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Vaisala CARBOCAP Carbon Dioxide Module GMM111
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GMM111 is a compact carbon dioxide module with flow-through aspiration. It is ideal for light industrial OEM applications.
- Compact CO2 module with flow-through aspiration
- Ideal for light industrial OEM applications
- Incorporates Vaisala CARBOCAP®, the silicon based NDIR sensor with unique internal referencing
- Advanced single-beam, dual wavelength measurement with no moving parts
- Measurement range options 0 ... 5 %, 0 ... 10 % and 0 ... 20 % CO2
- Excellent long-term stability
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Performance
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CO2 measurement range |
0 … 5 %, 0 … 10 % or 0 … 20 % |
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Accuracy (including repeatability, non-linearity and calibration uncertainty) |
± (1.5 % of range + 3 % of reading) |
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Long-term stability |
± 1 % CO2 / 2 years |
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Response time T90 |
1 min at 0.5 l/min flow |
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Flow rate dependence |
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< 1l/min flow |
no effect |
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1 … 10 l/min flow |
4 % of reading / l / min |
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Temperature dependence, typical |
-0.3 % of reading/°C |
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Pressure dependence, typical |
+0.15 % of reading/hPa |
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Warm-up time |
1 min, 10 min for full specifications |
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Product lifetime |
> 10 years |
Operating environment
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Temperature |
+5 ... +55 °C |
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Humidity |
0 ... 99 % RH non-condensing |
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Pressure |
700 … 1200 hPa
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Gas flow |
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operating range |
<10 l/min |
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recommended range |
0.2 … 0.8 l/min |
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Electromagnetic compatibility |
EN61326-1, GenericEnvironment
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Inputs and outputs
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Outputs |
4 … 20 mA, 0 … 10 V |
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Operating voltage |
RS485, 2-wire, non-isolated |
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Power consumption
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24 V (±20 %) AC/DC
<2 W
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