28 Technical manual | X-am® 3500/8000
Operation
2. Remove the pump adapter.
✓ The pump is flushed and the gas detector automatically switches to diffusion
mode.
4.11 Measurements with wizards
The gas detector has wizards for easily preparing the measurements and for
measurement displays optimised for the measurement.
There are wizards for the following applications:
– Confined space entry: for measuring with a probe/hose, e.g. In a container
– Leak search: for detecting gas leaks
– Benzene/pre-tube measurement: for using pre-tubes as a filter for the PID
While the wizard loads, the gas detector is in a special state.
The wizards are not supported if the gas detector does not have the required
material-specific properties for the gas to be measured, or if the gas detector is not
within the permissible temperature range (typically 0 to 40 °C for confined spaces
and benzene/pre-tube measurements).
4.12 Carrying out confined space entry measurements with
the wizard
During confined space entry measurements, the duration of the measurement (in
mm:ss) is displayed for a maximum of one hour in place of the time. Afterwards, the
time is displayed again. The measurement duration is restarted after each flow
alarm.
Requirements:
– The gas detector is switched on.
– The user is signed in with the corresponding user level.
To carry out a confined space entry measurement:
1. Sign in with the required user level, if necessary.
2. Select > Confined Space in measuring mode (if configured using the Dräger
CC-Vision PC software). Follow the directions of the wizard.
The hose length or probe selection is displayed.
3. Select the hose length / probe.
The leak test starts.
4. Confirm the successful leak test.
The start dialog for the measurement is displayed.
5. Place the probe or the hose on the sampling location.
6. Confirm the dialog to start the measurement.
The hose is flushed, and the remaining flushing time is displayed. If, during the
flushing time, an alarm threshold is or the permissible temperature range is
exceeded, the countdown is stopped, the alarm or message is displayed and the
special state is exited.
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