Probe
CO
2
measuring ranges
GMP221
0 … 2 %
0 … 30 %
0 … 5 %
0 … 10 %
0 … 20 %
GMP222
0 … 2000 ppm
0 … 3000 ppm
0 … 5000 ppm
0 … 7000 ppm
0 … 10000 ppm
To obtain the best possible performance, it is recommended that the measurement range is chosen so that the actual
concentrations to be measured are roughly in the middle of the measuring range.
GM70PUMP for aspirated sampling
The GM70 aspiration pump consists of a pump and a measurement chamber for CO
2
measurements. GM70PUMP is
designed for checking of fixed CO
2
transmitters and for sampling from locations difficult to access. GM70PUMP is
connected to an MI70 indicator which displays the measurement result. The pump system is powered through the MI70
indicator.
Safety
The Vaisala CARBOCAP® Handheld Carbon Dioxide Meter GM70 delivered to you has been tested for safety and
approved as shipped from the factory. Note the following precaution:
CAUTION! Do not modify the unit or use it in ways not described in the documentation. Improper
modification or use may lead to safety hazards, equipment damage, failure to perform according to
specification, or decreased equipment lifetime.
ESD protection
Electrostatic Discharge (ESD) can damage electronic circuits. Vaisala products are adequately protected against ESD for
their intended use. However, it is possible to damage the product by delivering electrostatic discharges when touching,
removing, or inserting any objects in the equipment housing.
To avoid delivering high static voltages to the product:
Handle ESD‑sensitive components on a properly grounded and protected ESD workbench or by grounding
yourself to the equipment chassis with a wrist strap and a resistive connection cord.
If you are unable to take either precaution, touch a conductive part of the equipment chassis with your other hand
before touching ESD‑sensitive components.
Hold component boards by the edges and avoid touching component contacts.
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