HK Instruments RHT Duct-A-D Humidity transmitters with temperature output for duct (-30...80°C; 0–100 %rH; mA output)

Measurement ranges:

+ Temperature: -30...80 °C, sensor

+ Relative humidity: 0–100 %

Accuracy: 

+ Temperature: <0.5 °C 

+ Relative humidity: ±2…3 % rH at 0…50 °C and 10…90 % rH 

+ Total error band includes accuracy, hysteresis and temperature effect over 5...50 °C and 10–90 % rH 

Measuring units: °C, % rH

Measurement elements: NTC10k temperature sensor, thermoset polymer capacitive sensing element for humidity

Supply voltage: 24 VDC/VAC ±10 %

Output signal 1: 0/2…5/10 V (relative humidity (default), temperature, dew point, mixing ratio, enthalpy, absolute humidity)

Output signal 2: 0/2…5/10 V (temperature (default), relative humidity, dew point, mixing ratio, enthalpy, absolute humidity)

Optional output signal 3: 4...20 mA (relative humidity (default), temperature, dew point, mixing ratio, enthalpy, absolute humidity)

Optional output signal 4: 4...20 mA (temperature (default), relative humidity, dew point, mixing ratio, enthalpy, absolute humidity)

Operating temperature: 0...+50 °C

Protection standard: IP54