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 CO2 levels in 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. You can adjust the GMW90 using the GM70. An optional pump allows sampling from tricky spots like incubators. It has two sampling methods: diffusion and pump-assisted. Two probe inputs allow simultaneous use of humidity and dew point probes. It has a menu-based interface, a graphical LCD display, and data logging capability.

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

Download free MI70 Link Windows® software here.


Key Benefits


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

Easy Sampling

The Vaisala 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