60
│ 6 Maintenance
6.4.7.5 Testing the zero point
An application is selected for the device inspection.
1. Select
Zero point
.
The following message appears:
Use clean air!
2. Wait while the following message is visible:
Use clean air!
Process ongoing …
3. When the zero point test is complete, the result will appear.
The device switches back one menu level.
6.4.7.6 Test the indication accuracy (standard device inspection)
The
Warning
,
Measuring
or
Structure
application is select-
ed for the device inspection.
1. Select
Indication accuracy
.
2. Select a test gas from the list.
3. If the following message appears:
Add test gas!
●
Add the test gas.
To do so, connect the test gas hose of the
SPE AutoFlow
to the gas input of the device.
4. Wait while the following message is visible:
Add more test
gas! Process ongoing …
5. If the following message appears:
Stop test gas!
●
Disconnect the test gas hose from the gas inlet.
6. When the indication accuracy test is complete, an overview
of the gases tested will appear.
The device returns to the test gas selection.
7. If necessary:
●
Repeat the indication accuracy test for other gases.
8. Press the Menu key. The device switches back one menu
level.