Model AIR-CHECK IP65 CO2 sensor

Single wave length non-dispersive infrared gas sensor. No pumping of the gas is necessary.

Measuring range: 0-3000 ppm (CO2) 0-7000 ppm (by volume).

Accuracy : ± 3% of range.

Model LI-820

High resolution CO2 sensor.

Measuring range: 0-2000 ppm
(0-20.000 ppm optional).