Chapter 4 – Functions of the instrument
UM-18400E-U ATEQ F580 User manual Page 112/168
t) Peak measurement
The peak measurement mode is used to measure a part dynamically. The instrument
measures the leak, which can change at a given moment during the test. The
instrument stores the greatest pressure drop (∆P/∆t) and then displays it at the end of
the test.
This function is important in circumstances where the test part changes during the test
cycle. The system checks the part for leaks in ∆P/∆t throughout the change and the
leak is measured continuously. At the end of the test cycle, the instrument has stored
the maximum instantaneous leak (the greatest leak) recorded during the test and
displays the result.
LEAK ∆P/∆t
MAXIMAL
VALUE
MEASURED
0
TIME
Note: Peak measurement mode only works in
∆
P/
∆
t and excludes the use of ATR
mode.
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