37
Maintenance
Carry out the 1-button calibration
— All the sensors which can be calibrated
are included in the 1-button calibration.
The sensors which have not warmed up
or which are faulty are not included.
— In the case of the 1-button calibration, the
sensitivity of all sensors is set to the value
of the test gas.
When using the test gas cylinder
68 11 130 = mixed gas with 50 ppm CO,
15 ppm H
2
S, 2.5 vol. % CH
4
, 18 vol. %
O
2
.
— If a mixed gas with another composition
is used, the specified concentration
values in the device must be changed
to the target values of the used mixed
gas using the PC software "Dräger CC
Vision".
● Connect the test gas cylinder with the
calibration cradle.
● Vent the test gas leaving the adapter into
a fume cupboard or into the open air (with
a hose connected to the second
connector of the calibration cradle).
● Switch on the device and insert it into the
calibration cradle.
● Call the calibration menu, enter the
password and select the "1-button
calibration" function, page 16.
● Press the key to start the 1-button
calibration.
ATTENTION:
Test gas must not be inhaled. Risk to
health!
Observe the hazard warnings of the
relevant Safety Data Sheets.
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