Uni-T A37- CO2 meter

A37 is used to detect CO2 concentration in different environments. The LCD displays CO2 concentration, temperature, humidity, and date/time together. Air quality is indicated with emoticons. When CO2 concentration gets too high, audio and visual alarm will go off.
 

● Automatic baseline correction
● Audible and visual alarm
● Low battery indication

● Auto power off
● Backlight

Specifications:
Range
Carbon dioxide           400ppm~5000ppm
Temperature                   -10.0℃~50.0℃
Relative humidity          0%RH~99%RH

Resolution
Carbon dioxide    1ppm
Temperature        0.1℃
Relative humidity   1%RH

Accuracy  
  Carbon dioxide  :             ±(5%rdg + 50ppm) from 400ppm~2000ppm
(at ambient temperature and humidity)

Temperature:       Typical accuracy: ±1℃
Relative humidity:    Typical accuracy: ±5%RH (10%RH~90%RH) at 2