Logo customization
Configurable output signal: 0/2...10V or 4...20mA
Modbus RTU
P/PI control
Search products by name
CO2 transmitter with HDH display
Produal HDH
HDH transmitters are designed to detect and monitor indoor CO₂, temperature, and humidity. The CO₂ sensor self-calibrates regularly using the ABCLogic™ function, eliminating the possibility of long-term mismatches.
Measurement/s
CO₂, Temperature and humidity (-RH models)
Communication
Modbus RTU (Models -M)
Measuring range
0...2000 ppm 0...50 °C
Accuracy / Resolution
type. ±40 ppm +3% of value ±0.5°C
Power supply
24 Vca/cc (22...28 V), < 2 VA
Output signal
0...10 Vcc, 2 mA
Control signal
P/PI via configuration with ML-SER
Environmental protection
IP20
Temperature
0...50 °C
Ambient humidity
0...85 %rH
Dimensions
87 x 86 x 30 mm
HDH-N
Room transmitter with display
HDH-RH
CO₂, °C and %rH room transmitter
HDH-RH-N
Room transmitter with display
-M
Modbus communication
CE certificate
Contact us
Do you need further information? Do you have any questions?
Tell us what you need, and we'll help you as soon as possible.