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Product

Carbon Dioxide

Specification

Performance

CO2 measurement range 0 ... 2000 ppm, 0 ... 5000 ppm, 0...10000 ppm
Accuracy (including repeatability, non-linearity and calibration uncertainty) ± (2 % of range + 2 % of reading)
Long-term stability ±5% of range/5 years
Response time T90 1 min
Temperature  dependence, typical -0.35 % of reading / °C
Pressure dependence, typical +0.15 % of reading/ hPa
Warm-up time 1 min, 10 min for full specification
 

Product lifetime

> 10 years 

Operating environment

 

Temperature
Humidity
Pressure
Electromagnetic compatibility

-5 ... +45 °C (23 ... 113 °F)
0 ... 85 % RH
700 ... 1200 hPa
EN61326-1. 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

For complete specifications, please see the brochure or manual in "Documents".

Description

The Vaisala CARBOCAP® Carbon Dioxide Module GMM112 is a compact module for measuring ppm (parts per million) levels of carbon dioxide. The GMM112 module is designed for indoor use in demand controlled ventilation and other applications requiring carbon dioxide control.

  • Compact OEM module for demand-controlled ventilation and other CO2 measurement applications
  • Incorporates the Vaisala CARBOCAP® Sensor - the silicon-based NDIR sensor with unique internal referencing
  • Advanced, single-beam, dual wavelength measurement with no moving parts
  • Excellent long-term stability

http://www.vaisala.com/

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