LEYBOLD 250000V01, Руководство по эксплуатации

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Operation
GA10218_002_C0 - 10/2016 - © Leybold GmbH 71
Partial flow setup for the PHOENIX L300i MODUL
Sniffer factor
Main menu > Settings > Vacuum settings > Sniffer factor
The sniffer factor takes into account, after an internal calibration, an external partial
flow ratio, for example the Quicktest or a auxiliary pump with sniffer line connected
via T-peace to the leak detector.
During an internal calibration the internal sensitivity of the PHOENIX L300i is
calibrated. The calculated number is multiplied with the sniffer factor and the result
is the sniffer factor for this application.
Softkey 2:

The entry of the nominal pumping speed of the partial flow pump can be
decreased. The minimum pumping speed is 4m
3
/h.
Softkey 3: 
Decrease Quick-pump time. The quick-pump time defines whether and
how long valve V10 of the partial flow block is opened. (For detailed
descriptions please refer to the operating instructions “GA 10.277” of the
partial flow system.)
At T
Q
= 0 seconds valve V10 will not be open for the time being. This
selection is recommended for large volumes and dirty objects.
At T
Q
= endless valve V10 will open when pressing start. At an inlet pres-
sure p1 < 15 mbar the PHOENIX L300i switches to measurement mode
and display leak rates. This is recommended if it is acceptable to wait for
a while until measurement mode is reached and leak rate reading at high
inlet pressures are not needed.
With times between 0 and endless V10 is opened and the leak detector
tries to reach a inlet pressure of less than 15 mbar within this time T
Q
.
When T
Q
has gone by V10 is closed and the PHOENIX L300i switches to
measurement mode (Helium/Hydrogen comes through the orifice of the
partial flow valve block).
Softkey 4: Changing behavior of the valve V8 of the partial flow system
Closed: In partial flow mode valve V8 (see GA.10.277 partial flow system)
switches dependent on the inlet pressure
Open: Valve V8 stays open, even when the inlet pressure is low enough
Softkey 5: ?
Help text.
Softkey 6:

Increase the pumping speed of the partial flow pump. The entry of the
nominal pumping speed of the partial flow pump can be increased. The
maximum pumping speed is 80 m
3
/h. Default setting is 25 m
3
/h.
Softkey 7: 
Increase of the quick-pump time up to the maximum.
Partial flow setup PHOENIX
L300i MODUL
Sniffer factor