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HK Instruments - Model RHT -Wall Mounted Humidity Transmitters
FromProdual UK Ltd.
Humidity transmitters for building automation systems. RHT relative humidity transmitters are engineered for building automation systems in the HVAC/R industry. The RHT measures relative humidity (rH), and temperature (T). RHT devices are available with large touchscreen display making configuration of the device quick and easy.
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RHT devices include:
- Separate field configurable output for each measurement parameter (rH and T)
- Proportional output options including: voltage (0–10 V, 2–10 V) and current (4–20 mA)
- Optional relay output and Modbus communication
- Accurary: Temperature:
- Measuring units: °C, % rH
- Measurement elements: Pt1000 temperature sensor, thermoset polymer capacitive sensing element for humidity
- Supply voltage: 24 VDC/VAC ±10 %
- Current consumption: max 90 mA (at 24 V) + 10 mA for each voltage output or 20 mA for each current output
- Output signal 1: 0/2…10 V (linear to rH), L min 1 kΩ or 4…20 mA (linear to rH), L max 500 Ω
- Output signal 2: 0/2…10 V (linear to Temp), L min 1k Ω or 4…20 mA (linear to Temp), L max 500 Ω
- Optional relay output: Potential free SPDT 250 VAC, 6 A / 30 VDC, 6 A with adjustable switching point and hysteresis
- Operating temperature: 0...+50 °C
- Protection standard: IP20