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Operation
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5
Operation
5.1
Turning the Pressure
Computer on and Self
Check
Fig. 11: Key pad with on/off-key
Fig. 12: Zeroing
ATTENTION!
Before the meter is used, a visual check must
ensure each and every time that all functions
work properly.
Turning on the meter: Press on/off-key (on the
right)
The Meter will automatically start with a 10 se-
cond self test and zeroing.
ATTENTION!
Do not connect any hose while the meter is per-
forming the self check and do not expose it to
any differential pressure, because the pressure
sensor will automatically be zeroed during the
self test.
5.2
Measuring
Fig. 13: Measuring mode
After that the meter will automatically switch to the
measuring mode.
Al readings (measured and computed values) will
be shown continuously in the readings segment.
The following functions can be selected from the
menu segment
"Menu" key: opens the main menu
Zoom: Turns the zoom-mode on and off (hold-
ing the button pressed).
Option „P
D
=0“: Differential pressure The pres-
sure sensor will be zeroed once again.