IAQ monitoring and ventilation

Digital wall mountable / desktop type.
Visible and audible C02 warning alarm.
NDIR (Non-Dispersive Infrared) Waveguide Technology with ABC (Automatic Background Calibration)
TWA (8 Hour Weighted Average).
STEL (15 Minute Weighted Average).
Alarm output for ventilation control.
PC connect via RS232 interface.
Triple display of C02 level,
temperature and humidity.

CO2 range: 0-5000ppm
C02 accuracy: 30 ppm or 5% reading.
Temp. accuracy: 14 to 140F (-10 to 60C).
Temp. accuracy: 0.9F / 0.6C.
RH range: 0% to 85%.
RH accuracy: 3% (10 to 90%) 5% (others).
Dew point temp.:
-100 to 140F (-73.4 to 60C).
Wet bulb temp.:
8 to 140F (-13.3 to 60C).