6 | Operation INFICON
70 / 108 XL3000flex-Operating-instructions-jina83en1-07-(2105)
– Generally select signal filter I-Filter for the operation mode "Sniff".
– If the signal filter should simulate the time behavior of older units, then select filter
"Fixed" or "2-Zone".
I•CAL The leak rates are averaged at time intervals that are optimized
for the range of the leak rates. The algorithm used offers
excellent sensitivity and response time. Use of this setting is
strongly recommended.
fixed The leak rates are averaged at fixed intervals of 0.2 seconds.
2-zone The filter is compatible with LDS1000 and LDS2000. The
averaging period is switched depending on the filter leak rate
threshold.
I-Filter Filter optimized for sniffer mode.
(Default with XL Sniffer Adapter set)
I-Filter slope
suppress.
Same as I-Filter, but with additional slope suppression. The
edge suppression corrects the measurement changes during
the warm-up phase.
Control unit Main Menu > Settings > ZERO/Filter > Filter > Filter mode
LD protocol Command 402
ASCII protocol Command *CONFig:FILTER
Setting the filter leak
rate threshold
Leak rate background in mbar l / s for the averaging period. The averaging period is
10.24 s below this value. Above this value, the averaging period is 160 ms. Setting
applies only to filter "2-stage".
1E-11 ... 9.9E-3
Control unit Main Menu > Settings > ZERO/Filter > Settings > Filter 2-zone
LD protocol Command 403
ASCII protocol Command *CONFig:LRFilter
Setting filter ZERO
time
Update interval for the offset value with negative leak rate signal (except for I•CAL
filter).
Resolution 0.1 s (50 = 5.0 s)
Control unit Main Menu > Settings > ZERO/Filter > Settings filter > ZERO
time
LD protocol Command 411
ASCII protocol Command *CONFig:ZEROTIME
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