Advanced environmental assessment (respiratory disease environment、 sleep environment)
Relative intensity value display of ambient odor
Display of environmental odor level
Suitable for measurement before and after purification
Data memory and read function
Auto data logger function
Test air exchange efficiency of air conditioning equipment

CO 2 : 0 ~ 6,000 ppm range, Diffusion sampling mode.
Three LCD Display for CO 2 , %RH Humidity and Air Temperature.
Maintenance free dual wavelength NDIR infrared CO 2 sensor (non-dispersive infrared).
Continuous or manual data logging (20,000 sets).
Data hold & Maximum / Minimum with Time stamp.
Data Memory and READ function.
Alarm and Time setting.
RS-232 function / Software.
Backlight display function.
Simple and safe to use.

CO : 0 ~ 999 ppm range.
MAX Hold with Time stamp.
Alarm level setting.
Replaceable sensor extends meter life.
Stabilized electrochemical CO sensor.