Inficon ULTRATEST UL3000 Fab, Translation Of The Original Operating Instructions

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Function Touchscreen Control panel
Stop STOP button
Vent Press the STOP button
again and keep it pressed
for approx. 2 seconds.
(Prerequisite is the setting
“ventilation mode”
“manual”, see "Activate
vacuum ranges [
}
62]”.)
4.3.2.3 ZERO button
• To hide the "Background signal", see also "Definition of terms [ } 8]”.
• Can be operated via the touchscreen of the control panel.
• Using the ZERO button you can switch ZERO on and off. For further details see
"Set and use the function ZERO [
}
67]”.
Function Touchscreen Control panel
Background suppression ON ZERO button
Background suppression OFF Press the ZERO button again and
keep it pressed for approx. 2
seconds.
The actual measured leak rate is considered to be a background signal. Depending on
the selected variant of operation mode the background signal is hidden until the
display limit of the respective vacuum range is reached.
Display limits according to factory setting:
1×10
-1
mbar l/s in MASSIVE
1×10
-7
mbar l/s in GROSS
1×10
-10
mbar l/s in FINE
1×10
-12
mbar l/s in ULTRA
To switch off the function ZERO again, press the buttonZERO for about 2 seconds.
The function ZERO should be activated only if the leak rate signal is stable and no
leak is measured. See also "Set and use the function ZERO [
}
67]".
See also
2
Activate vacuum ranges [
}
62]