Adjusting The Sensitivity For An Individual Measuring Channel - Dräger X-am 5600 Gebrauchsanweisung

Dräger recommends using the extended bump test for cross adjustments
(Dräger X-dock technical manual).
6.10.1 Carrying out the fresh air adjustment
Adjust the instrument to fresh air, free of measured gases or other interfering
gases. During the fresh air adjustment, the zero point of all sensors (with the
exception of the DrägerSensor XXS O
DrägerSensor XXS O
XXS CO to 0.03 vol. %.
2
The fresh air adjustment/zero adjustment is not supported by the
DrägerSensor XXS O
can be carried out using the Dräger CC Vision software. A suitable zero gas
free from ozone (e.g. N
1. Switch on instrument.
Press the [ + ] key 3 times, the symbol for fresh air adjustment »
2.
appears.
3. Press the [OK] key to start the fresh air adjustment function.
The measured values flash.

When the measured values have stabilized:
Press the [OK] key to perform the adjustment.
a.
The display containing the current gas concentration changes with the
display » OK «.
Press the [OK] key to exit the adjustment function or wait for approx.
b.
5 seconds.
If a fault has occurred during the fresh air adjustment:
The fault message »
a.
respective sensor instead of the measured value.
b. In this case, repeat the fresh air adjustment. If necessary, have the
sensor replaced by qualified personnel.
6.10.2

Adjusting the sensitivity for an individual measuring channel

The span adjustment can be carried out selectively for individual sensors.

In the case of the span adjustment, the sensitivity of the selected sensor is

set to the value of the test gas used.
Use a standard test gas.

, the display is set to 20.9 vol. % and with DrägerSensor
2
. A zero-point calibration/adjustment of this sensor
3
) must be used.
2
« appears and »
and XXS CO2) is set to 0. With the
2
Operation
« is displayed for the
en
«
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