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GMW115 Carbon Dioxide Transmitter for Demand-controlled Ventilation

A compact, wall-mounted transmitter for demand-controlled ventilation. The transmitter incorporates the CARBOCAP®, the silicon-based NDIR-sensor with unique internal referencing. It offers adavanced, single-beam, dual wavelength measurement with no moving parts. It is ideal for ventilation control in all types of occupied spaces.

Performance

 

CO2 measurement range
Accuracy (including repeatability, non-linearity and calibration uncertainty)
Long-term stability
Response time T90
Temperature  dependence, typical
Pressure dependence, typical
Warm-up time
Product lifetime

0 … 2000 ppm


± (2.5 % of range + 3 % of reading)
± 100 ppm CO2 / 5 years
1 min

-0.35 % of reading / °C
+0.15 % of reading/ hPa
1 min, 10 min for full specification
> 10 years

Operating environment

 

Temperature
Humidity
Pressure
Electromagnetic compatibility

-5 ... +45 °C (23 … 113 °F)
0 ... 85 % RH
700 … 1200 hPa
Complies with EMC standard EN61326-1:1997, +Am1:1998, Generic Environment

Inputs and outputs

 

Operating voltage
Power consumption
Outputs

24 V (±20 %) AC/DC
<2 W
4 … 20 mA, 0 … 10 V, RS-485, 2-wire, non-isolated

 

DATASHEET» GMW115.en.pdf (448kB)
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