Dräger X-am 5000 Serie Instrucciones De Uso página 46

en Operation
9 Open the test gas cylinder valve to let gas flow over the sensor with a
volume flow of 0.5 L/min.
The displayed, flashing measurement value changes to the value according
to the supplied test gas.
When the displayed measurement value is stable (after at least 120 seconds):
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 or wait for approx. 5 seconds to end the adjustment
b.
of this measuring channel.
The next measuring channel is displayed for adjustment if necessary.
After the adjustment of the last measuring channel, the instrument
changes to the measuring mode.
c. Close the test gas cylinder valve and remove the instrument from the
calibration cradle.
If a fault has occurred during the span adjustment:
The fault message »

respective sensor instead of the measured value.
In this case, repeat the adjustment.

Change the sensor if necessary.

Notice for the use in subsurface mining:
For the adjustment of the ex-channel to the measuring gas methane, the

display of the instrument must be set to a value of 5 % (relative) higher than
the test gas concentration.
Automatic fresh air adjustment in the charging cradle (CatEx sensor only):
Adjust the gas detector to fresh air, free of measured gases or other interfering
gases. If the function is selected, a fresh air adjustment of the CatEx sensor is
performed automatically as soon as the gas detector is inserted in the charging
cradle.
This function can be selected or disabled using the CC-Vision PC software.
No adjustment takes place if the warm-up is not yet complete:
Alarm LED is illuminated red.

The acoustic signal sounds twice followed by three short tones and the gas

detector switches off.
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