The Vaisala CARBOCAP® Carbon Dioxide Probe GMP252 is an intelligent, stand-alone probe for measuring CO2 in agriculture, refrigeration, greenhouses and demanding HVAC applications. It is suitable for harsh and humid CO2 measurement environments where stable and accurate ppm-level CO2 measurements are needed.
The GMP252 is based on Vaisala’s unique, second-generation CARBOCAP® technology that enables exceptional stability. A new type of infrared (IR) light source is used instead of the traditional incandescent light bulb, which extends the lifetime of the GMP252.
The GMP252*) probe can be connected to the Indigo 201 host device to extend its features, for example, for a display or relays. Read more about it on the
Indigo 201 product page.
The warranty for the GMP252 is 24 months.• Measurement range
0 … 10 000 ppmCO2• Can be used for measurement even up to 30 000 ppmCO2 with reduced accuracy• Intelligent, stand-alone probe with analog (V, mA) and digital outputs (RS485 with Vaisala protocol or Modbus)• Superior long-term stability with the 2nd-gen proprietary CARBOCAP® technology• Wide operating temperature range -40 … +60 °C• IP65 classified housing• Full temperature and pressure compensations• Integrated temperature measurement for CO2 compensation purposes• Compensations for background gases: O2, and humidity• Sensor head heated to prevent condensation
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