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).
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