Making Measurement - Dräger HFG 000 Series Technical Manual

Operation
Use an adapter piece for varying hose diameters if necessary (minimum internal
diameter: 3 mm).
4.14.2

Making measurement

Use a new pre-tube for each individual measurement with a pre-tube.
Requirements:
– The gas detector is switched on.
– The user is signed in with the corresponding user level.
– Warm-up phase 1 of the PID is complete.
– The pre-tube bracket and the dust and water filter are mounted on the pump
adapter.
To carry out a benzene/pre-tube measurement:
1. Select
Dräger CC-Vision PC software).
 A dialog for performing the fresh air calibration is displayed.
2. Carry out a fresh air calibration with an activated charcoal tube or skip this step
by pressing
3. When selecting the fresh air calibration:
4. Follow the directions of the wizard.
5. After a successful fresh air calibration, remove the activated charcoal tube.
6. The pre-tube selection is displayed.
7. Select the pre-tube.
If a benzene pre-tube is selected, the PID automatically switches to benzene.
8. Open the pre-tube, insert it in the pre-tube bracket (arrow marking in the
direction of the gas detector; see figure L on page 3) and confirm the dialog.
 The hose length selection is displayed.
9. Select the hose length or probe.
 The leak test starts.
10.Confirm the successful leak test.
 The start dialog for the measurement is displayed.
11. Place the probe or the end of the hose on the sampling location.
12.Select
 The hose is flushed, and the remaining flushing time is displayed.
To end the benzene/pre-tube measurement:
1. Select
 A dialog for removing the pre-tube appears.
2. Remove the pre-tube.
 A dialog for a further benzene/pre-tube measurement appears.
3. Select
4. Remove the pump adapter with the pre-tube bracket if necessary.
32
> Benzene / Pre-tube in measuring mode (if configured using the
.
to start the measurement.
The benzene/pre-tube measuring mode is displayed after the flushing time is
complete.
in benzene/pre-tube measuring mode and confirm the dialog.
to end the benzene/pre-tube measurement.
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Technical manual X-am® 3500/8000