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User's Manual

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Operation and
Maintenance
December
2015
Reference
Manual
00809-0100-4045,
Rev
01
26
Operation and Maintenance
4.3.3
Sensor
trim
When
performing
a sensor
trim,
both
t
h
e
upper
and
lower limits
can be
trimmed. If bo
th
upper
and
lower trims
are
to
be
performed, the lower trim must
be done
before the upper
tr
im
.
Note
Use a pressure
input
source
a
t
le
a
s
t
four
ti
me
s
more
acc
u
ra
t
e
than the
device, and
allow
the
input
pressure
to
stabilize
for 10
seconds before e
n
t
e
r
i
n
g
any
values.
From
t
h
e
HOME screen,
e
n
t
e
r
the
Fast Key
s
e
que
n
ce
Fa
s
t
Keys
2, 2, 1, 1, 1
1.
Assemble and
power the entire calibration
system
including the
gauge,
F
i
e
l
d
C
o
mm
uni
ca
t
o
r
or
AMS Device Manager,
power
supply, pressure
input
source,
and
readout device.
2.
F
rom
the
Home screen,
se
le
c
t
2:
C
o
nfigure
.
3.
Se
lec
t
2: Advanced
S
e
tu
p
.
4.
Se
lec
t
1:
Measurements.
5.
Se
lec
t
1: Dial/Pressure.
6.
Se
lec
t
1: Verify/Calibrate.
Note
Se
lec
t
pressure
points
so
that
lower
and upper values are equal
to
or o
u
t
si
de
the
expe
c
t
e
d
process
ope
r
a
t
i
o
n
range.
7.
F
o
ll
ow
t
h
e
on-screen
instr
u
c
t
io
n
s
to
complete
t
h
e
adju
st
me
n
t
of the lower value.
8.
R
e
pe
a
t
the
procedure
for the upper value.
Performing
a
digital zero
trim
Devices are
f
a
c
t
or
y-cali
bra
t
ed.
Once installed,
it
is recommended
to
perform
t
h
i
s
step
t
o
e
l
imin
a
t
e
po
t
e
n
t
i
a
l
error
caused
by mounting position or
st
a
t
ic
pressure.
Instr
u
c
t
ions
f
o
r
using a
F
i
e
l
d
C
o
mm
unica
t
o
r
are
listed below.
1.
Ve
n
t
the device.
2.
C
o
nnec
t
the
Field
C
o
mm
uni
ca
t
o
r
.
3.
F
rom
the
HOME screen,
e
n
t
e
r
the
HART Fast Key
sequence.
Fa
s
t
Keys
2, 1, 1
4.
F
o
llo
w the
commands
to
perform the procedure.