Carrying Out Bump Tests With The Wizard; Calibrate The Gas Detector - Dräger HFG 000 Serie Instrucciones De Uso

5.3.1 Carrying out bump tests with the
wizard
WARNING
Incorrect alarm behaviour!
A closed gas path causes incorrect measured values.
This may cause alarms to be triggered incorrectly.
► Never close the outlet of the calibration adapter.
Dräger recommends a test gas concentration of
<60 %LEL for CatEx sensors and a measuring range of
0 % to 100 %LEL.
For bump tests with the wizard and the X-dock, the
results are saved in the device memory.
Requirements:
– A bump test can only be carried out if at least one
sensor has been configured for the bump test with
the Dräger CC-Vision PC software.
– The gas detector is switched on and warm-up phase
1 is complete.
– The thread port for the pump adapter and calibration
adapter must be clean.
– A suitable test gas cylinder is available, e.g. a test
gas cylinder (order number 68 11 130) with the
following mixed gas ratios: 50 ppm CO, 15 ppm
H S, 2,5 vol. % CH4, 18 vol. % O
2
Other test gas cylinder can be added upon request.
To perform a bump test:
1. Mount the calibration adapter to the gas detector.
Make sure that both guide pins are in the correct
grooves.
Instructions for use | X-am® 3500
2. Connect the hose to the test gas cylinder and the
3. If needed, connect a second hose (max. length:
4. Open the bump test (depending on the
5. Open the valve on the test gas cylinder, the volume
6. Select
7. The bump test is complete when all measuring
2
8. Close the valves on the test gas cylinder.
9. Remove the calibration adapter.
If there was an error during the bump test:
1. An error is displayed for the measuring channel.
!
2. Repeat the bump test.
3. If necessary, replace the sensor.
For more details, refer to the technical manual.

5.4 Calibrate the gas detector

Incorrect measured values!
An incorrect calibration may prevent alarms from
triggering, or alarms may trigger late.
► Do not close the outlet of the calibration adapter /
► Always carry out the fresh air / zero adjustment
inlet on the calibration adapter.
2 m) to the outlet on the calibration adapter to direct
the test gas to an exhaust or outside. Make sure that
these is sufficient ventilation in room or vehicles.
configuration).
a. Select > Maintenance > Bump test (if
configured using the Dräger CC-Vision PC
software).
b. > Login
Enter and confirm the password.
Select Maintenance > Bump test.
flow must be 0.5 /min and the gas concentration
must be higher (lower with oxygen) than the alarm
threshold concentration that is to be tested.
to start the bump test.
 All measuring channels which are included in the
bump test flash, and all others are greyed out.
When a measuring channel successfully passes
the test, appears.
channels included in the test successfully passed or
failed the test.
● Select and then confirm the dialog to discard
the result.
● Select to confirm the result.
WARNING
exhaust gas hose.
before the span calibration.
|
Maintenance en
35