High concentration measurement for applications with strict requirements such as life science incubators and cold rooms.
The Vaisala CARBOCAP® GMP251 CO2 probe is an intelligent probe for high concentration CO2 measurement. The GMP251 is ideal for demanding applications that require stable and accurate CO2 concentration measurements, such as life science incubators, cold rooms, and the transport of fruits and vegetables, where excellent stability, reliability, and accuracy are essential. The operating temperature range is -40 to +60°C, and the measurement range is 0 to 20% CO2. The GMP251 CO2 probe belongs to the Indigo product series and can be connected to the Indigo 200 series transmitter for extended functionalities such as display and relay. It can also be used for spot checks when connected to the GM70 handheld CO2 meter. The GMP251 is the successor to the following discontinued models: GMM221, GMT221. Spare parts and accessories for the GMP221 CO2 probe are still available.
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【Features】 ■ Measurement range: 0–20% CO₂ ■ Intelligent probe with analog (V, mA) and digital (RS-485) outputs ■ Excellent long-term stability with proprietary second-generation CARBOCAP® technology ■ Wide operating temperature range: -40 to +60°C ■ IP65 compliant housing ■ Temperature/pressure compensation ■ Built-in internal temperature sensor for CO₂ compensation ■ Compensation for background gas (O₂) and humidity ■ Condensation prevention through sensor head heating *For more details, please feel free to contact us.
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Vaisala is a global leader in measurement instruments and intelligence for climate change mitigation. We provide our customers with equipment and data to improve resource efficiency, promote energy transition, and ensure safety and well-being for people and societies around the world. Based on nearly 90 years of accumulated technological innovation and expertise, we carry out all measurements and means for this planet with a team of over 2,500 experts. Vaisala's Series A shares are listed on the Nasdaq Helsinki Stock Exchange.
