CO₂ Probe GMP251

 Vaisala CARBOCAP® Carbon Dioxide Probe GMP251
GMP251 with Indigo 200 host and mobile phone
MI70 indicator with GMP252 probe

CO₂ Probe GMP251

The Vaisala CARBOCAP® Carbon Dioxide Probe GMP251 is an intelligent, stand-alone, %-level probe for measuring CO2 in life science incubators, cold storages, fruit and vegetable transportation, and in all demanding applications where stable and accurate percentage-level CO2 measurements are needed. The operating temperature range is -40 … +60 °C and the measurement range is 0 … 20%CO2.

The GMP251 probe is part of the Indigo product family and can also be connected to the Indigo 200 Series transmitters to extend its features, for example, for a display or relays.

For spot-checking, the ideal choice is the Handheld CO2 Meter GM70.

The GMP251 replaces the following discontinued products: GMM221 and GMT221. Please note that spare parts and accessories for the GMP221 probe are still available and can be purchased in the Vaisala online store.

See the video below for an introduction.

Watch the video

Introduction to GMP251 and GMP252

Key Benefits

Easy to use and clean
The GMP251 is a all-in-one probe, which makes it easy and fast to install. The probe is resistant to dust and most chemicals, such as, H2O2 and alcohol-based cleaning agents. The probe's surface is smooth, which makes it easy to clean.
Reliable and accurate
With the wide operating temperature range, the GMP251 is suitable for a large number of applications. The probe provides accurate and stable measurements also in varying conditions.


How to measure CO2
Blog | Oct 24, 2018

Why Is Measuring CO2 Important?

Most of us know that CO₂ is a colorless, odorless gas that’s soluble in water and often seen as the bubbles in fizzy drinks. But it’s also a...
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