Relative Humidity and Temperature Transmitters RHT-WM and RHT-DM with 4-20mA or 0-10vDC outputs for temperature and humidity Wall or duct mounting – insertion lengths 150 or 250mm. Using the digital communication interface, the transmitter parameters can be configured to tailor a particular application. The RHT-WM model is intended for wall mounting. The RHT-DM comes with a probe tip for duct mounting. Available with programmable ranges from -40 to +120°C (Wall-mounted units, -10 to 65°C) and 0-100% RH. Electronics module limited to -10 to 65°C
Loop powered 4-20mA or 20-4mA outputs.
Voltage outputs 0-10vDC (optional).
Power supply: 12 to 30vDC (4-20mA output) or 18 to 30vDC (0-10V output).
Channel isolation: the 4-20mA outputs are isolated from each other. The 0-10V outputs share a common ground.
Reverse polarity protection: YES.
Cable entrance: compress fitting PG7.
Operating limits:
Sensor probe (RHT-DM): -20 to 80°C, 0 to 100%RH.
Electronic circuit: -10 to +65°C, 0 to 95%RH.
RH channel:
Accuracy: ±1,5 %RH @ 25 °C, from 20 to 80%RH.
Repeatability: ±1%RH.
Hysteresis: ±1%RH.
Span: any value between 0 and 100% RH or –40 to 100°C for dew point.
Temperature channel:
Accuracy: ±0.5°C @ 25°C. Maximum ±2 °C from -40 to 80°C.
Repeatability: ±0.1°C.
Span: between -40 and 120°C.
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