Calibration Or Service - SEFRAM 9893 Mode D'emploi

compartment.
(3) Replace with four new AA batteries,
observing proper polarity as depicted
on the bottom of the battery
compartment.
(4) Close the battery door and tighten the
screw to lock it in place.

4.11 Calibration or Service

The meter should be calibrated once a
year by an authorized service center.
During normal use, the meter does not
require adjustment. Any required
adjustments are made at calibration. To
replace the sensor, contact an authorized
service center.
Carbon Monoxide Meter
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