Description
- Low cost portable meter checking indoor air quality. Big LCD displays CO2 ,temp. & humidity simultaneously. Designed with NDIR (non-dispersive infrared) waveguide technology CO2 sensor Manual calibration is recommended.
- Warning carbon dioxide level programmable. Backlight function for working in dark place. Long time drift compensation.
- Audible alarm (~80db)threshold setting. Max ,min, average functions included. PC output every 2 seconds for on line analysis.
- Hold function freezes current readings. Display 8 hrs TWA value (time-weighted average) or 15 minutes STEL value (short-term exposure limit).
- Housing design surrounds with rails to help air ventilation for quick and accurate response Easy to calibrate at fresh air around 380-420ppm.
Please see the pic for more detail Contact us at any time if have any questions.