SICK PAC50 Betriebsanleitung Seite 71

Operating Instructions
4.3 Functional principle of PAC50 LT (PAC50-FGG) for leakage
4.3.1 Basic description of the variant
The PAC50 LT Leakage Tester (PAC50-FGG) has the same scope of functions as variant PAC50-FGF as well as
an additional integrated function
system for leakages. The 10-Link functionality
By setting two (pressure) thresholds p1and
tested whether a closed compressed
The measurement can be started
QI acts as a switching input rather than a switching output.
If the pressure in the system drops, and the upper threshold p1 is passed, the measurement of the time it
takes for either the lower threshold
(tout) t o be reached is started. Either the measured time value dT or the pressure drop dP (depending on the
presetting) is then transmitted
displayed alternately with the leakage rate QL in the bottom
passed, the color of the display changes to red to indicate
8017612/1DZP / 2022-06-231 PAC50
Subject to change without notice
Product description
for testing a closed compressed
is not available
as well as a desired measurement duration t
air system or a closed section
by pressing a button or via a control
to be passed or for the end of the desired measurement
via the analog output of the sensor. After the measurement,
measurement
air system or a section
with this variant.
of such a system has a leakage.
(input signal at QI). In this case,
line of the display. When the lower threshold
a leakage.
Operating Instructions
PAC50
of a compressed air
it can be
out'
duration
both values are
is
I SICK 71