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5-11.Measuring
Pressure
The
Primary Display number
is
Pressure
value,
the
device measures Gauge/Differential
Pressure
5000Pa,
it
features 5 selectable units
of
measure:
PSI,
mbar,
Pa,
inH
2
0,
mmH
2
0.
•
Press
•PN/F"
to
enter
the
pressure mode and press
"Unit
T"
to
select unit.
•Connect a single
hose
to
the
"Input ( +
}"
port, leaving
the
"Ref
(-}"
port
unconnected.
•With
the
tubing
open
to
ambient
conditions
press and
hold
"Hold/Zero"
for
2
seconds
to
zeroout
the
display.
•
Place
the
input
hose in a different zone
than
the
Meter.
•The
Meterdisplays
the
differential
pressure
of
the
input
zone
with
respect
to
the
reference zone. For instance, a positive reading means
that
the
input
zone
is
positively pressured
with
respect
to
the
Meter location
or
its reference zone.
""'
-
lllB~
83
inPut(+)
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