32 Technical manual | X-am® 3500/8000
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 > Benzene / Pre-tube in measuring mode (if configured using the
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 to start the measurement.
The hose is flushed, and the remaining flushing time is displayed.
The benzene/pre-tube measuring mode is displayed after the flushing time is
complete.
To end the benzene/pre-tube measurement:
1. Select in benzene/pre-tube measuring mode and confirm the dialog.
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 to end the benzene/pre-tube measurement.
4. Remove the pump adapter with the pre-tube bracket if necessary.
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