Dräger X-AM 5000 Technical Manual page 44

Maintenance
If a fault occurred during the span
calibration.
−
The fault message »
and » « is displayed for the
sensor instead of the measured
value.
•
In this case, repeat the calibration.
If necessary, replace the sensor,
page 49.
−
If the gas CH (measurement range
4
up to 100 vol. %) is selected on the
CatEx channel, the heat conductivity
is calibrated, display with
channelselection:
•
Press the key to perform the
OK
calibration for heat conductivity.
•
Press the key to select the next
sensor.
•
Press the key to perform the
OK
calibration of the selected measuring
channel.
−
The test gas concentration is
displayed.
•
Press the key to confirm the test
OK
gas concentration or use the [ + ] key
to change the test gas concentration
and complete the process by
pressing the
OK
−
The measurement value flashes.
•
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.
−
Press the key to select the next sensor.
44
« appears
key.
ch
4
%LEL
CO
2
ppm
O
2
Vol%
CO
ppm
H S
2
ppm
NH
3
ppm
CH
4
VOL%
CO
2
ppm
O
2
Vol%
CO
ppm
H S
2
ppm
NH
3
ppm
O
2
VOL%
O
2
Vol%
CO
ppm
H S
2
ppm
NH
3
ppm