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56
3
46
1
P 1 - P 2
O n
46
2
L e a k R a t e
L e a k R a t e
909
d P / m i n .
-2
46
3
T e s t
Delta P
521
Set whether the differential pressure of two pressure
probes is to be shown on the display.
526
Calculating the differential pressure (P1-P2):
If one external pressure probe is connected, the diffe-
rential pressure is calculated from the internal pressu-
re sensor (P1) and external pressure probe (P2). If two
external pressure probes are connected, the internal
pressure sensor is deactivated. The differential pres-
sure is calculated from the external pressure probes.
4 Select On or Off with
the selection with
- If you select On: the differential pressure will be
shown on the display.
If you select Off: the differential pressure will not be
shown on the display.
Leakage rate
526
Set whether the leakage rate (p/hr. or p/min.) is to
be calculated and shown on the display. The leakage
rate is always calculated for just one channel. The
channel to be measured is selected automatically
according to the following rule:
- external probe before internal probe
- measuring channel 1 before measuring channel 2
4 Select p/hr. or p/min. with
confirm the selection with
Measurement starts and the pressure reading is dis-
played immediately. After about 10 sec. the first pres-
sure difference will be displayed and updated conti-
nuously. Measurement can be restarted at any time
by pressing the key
measurement.
Tightness test
526
The tightness test menu is used in order to analyse
the pressure loss of the vessel, pipes, lines etc.
The steps for performing the tightness test " The
tightness test menu is used in order to analyse the
pressure loss of the vessel, pipes, lines etc.
6. Menu functions
6.5 Device
or
and confirm
.
or
.
. Press
or
31
and
to end
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