38
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 composi-
tion is used, the specified concentra-
tion 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 ca-
libration cradle.
● Vent the test gas leaving the adapter into
a fume cupboard or into the open air (with
a hose connected to the second connec-
tor of the calibration cradle).
● Switch on the device and insert it into the
calibration cradle until it locks into place.
● Call the calibration menu, enter the
password and select the "1-button cali-
bration" function, page 16.
● Press the key to start the 1-button ca-
libration.
● Open the test gas cylinder valve to let test
gas flow over the sensor.
— The currently displayed measured values
start to flash.
The flashing stops after a static measu-
red value has been reached.
— The calibration is now carried out auto-
matically.
— The displayed measured values change
to the values according to the gas sup-
plied.
CAUTION
Do not inhale the test gas. Risk to health!
Observe the hazard warnings of the rele-
vant Safety Data Sheets.
02723854_01.eps
0,5 L/min
0
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