Inficon UL5000 - Hydro•S; Leak Rate Internal Test Leak

60 Description of the Menu
iina74e 06.fm technical handbook(1408)
6.6.1.4 HYDRO•S
Main Menu > Settings > Vacuum settings > HYDRO•S
Notice: This setting is only valid, if mass mode is set to „
4
He“. See Chapter 6.3.
You can always switch HYDRO•S on and off manually, even if automatic is enabled.
Notice: Switching HYDRO•S manually, deactivates the automatic until the next
measuring cycle (STOP/START).
6.6.1.5 Leak rate internal test leak
• Main Menu > Settings > Vacuum settings > Leak rate internal test leak
The value of the internal test leak can be set. See Chapter 4.2.2.7 Numerical Entries
for the description of the entry.
Softkey 7: enable
If HYDRO•S automatic is enabled, the UL5000 switches HYDRO•S on and
off at the following conditions:
HYDRO•S is switched on, if
• ZERO is off and
• p1<0,3mbar and
• Leak rate is between 2×10
-10
mbar l/s and 3×10
-10
mbar l/s and
• HYDRO•S was not switched on manually
The lower detecting limit for HYDRO•S is 1×10
-10
mbar l/s
Softkey 3: disable
HYDRO•S is disabled. Leak rate higher than 3×10
-10
mbar l/s
If HYDRO•S is disabled, it can not be switched on/off manually anytime.
Softkey 5: Automatic OFF
HYDRO•S can be switched on/off manually by Softkey 4 in display mode
(See Chapter 5.4.6)
Warning
Normally there is no reason to edit the leak rate of the internal test leak besides after
a change of the internal test leak. A wrong leak rate of the internal test leak will lead
to wrong leak rate readings!