HDK-RH transmitters are designed for detecting and controlling carbon dioxide concentration, temperature and humidity inside ventilation ducts. The transmitter information can be used for demand based ventilation control, for example.
Technical data
Product number: 1135054 / 1135055
Range: 0 ...2000 ppm CO2; 0...50 °C; 0…100 %rH
Mounting: with screws
Housing: IP 54
Accuracy: ±40 ppm +3% from reading; ± 0,5 °C; ±2 %rH
Time constant: < 2 min
Options: relay
Supply: 24 Vac/dc (22…28 V) < 2 W
Dimensions: 105 x 104 x 155 mm
Ambient temperature: 0...+50 °C
Output: 0...10 V, < 2 mA