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The Vaisala CAROBAP® Hand-Held Carbon Dioxide Meter GM70, with optional sample pump, measures carbon dioxide accurately and is available for several measurement ranges between 0...2000 ppm and 0...20% CO2. GM70 can be used in various spot-checking applications, like laboratories, greenhouses and mushroom farms. GM70 can also be used in HVAC applications. The meter can be used also as a calibration check instrument for Vaisala's GM20 and GM220 Series fixed carbon dioxide instruments. The small, lightweight and durable GM70 is an ideal choice the demanding applications.

The GM70 incorporates the Vaisala CARBOCAP® Sensor which enables reliable and stable measurement. It has two optional sampling methods: The handle is for diffusion sampling. The pump enables pump-aspirated sampling from locations difficult to access otherwise.

The GM70 has a short warm-up time. The menu-based interface is easy to use and a graphical LCD display with data logger function provides an easy way to handle measurement data. A carrying case incorporates all the GM70 equipment and keeps the setup ready for immediate measurement.

Technical specifications:

Measurement range: Several options from 0...2000 ppm to 0...20 %

Accuracy: ± 0.02 %CO2 + 2 % of reading (GMP221) ± 20 ppm CO2 + 2 % of reading (GMP222)

Operating temperature: -20...+60 °C (-4...+140 °F)