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HDU-M transmitters are designed for detecting and Controlling carbon dioxide concentration and temperature inside unheated places like parking halls. The transmitter information can be used for demand based ventilation control, for example. The transmitter can be connected to any system that supports Modbus RTU protocol by using the RS-485 connection. ML-SER tool is needed in commissioning for making the Modbus settings.
Technical data
Product number: 1135150 / 1135151
Range: 0…2000 ppm; -50...50 °C
Housing: IP54
Accuracy: typ. ±40 ppm +3 % from reading (ABCLogic™); ±0.5 °C
Options: relay
Supply: 24 Vac/dc (22…28 V) < 10 VA
Dimensions: 105 x 110 x 46 mm
Ambient temperature: -30...50 °C; 0...85 % RH (non cond.)
Output: 0…10 V < 2 mA
Product number: 1135150 / 1135151
Range: 0…2000 ppm; -50...50 °C
Housing: IP54
Accuracy: typ. ±40 ppm +3 % from reading (ABCLogic™); ±0.5 °C
Options: relay
Supply: 24 Vac/dc (22…28 V) < 10 VA
Dimensions: 105 x 110 x 46 mm
Ambient temperature: -30...50 °C; 0...85 % RH (non cond.)
Output: 0…10 V < 2 mA