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User's Manual

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Reference
Manual
00809-0100-4045,
Rev
01
Hardware
Installation
December
2015
Hardware Installation
9
Figure
2-3.
L
o
w
Side Pressure
Port
A
A. Low side pressure
port (
a
t
m
o
s
phe
r
ic
reference)
2.4.3
Turn
on device
Check
to
ensure
the
device and
battery
are
working properly.
1.
T
w
i
s
t
the
cover
c
o
un
t
e
rc
l
o
ck
wi
s
e
to
remove
it
.
2.
Slide
the
OFF/ON
switch
to
the
ON
position
to
in
it
i
a
t
e
the power
s
e
q
u
e
n
ce
.
Note
During the power
sequence,
the
dial
t
ests
full
range
of motion
and LED
flashes
amber.
3.
Once
the power
sequence ends, verify
the
LED
flashes
green.
Note
The LED
may display several colors; see Table
4-2 on
page
28 for
device
s
t
a
t
us
e
s
.
2.5
Impulse piping
considerations
2.5.1
B
es
t
p
r
a
c
t
ic
es
The
piping
be
t
w
ee
n
the
process and
the
device
must
a
cc
u
r
a
t
e
ly
transfer
the
pressure
t
o
ob
t
a
in
a
cc
u
ra
t
e
me
a
s
ur
e
m
e
n
t
s
.
There are
five
possible sources
of error:
leaks,
fri
c
t
i
o
n
lo
ss
(pa
r
t
i
cul
a
rl
y
if purging
is used),
trapped
gas
in
a
liquid line, liquid in
a gas
line,
and de
n
s
it
y
v
a
ri
a
t
i
o
ns
be
t
w
ee
n
t
h
e
l
e
g
s
.