INFICON UL1000 Helium leak detector - Manual (Page 65)

Description of the Menu
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6.4.6.3 Setpoint
The tone is off as long as the leak rate is below the Trigger level 1. Above Trigger 1
the tone varies proportional to the leak rate
Fig. 6-11 .
6.4.6.4 Trigger alarm
As soon as the leak rate increases above trigger level 1, a multi-tone signal is
generated. The tone does not vary with the leak rate.
6.5 Calibration
• Main Menu > Calibration
Please refer to Chapter 7 Calibration for a detailed description of the calibration.
Fig. 6-11: Setpoint
f
LR Tr. 1
no tone
375 Hz -
1000 • TR.1
3000 Hz -
Fig. 6-12: The Calibration Menu