RHT4nl RH/Precision Air Temp Sensors (10k thermistor). Fitted with 2m cable. Both mounted in same solar radiation shield. RH accuracy +/- 2% RH, 5 to 95%. Precision Thermistor Temp Sensor accuracy (+/-0.2 deg C, -30 to 70 deg C). Temperature output non-linear. Supported for use with GP1 Data Logger only.