Leak Rate Ranging - Agilent Technologies VS Series Operation Manual

VS Series Helium Mass Spectrometer Leak Detectors

2.2.4.4 Leak Rate Ranging

Press Leak Rate Ranging on the Menus screen.
❑
The Leak Rate Ranging screen appears (Figure 2-12). Use it to setup and enable the
Range Stop and Manual Range functions and to enable the High Pressure Test mode.
Toggles these
options on/off.
Toggles these
options on/off.
High Pressure Test
0 1 2 3 4
LEAK RATE RANGING
RANGE STOP
✔
09
10-
✕
HIGH PRESSURE TEST
✔
✕
Figure 2-12 Leak Rate Ranging
Press the High Pressure Test blue check to enable High Pressure
Test mode. The High Pressure Test LED illuminates when High
Pressure Test mode is enabled and High Pressure Test appears on
the Home screen. When High Pressure Test is selected, Range Stop
defaults to 10
range is 10
When the leak detector is in Vent mode:
❑
Turn the High Pressure Test feature on to start the test cycle.
This automatically locks the leak detector into
Contra-Flow™ Leak mode, and auto-ranges through all
decades down to the most sensitive Contra-Flow range.
When the leak detector is in Test mode:
❑
Turn the High Pressure Test feature on to perform the same
function, with the exception of performing the test cycle
start sequence.
5 6 7 8 9
MANUAL RANGE
✔
10-
✕
-7
atm cc/sec. High Pressure Test sensitivity mode
-4 -8
to 10 atm cc/sec.
10
Press the desired
10
value to access
its keypad
DONE
DONE
2-25