Dräger X-am 1100 Technical Handbook page 40

Maintenance
Press the key to carry out the
OK
on
calibration of the selected measuring
channel.
Enter the concentration of the test gas –
procedure similar to the enter password
procedure.
Complete the entry of the concentration
by pressing the
OK
on
Open the test gas cylinder valve to let test
gas flow over the sensor.
— The displayed, flashing measurement
value changes to the value according to
the supplied test gas.
When the displayed value has stabilized:
Press the key.
OK
on
— The display containing the current gas
concentration changes with the display
» OK «.
Press the key to exit the calibration.
OK
on
— The next measuring channel is offered for
calibration.
— After the last measuring channel has
been calibrated/adjusted, the device
switches to measuring mode.
Close the test gas cylinder valve and
remove the device from the calibration
cradle.
If a fault has occurred during the span
calibration.
— The fault message »
» « is displayed for the respective
sensor instead of the measured value
In this case, repeat the calibration.
If necessary, replace the sensor,
page 45.
40
key.
« appears and