Nondispersive infrared (NDIR) technology measures CO2 levels in ppm. May be used as a hand held portable (internal, rechargeable battery) or wall-mounted for continuous recording and data logging with a Watch Dog Data Logger (one CO2 meter per logger).
Includes 6-volt DC transformer. Range: 0-4,000 ppm. Accuracy: +/- 5% of reading or 50 ppm, whichever is greater.
For connection with Watch Dog Weather Stations