Updated:2022-11-29
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The Vaisala CARBOCAP® hand-held CO2 tester GM70 measures the volume concentration of CO2 in ppm or %. It is suitable for field measurement under harsh environment in laboratory, greenhouse and mushroom room. The meter can also be used in HVAC and industrial applications, and as a tool to check stationary CO2 measuring meters. The optional GM70 pump enables access to pump suction sampling from inaccessible areas such as incubators and culture chambers.
Two sampling methods are available: diffusion or pumping
Digital and graphical display of measurement results
Data can be recorded and uploaded to a computer terminal equipped with MI70 Link software.
Multi-probe operation; Dew point and relative humidity probes can also be connected
Suitable for field inspection of fixed CO2 instruments
Short preheating time
Multiple measurement range options
Carbon dioxide concentration measurement |
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Measurement of carbon dioxide concentration Optional measurement range |
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GMP221 Probe |
0 ... 2 %, 0 ... 3 %, 0 ... 5 %, 0 ... 10%, 0 ... 20 % |
GMP222 Probe |
0 ... 2000 ppm, 0 ... 3000 ppm, 0 ... 5000 ppm, |
Measurement accuracy (including repeatability error, nonlinear error and calibration uncertainty) at temperature +25 °C (+77 °F) and pressure 1013 hPa |
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GMP221 |
± (1.5% range + 2% reading) |
GMP222 |
±(1.5 % range + 2% MWh) |
sensor |
VAISALA CARBOCAP® |
Working environment parameter |
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temperature |
-20 ... +60 °C(Suitable for probe) |
Relative humidity range |
0. .. 100 %RH non-condensing |
Atmospheric pressure |
700 ... 1300 hPa |
Velocity range (diffusion sampling) |
0 ... 10 m/s |
Pointer |
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Menu language |
English, French, Spanish, German, Swedish、 |
display device |
LCD display with backlight, can display any number of |
Probe input |
1 or 2 probes for measuring input |
Data recording capacity |
Can be recorded simultaneously |
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