CALIBRATION
ABC (Automatic Baseline Calibration)
The monitor is designed with high accuracy NDIR CO
2
sensor with ABC (Automatic Baseline Calibration) function
which establishes a baseline calibration to eliminate the
zero drift of the infrared sensor.
The ABC function is always “ON” when the meter is turned
on. ABC is designed to calibrate the meter at the minimum
CO
2
reading detected during 7.5 days continuous
monitoring (power on).
(e) Temperature unit (°C or °F) selection
Press
UNIT
button to toggle the temperature unit
(°C or°F) .
o
AIR
TEMP
HUMIDITY
o
AIR
TEMP
HUMIDITY
MAINTENANCE
Cleaning and storage:
1). The meter should be cleaned with a damp cloth and mild
detergent when necessary.
2). Store the meter in an area with moderate temperature
and humidity.
7