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Menu A : Zero/span calibration
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-
sibility to calibrate zero and span of the transmitter
(LRV and URV).
The ranging of the transmitter needs to be done in the
“RANGE” menu 6.
Please use menu A “CALIBRATE” only when the LRV
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necessary to apply an accurate reference pressure
corresponding to the zero or LRV point as well as the
span or URV point when making a calibration.
Calibration of the Low Range Value (LRV)
• In the display
c
, press "LRV" to reach display
d
• Press "ENT" to make the LRV calibration (at 0% - 4mA)
Reference pressure for 0% (4mA) must be applied on
the transmitter at this moment.
For example : LRV range : 0 bar gauge.
Open the transmitter drain to the atmosphere and
make a LRV calibrate.
Calibration of the Upper Range Value (LRV)
• In the display 1, press "URV" to reach display
d
• Press "ENT" to make the URV calibration (at 100% -
20mA)
Reference pressure for 100% (20 mA) must be applied
on the transmitter at this moment.
Calibration at any point other than 0 and 100%
• In the display 1, press "LRV" or "URV" to reach display
d
or
g
• Enter the pressure value at that point in the display
d
or
g
• Press "ENT" to make the calibration while applying a
corresponding pressure to the transmitter
.
INC
A: CALIBRATE
< INC > < LRV >
1
CL
ENT
2
A-1: CALIBRATE
LRV
XXX
.
XX
%
CHNG OK? < ENT/CL >
3
A-2: CALIBRATING
LRV
XXX
.
XX
%
4
A-1: CALIBRATE
LRV
XXX
.
XX
%
< ENT > < CL >
ENT
XXX
.
X
kPa
XXX
.
X
kPa
XXX
.
X
kPa
5
A-3: CALIBRATE
URV
XXX
.
XX
%
CHNG OK? < ENT/CL >
6
A-4: CALIBRATING
URV
XXX
.
XX
%
7
A-3: CALIBRATE
URV
XXX
.
XX
%
< ENT > < CL >
XXX
.
X
kPa
XXX
.
X
kPa
XXX
.
X
kPa
LRV
CL
CL
ENT
CL
ENT
URV
< URV >
< Zero adjustment >
< Span adjustment >
Menu B : OUTPUT ADJ
Press LRV or URV at display of
c
.
When the following is displayed, it means that calibration can not be made because Menu No.
H: LINEARIZE is effective. In this case, set INVALID on the panel of No. H: LINEARIZE.
1. Span adjustment should be performed after zero adjustment is completed.
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In this case, adjustment is required again.
Adjustable range
Zero adjustment : Within ±40% of maximum span
Span adjustment : Within ±20% of calibrated span
3.When the adjustment point does not meet the following condition,
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Adjustment point setting condition
–1.000%CS
(*)
3/&6
&6
(*)
3+&6
(*)
(Lower adjustment point) - LRV
3/
î
URV - LRV
(Higher adjustment point) - LRV
3+
î
URV - LRV
(*) : CS (Calibrated Span) is equal to measuring range.
Important
A-1:CALIBRATE
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Set Linearize
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Содержание FCX-AII-V5 series
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