degrees F Display Resolution 0.1 Percent/0.1 Degrees F/0.1 Degrees C Features Radiation Shield Option for Outdoor Installation in Direct Sunlight