Operation; Power On/Off - Extech Instruments CO230 User Manual

Wall-mount co2 monitor
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Keypad Description
SET
CAL/ESC
RESET
▲/DP WB
MXN/AVG/▼ Activates MIN, MAX, STEL, TWA functions

Operation

POWER ON/OFF

The meter is powered by a 12VDC adaptor.
Power the unit by plugging the AC adaptor into the meter and into an
AC source. The meter will switch ON with a short beep.
The LCD will perform a 30 second countdown and then displays the
current CO
concentration, air temperature, and relative humidity.
2
Meter ON/OFF power
Setup mode
Save settings
calibration with ▲/DP WB
CO
2
RH calibration with MXN/AVG/▼
Exit setup mode
Reset the meter and clear MAX/MIN readings
Terminate Calibration
Selects AIR, DP, or WBT temperature display
Selects units or increases value in calibration and setup
Select mode or decrease value in calibration and setup
4
CO230-en-GB_v1.0 1/16

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