INFICON Helium Leak Detector Modul1000 - Manual (Page 62)

6-21
Operation
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→
Reference measurement
In this menu, the reference measurement can be started.
Main menu
→
Settings
→
Vacuum settings
→
Commander Functions
→
In the menu item „Commander Functions“, all parameters of the commander function
can be configured.
→
Commander Timing
The individual process times can be set here.
The adjustment range is from 0.1 to 95 seconds
t_A evacuation time
Maximum time to achieve the set sample pressure "p_B evacuation pressure"
Default setting: 30 seconds
t_B zero delay
Time delay until ZEROING (if zero "enabled") or time in which I·ZERO is carried out
(if I·ZERO has been activated);
Default setting: 10 seconds
t_C filling time
Maximum time to achieve the filling pressure "p_C Filling pressure" in the unit under
test
Default setting: 30 seconds
t_D depressurising time
Maximum time to achieve the set depressurising pressure "p_B evacuation pres-
sure"
; factory setting: 30 seconds
t_E flooding time
Maximum time to achieve the set flooding pressure p_A gross leak test
; factory setting: 10 seconds
t_F readiness for measuring
Maximum time to achieve the Measuring mode
; factory setting: 10 seconds
t_G measuring time
Time, after which the leak rate signal has been balanced.
; factory setting: 10 seconds