D200124X012
Fisher Controls International, Inc. 1977, 1997; All Rights Reserved
Fisher, Fisher-Rosemount, and Managing The Process Better are marks
owned by Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.
All other marks are the property of their respective owners.
2500
a
n
d 2
50
3 S
erie
s L
evel-Trol
C
ontroller
s a
nd
Transmitters
Contents
Introduction
2.
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Scope of Manual 2.
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Description 2
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Specifications 2
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Installation
2
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Sensor Assembly 2.
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Uncrating 2
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Controller/Transmitter Orientation 6.
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Mounting Caged Sensor 6.
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Mounting Cageless Sensor 7.
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Side-Mounted Sensor 7.
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Top-Mounted Sensor 8.
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Special Installations 8.
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Temperature-Compensated Displacer 8.
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Piezometer Ring 9.
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Supply and Output Pressure Connection 9.
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Supply Pressure 10.
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Controller/Transmitter Output Connection 11.
. . .
Prestartup Checks
11.
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Type 2500 Controller or Type 2500T
Transmitter 13.
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Type 2500S Controller 13.
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Type 2503 Controller 14.
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Adjustments 15
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Control Action 15.
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Level Adjustment
(Controllers Only) 15.
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Zero Adjustment
(Transmitters Only) 15.
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Proportional Band Adjustment
(Except Transmitters and 2503
Series Controllers) 15.
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Specific Gravity Adjustment
(Transmitters Only) 15.
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Calibration
15
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Precalibration Requirements 15.
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Wet Calibration 15.
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Dry Calibration 16.
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Figure 1. 2500 or 2503 Series Level-Trol
Controller/
Transmitter on Caged 249 Series Sensor
2500 OR 2503 SERIES
CONTROLLER/
TRANSMITTER
249 SERIES SENSOR
W3121-3/IL/A
Controller/Transmitter and Torque Tube Arm
Disassembly 16.
. . . . . . . . . . . . . . . . . . . . . . . . . .
Determining the Amount of
Suspended Weight 16.
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Calibration Procedure 17.
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Type 2500 Controller and
2500T Transmitter 17.
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Type 2500S and 2503 Controllers 19.
. . . . . . . . . .
Startup
20
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Type 2500 Controller 20.
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Type 2500T Transmitter 20.
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Type 2500S Controller 20.
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Type 2503 Controller 20.
. . . . . . . . . . . . . . . . . . . . . .
Instruction Manual
Form 1013
February 1997
Type 2500
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