Hydro•s 60, Leak rate internal test leak, Chapter – INFICON UL5000 Dry Helium Leak Detector User Manual
Page 60: Hydro•s, Warning
60
Description of the Menu
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6.6.1.4
HYDRO•S
>
>
>
Notice: This setting is only valid, if mass mode is set to „
4
He“. See Chapter
.
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
•
>
>
>
The value of the internal test leak can be set. See Chapter
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
)
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!