KANOMAX 2211 Handheld IAQ Monitor - Manual (Page 43)

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8. Calibrating CO/CO
2
Sensor
8.1 Preparation
Please turn on the main unit to fully warm up (about 10 minutes) before calibration.
In general, calibrate in order of ZERO gas prior to Span gas (The calibration of only either ZERO gas or
Span gas is possible).
Valve
Close Open
Turn to Turn to
The back the front
① Please check the valve of
regulator is closed
② Attach the regulator to
ZERO Gas tank.
③ Connect regulator to calibration cap by the
tube. Connect firmly so that gas does not leak.
④ Insert the calibration cap into probe.
Insert firmly so that gas does not leak.