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2500T Series
Fisher 2500T Series User Manual
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T
ype 2500
12
Figure
12. Adjustment Locations
W0641–1B/IL
1C9283–B/DOC
W0671–1/IL
W0656–1/IL
W0647–2B/IL
W0648–1B/IL
1E8731
1E8732
A1897–1/IL
LEVEL SET ARM
MOUNTING SCREWS
LEVEL SET
ARM
LEVEL ADJUSTMENT
PROPORTIONAL
BAND ADJUSTMENT
FLAPPER ALIGNMENT SCREW
SHAFT CLAMP NUT
3–WA
Y V
AL
VE
NOZZLE
PLUNGER
SPECIFIC GRA
VITY
ADJUSTMENT
ZERO
ADJUSTMENT
POINTER
ASSEMBL
Y
FLAPPER
RELA
Y
SP
AN ADJUSTMENT
BOURDON
TUBE
DET
AIL
OF
TYPE
2500S
ON-OFF
CONTROLLER
RAISE
LEVEL
DIAL
FOR
LEFT-HAND
MOUNTING
RIGHT-HAND
MOUNTED
TYPE
2500
PROPORTIONAL
CONTROLLER
RIGHT-HAND
MOUNTED
TYPE
2503R
ON-OFF
CONTROLLER
DET
AIL
OF
TRANSMITTER
ADJUSTMENTS
INDICATOR
ASSEMBL
Y
WITH
RIGHT-HAND
MOUNTING
TRA
VEL
INDICA
TOR
PLA
TE
FOR
LEFT-HAND
MOUNTING
VENT
11
13
Table of Contents
Default Chapter
1
Table of Contents
1
Introduction
2
Scope of Manual
2
Description
2
Specifications
2
Installation
2
Sensor Assembly
2
Uncrating
2
Form
2
Controller/Transmitter Orientation
6
Mounting Caged Sensor
6
Mounting Cageless Sensor
7
Side-Mounted Sensor
7
Top-Mounted Sensor
8
Special Installations
8
Temperature-Compensated Displacer
8
Piezometer Ring
9
Supply and Output Pressure Connection
9
Supply Pressure
10
Controller/Transmitter Output Connection
11
Prestartup Checks
11
Transmitter
13
Type 2500S Controller
13
Type 2503 Controller
14
Adjustments
15
Control Action
15
Level Adjustment (Controllers Only)
15
Zero Adjustment (Transmitters Only)
15
Proportional Band Adjustment (Except Transmitters and 2503 Series Controllers)
15
Specific Gravity Adjustment (Transmitters Only)
15
Calibration
15
Precalibration Requirements
15
Wet Calibration
15
Dry Calibration
16
Controller/Transmitter and Torque Tube Arm Disassembly
16
Determining the Amount of Suspended Weight
16
Calibration Procedure
17
Type 2500 Controller and 2500T Transmitter
17
Type 2500S and 2503 Controllers
19
Principle of Operation
20
Proportional Valve
21
Startup
20
Type 2500 Controller
20
Type 2500T Transmitter
20
Type 2500S Controller
20
Type 2503 Controller
20
Maintenance
22
Troubleshooting
23
Removing Controller/Transmitter from Sensor
23
Changing Mounting Methods
25
Installing Controller/Transmitter on Sensor
26
Replacing the Bourdon Tube
26
Changing Action
26
Relay Deadband Testing (Type 2500 Controller or 2500T Transmitter Only)
27
Replacing the Proportional Valve
27
Changing Relay
28
Relay Assembly Maintenance
28
Parts Ordering
29
Parts List
29
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Fisher 2500T Series Specifications
General
Brand
Fisher
Model
2500T Series
Category
Controller
Language
English
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