Vaisala GM70 Handheld CO₂ Meter


  • Two optional sampling methods: diffusion or pump aspiration.
  • User-friendly meter with multilingual user interface.
  • Numerical and graphical display of measurements.
  • Data can be logged and transferred to PC via MI70 Link software.
  • Multiprobe operation: Vaisala’s relative humidity and dew point probes can be used simultaneously with CO2 measurement.

Dpstar is a leading supplier of environmental measurement sensors for temperature, relative humidity, pressure, dew point, CO2, and other environmental condition monitoring for industrial process application and research. Since the ’90s, we earned a reputation as a trusted partner to our clients through our commitment and dedication. We are an authorized distributor and supplier of measuring sensors solutions from renowned manufacturers Vaisala. Vaisala is a global leader in environmental and industrial measurement. Building on 80 years of experience, Vaisala provides observations for a better world. Vaisala is a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services.

The Vaisala CARBOCAP Hand-held Carbon Dioxide Meter GM70 measures the volume concentration of CO2 in the units of ppm or %. It is a user-friendly meter for demanding spot measurements in laboratories, greenhouses, mushroom farms, and for ensuring CO2 safety during soft drink bottling processes. The measurement accuracy is not affected by dust, water vapor, or most chemicals. The meter can also be used in HVAC and industrial applications, and as a tool for checking Vaisala’s fixed CO2 instruments. Also, the GMW90  can also be adjusted by using the GM70 meter. The optional GM70 pump enables pump-aspirated sampling from difficult to access areas, such as incubators and chambers. Two sampling methods are available: the handle is for handheld diffusion sampling and the GM70 pump enables pump-aspirated sampling from locations difficult to access otherwise. The handheld meter has two probe inputs; Vaisala’s relative humidity and dew point probes can also be used simultaneously with the CO2 measurement. The GM70 has a short warm-up time and is ready for use almost immediately. It has a menu-based interface, a graphical LCD display, and data logging capability.

The optional MI70 Link Windows software in combination with a USB connection cable is used to transfer logged data and real time measurement data from the GM70 to a PC.

Download free MI70 Link Windows® software here.


Key Benefits


The GM70 has a numerical and a graphical display for easy viewing of the data with a logging capability. The user interface is available in nine languages.

Wide Measurement Ranges

The GM70 allows you to choose the measuring range that best suits your application.

Easy Sampling

The GM70 incorporates two sampling methods: the handle is for hand-held diffusion sampling and the pump enables pump-aspirated sampling from locations difficult to access by other means.


Vaisala GM70 Handheld CO₂ Meter_DpstarGroup


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