Teledyne Gasurveyor 700, Руководство пользователя

Страница: 27 / 62

49391
Revision 3
27
Gasurveyor 700
USER MANUAL
6. After sampling is complete, there is a purge that removes any residual gas from the monitor
before the next barhole can be sampled.
Press
Purge
button to initiate the purge process.
Press
+
or
-
buttons to view the results of other barhole tests.
Note: Purging will continue until the gas reading is less than 2% LEL at which point a
10s count-down timer starts (as shown in
Figure 33: Barhole - Purge ).
Figure 33: Barhole - Purge
7. Once the purge is complete, the Barhole Testing main menu will be displayed with the next
available barhole number (as shown in Figure 30: Barhole - Screen 3 ).
To repeat (overwrite) a barhole test:
1. Navigate to the barhole test you wish to repeat using
+
and
-
buttons.
2. Press
Start
button to initiate the test.
3. An overwrite confirmation screen will appear (as shown in Figure 34: Barhole - Overwrite ).
Press
Yes
button to continue with the barhole test or
No
to return to previous screen.
Figure 34: Barhole - Overwrite
4. Continue with the barhole test as previously described.
4.2. Confined Space Monitor (CSM)
In this mode, the GS700 acts as a safety monitor for use when entering confined spaces which may
contain hazardous gas mixtures.
Note: In the CSM mode the pump runs continuously for safety reasons.