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Dokument
IMA 190
HFE507
Rev
5
Sid
38 (44)
The calibration part of the service menu.
7 CALb yes
Background calibration of the CO sensor and the CO
2
-sensor
with fresh air
. An easy way to correct the zero point error. The
sensor needs fresh air (380-420 ppm CO
2
). The calibration must be
confirmed by pressing Entr(+-). The CO
2
sensor is calibrated to 400
ppm CO
2
and the CO sensor to 0 ppm CO.
7a
Sure
yes
Confirm that a background calibration shall be done.
8 CAL yes
Zero point calibration
of the CO sensor and the CO
2
sensor. The
sensor needs zero gas. See the zero point calibration instruction.
The calibration must be confirmed by pressing Entr(+-).
8a
Sure
yes
Confirm that a zero point calibration shall be done.