47
Maintenance
The display containing the current
gas concentration changes with the
display »OK«.
Press the key to confirm the
calibration or wait for approx. 5
seconds.
If a fault occurred during the fresh air
calibration.
The fault message » « appears
and » « is displayed for the
respective sensor instead of the
measured value.
In this case, repeat the fresh air
calibration.
If necessary, replace the sensor,
page 59.
NOTICE
Automatic surrogate calibration
If the corresponding gas combination and the sensor are approved to do so,
an
automatic surrogate calibration and tests can be performed using the PC software
Dräger CC-Vision
1)
.
A gas for the bump test, for the adjustment and the measured gas can be set in the
gas change wizard in Dräger CC-Vision.
Conversions are performed automatically and no longer need to be made manually.
The settings are also used by the Dräger X-dock.
1) The PC software Dräger CC Vision can be downloaded from the following web address free of charge:
www.draeger.com/software
03223999_01_en.eps
ch
4
%LEL
O
2
Vol%
CO
ppm
H
2
S
ppm
NH
3
ppm
03323999_01_en.eps
ch
4
%LEL
O
2
Vol%
CO
ppm
H
2
S
ppm
NH
3
ppm
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