Measures carbon dioxide

The probe is intended for demanding industrial CO2 measurement applications, where stable, reliable and accurate performance is required, and where the amount of carbon dioxide reaches percentage levels.

Maria Uusimaa, product manager at Vaisala Controlled Environment, explains: "In fruit and vegetable transportation and storage applications, the probe controls and monitors the carbon dioxide that fruits and vegetables naturally emit to ensure it is kept at the right level for the fruit to stay fresh." 

The intelligent stand-alone probe provides both analog and digital outputs. The operating temperature ranges from -40 to +60°C, and the probe has IP65 classified housing. These features makes it suitable for a wide range of measurement applications, for example, in wash-down areas.

The GMP251 uses Vaisala's second-generation CARBOCAP technology incorporating the microglow light source technology.

"The Microglow chip is a silicon MEMS emitter infrared source, which improves the reliability and stability of the probes to a new level. We have replaced the traditional filament lamp- with this unique light source, which enables better accuracy, stability and prolonged lifetime," adds Uusimaa.