VS Series Helium Mass Spectrometer Leak Detectors
DRAFT 4/23/15
3-15
3.1.5 Units
❑ Press Units on the Set-Up screen and the Units screen appears (Figure 3-11).
Use this screen to configure the Leak Rate and Pressure Units used on the leak rate
bar graph.
Figure 3-11 Units
Leak Rate Units Switches the leak rate units between atm-cc/sec, mbar-l/sec,
Torr-l/sec, Pa-m
3
/sec., and Cubic-ft/yr.
Pressure Units Switches the test port pressure units between Torr, mbar, and Pa.
0 1 2 3 4 5 6 7 8 9 10
-
00
UNITS
0 1 2 3 4 5 6 7 8 9 10
-
0
LEAK RATE
TORR-L/SEC
PA-M3/SEC
CUBIC-FT/YR
ATM-CC/SEC
MBAR-L/SEC
PA-M3/SEC
PRESSURE
TORR
MBAR
PA
DONE
Press to select the
leak rate type.
Press to select the
pressure units.