Full Text Searchable PDF User Manual

The Signet 2552 Metal Magmeter from Georg Fischer features all-stainless steel
construction. The PVDF nosepiece and FPM O-rings are the only other wetted materials.
The 2552 installs quickly into standard 1¼ in. or 1½ in. pipe outlets, and is adjustable to
fit pipes from DN50 to DN2550 (2 to 102 inches). Two sensor lengths allow maximum
flexibility to accommodate a variety of hardware configurations, including ball valves for
hot-tap installations.
When equipped with the frequency output, the 2552 is compatible with any Signet flow
instrument, while the S
3
L Digital output enables multi-channel compatibility with the
Signet 8900 Multi-Parameter Flow Controller. Select the blind 4 to 20 mA current output to
interface directly with dataloggers, PLCs or telemetry systems.
Key features include Empty Pipe Detection, LED-assisted troubleshooting, and Bi-
Directional span capability (in 4 to 20 mA models).
The Signet 3-0252 Configuration Tool is available to customize every performance feature
in the 2552 so it can be adapted to the user's application requirements.
*3-2552.090*
3-2552.090 Rev. 6 10/18
Signet 2552 Metal Magmeter
English
Operating Instructions
Description
Table of Contents
3-2552-3
3-2552-2
Warranty information .............................................................................. 2
Product Registration
............................................................................... 2
Safety Information .................................................................................. 2
Environmental Recomendations
............................................................. 2
Specifications
...................................................................................... 2-3
Dimensions .............................................................................................
4
Selecting a Location ...............................................................................
4
General Installation.................................................................................
4
Vertical Installation..................................................................................
4
Horizontal Installation
............................................................................. 5
Sensor Conditioning
............................................................................... 5
Grounding ............................................................................................... 5
Preparing for Installation.........................................................................
6
H-Dimension ...........................................................................................
6
Magmeter Installation ............................................................................. 7
Frequency Output Wiring........................................................................ 9
Digital (S
3
L) Output Wiring
...................................................................... 9
4 to 20 mA Loop Output Wiring
............................................................
10
Calibration Data
............................................................................... 11-12
Technical Support ................................................................................. 13
Troubleshooting ....................................................................................
14
Maintenance .........................................................................................
14
Sensor Selection .................................................................................. 15
Ordering Information.............................................................................
16

2
Signet 2552 Metal Magmeter
1. Depressurize and vent systems without Hot-tap valve prior to
installation or removal.
2. Confirm chemical compatibility before use.
3. Do not exceed maximum temperature/pressure
specifications.
4. Wear safety goggles or face shield during installation/service.
5. Do not disassemble or alter product construction.
6. Disconnect power before attempting any service or wiring.
Performance
Pipe size range
..................
DN50 to DN2550 (2 in. to 102 in.)
Flow Range
Minimum ............................
0.05 m/s (0.15 ft/s)
Maximum
...........................
10 m/s (33 ft/s) for pipes
up to DN 1200 (48 in.)
3 m/s (10 ft./s) for pipes
over DN 1200 (48 in.)
Linearity .............................
±(1% reading + 0.01 m/s)
±(1% reading + 0.033 ft/s)
Repeatability
......................
±0.5% of reading @ 25 °C
Accuracy:
±2% of measured value (in reference conditions where
the fluid is water at ambient temperature, the sensor is
inserted at the correct depth and there is a fully
developed flow profile which is in compliance with
ISO 7145-1982 (BS 1042 section 2.2))
Minimum Conductivity
.......
20 µS/cm
Wetted Materials
Body and Electrodes .........
316L Stainless Steel
Insulator .............................PVDF
O-rings ...............................
FPM (standard)
Cable
.................................
4-cond + shield, PVC jacket
(Fixed cable models) or Water-
resistant rubber cable assembly
with Turck® NEMA 6P connector
Power Requirements
4 to 20 mA
.........................
24 VDC ± 10%, regulated,
22.1 mA maximum
Frequency..........................
5 to 24 VDC ± 10%, regulated,
15 mA maximum
Digital (S
3
L)
........................
5 to 6.5 VDC, 15 mA maximum
Reverse polarity and short circuit protected
Cable Options
• Fixed 7.6 m (25 ft) cable
• Custom lengths available, contact Georg Fischer Signet
signet-specialproduct@georgfischer.com
• Detachable water tight sensor cable with Turck® connector
sold separately, two lengths: 4 m (13 ft) or 6 m (19.5 ft)
Current Output (4 to 20 mA):
Programmable and reversible
Factory Range
...................
4 to 20 mA = 0 to 5 m/s
Loop Accuracy
...................
32 µA max. error
(@ 25 °C @ 24 VDC)
Temp. drift ..........................
±1 µA per °C max.
Power supply rejection ......
±1 µA per V
Isolation .............................
Low voltage < 48 VAC/DC from
electrodes and auxiliary power
Maximum cable
.................
300 m (1000 ft)
Max. Loop Resistance
.......
300 Ω
Error condition ...................
22.1 mA
Caution / Warning / Danger
Indicates a potential hazard. Failure to follow all warnings
may lead to equipment damage, injury, or death
Electrostatic Discharge (ESD) / Electrocution Danger
Alerts user to risk of potential damage to product by ESD,
and/or risk of potential of injury or death via electrocution.
Personal Protective Equipment (PPE)
Always utilize the most appropriate PPE during
installation and service of Signet products.
Pressurized System Warning
Sensor may be under pressure, take caution to vent
system prior to installation or removal. Failure to do so
may result in equipment damage and/or serious injury.
Note / Technical Notes
Highlights additional information or detailed procedure.
Refer to your local Georg Fischer Sales office for the most
current warranty statement.
All warranty and non-warranty repairs being returned must
include a fully completed Service Form and goods must be
returned to your local GF Sales office or distributor.
Product returned without a Service Form may not be warranty
replaced or repaired.
Signet products with limited shelf-life (e.g. pH, ORP, chlorine
electrodes, calibration solutions; e.g. pH buffers, turbidity
standards or other solutions) are warranted out of box but not
warranted against any damage, due to process or application
failures (e.g. high temperature, chemical poisoning, dry-out) or
mishandling (e.g. broken glass, damaged membrane, freezing
and/or extreme temperatures).
Thank you for purchasing the Signet line of Georg Fischer
measurement products.
If you would like to register your product(s), you can now
register online in one of the following ways:
• Visit our website
www.gfsignet.com.
Under
Service and Support
click on
Product Registration Form
• If this is a pdf manual (digital copy),
Specifications
Warranty Information
Product Registration
Safety Information
When used properly, this product presents no inherent danger
to the environment.
Please follow all appropriate local ordinances when disposing
of this or any product with electronic components.
Environmental Recommendations

3
Signet 2552 Metal Magmeter
Frequency output
Compatible
........................
Signet 8550-3, 8900, 9900
Max. Pull-up Voltage
..........
30 VDC
Short Circuit Protected
......
≤ 30 V @ 0 Ω pull-up for one hour
Reverse Polarity
................
Protected to -40 V for 1 hour
Overvoltage
.......................
Protected to +40 V for 1 hour
Max. Current Sink
..............
50 mA, current limited
Maximum cable
.................
300 m (1000 ft)
Digital (S
3
L) Output
Compatible with Signet 8900 and 9900
Serial ASCII, TTL level 9600 bps
Maximum cable
.................
Application dependent
(See 8900 manual)
Environmental
• NEMA 4 (IP65) (fixed cable models)
• NEMA 6P (IP68) (Submersible cable models only):
Signet recommends maximum 3 m. (10 ft) submersion
depth for maximum 10 days continuous submersion.
Standards and Approvals
• CE, RoHS Compliant
• U.S. Patent No.: 7,055,396 BI
• Manufactured under ISO 9001 for Quality,
ISO 14001 for Environmental Management and
OHSAS 18001 for Occupational Health and Safety.
China RoHS (visit gfsignet.com for details)
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause
undesired operation.
Media Temperature
Operating Pressure
10
100
158 185 212
-10
41
20
-20
30 40 50 60 70 80 90
59 77
°F
°C
5
0
0
0.9
150
175
300
200
225
50
25
2.6
75
100
125
23
250
275
95 113 131
20.6
11.2
7.8
9.5
16.4
bar psi
14.7
18.1
12.9
4.3
6.0
19.8
2552 Magmeter
Temperature-Pressure Operating Range
Safe for operation of the Hot-T
ap
Safe Media Pressure
and
Temperature Range
Do not use hot-tap installation where temperatures
will exceed 40 °C or if hazardous liquids are present.
Temperature Rating
Storage Temperature .........
-15 °C to 70 °C (5 °F to 158 °F)
in non-icing conditions
Operating Temperature
• Ambient
.........................
-15 °C to 70 °C (5 °F to 158 °F)
in non-icing conditions
• Media ............................
-15 °C to 85 °C (5 °F to 185 °F)
Max. Operating Pressure
20.7 bar @ 25 °C (300 psi @ 77 °F)
Hot-Tap Installation Requirements
Maximum Pressure
............
20.7 bar (300 psi)
Maximum Temp.
................
40 °C (104 °F)
Specifications Cont.
Warning:
For applications with diameters greater
than DN1200 (122 cm or 48 inches) with a fluid
velocity exceeding 3 m / s (10 ft / s), contact your
local sales office for technical assistance.

4
Signet 2552 Metal Magmeter
•
The 2552 requires a
fully developed turbulent flow profile for accurate measurement
. Selecting the correct location in the
piping system is critical to the performance of the magmeter.
•
Locate the magmeter where air bubbles will not contact the electrodes.
•
Placing the sensor in a vertical section of pipe, with flow going UPHILL is the first choice for this requirement.
•
The piping system should be designed to keep the sensor wet at all times.
•
In applications where the conductivity of the process liquid is less than 100 μS, magmeters should be allowed to soak in a full
pipe for 24 hours before operation.
Locating the sensor where the flow is upward protects the sensor from exposure to air bubbles and may offset upstream turbulence
caused by pipe conditions and other hardware.
+GF+
+
GF
+
+
GF
+
O.K.
+GF+
O.K.
+GF
+
O.K.
+GF+
20 x ID
+GF+
+
GF
+
+
GF
+
O.K.
+GF+
O.K.
+GF
+
O.K.
+GF+
20 x ID
Air pockets and bubbles
will travel at the top of a
horizontal pipe, so avoid
vertical installations.
Sediments and debris
that collect at the
bottom of a horizontal
pipe will interference
with the operation.
Selecting a Location
Vertical Installation
General Installation
Recommended Installation
Located the magmeter in a
"trap" to prevent air bubbles
and to keep the electrodes
wetted for best performance.
+GF+
+
GF
+
+
GF
+
O.K.
+GF+
O.K.
+GF
+
O.K.
+GF+
20 x ID
+GF+
+
GF
+
+
GF
+
O.K.
+GF+
O.K.
+GF
+
O.K.
+GF+
20 x ID
25.4 mm
(1.0 in.)
41 mm
(1.6 in.)
137 mm
(5.4 in.)
2552-2 models
290 mm
(11.4 in.)
2552-3 models
432 mm
(17.0 in.)
2552-2 models
276.3 mm
(10.88 in.)
2552-3 models
419 mm
(16.5 in.)
32 mm
(1.25 in.)
Acme
threads
Dimensions
Locking
Set Screw
Threaded
Ground lug
Alignment Reference hole
Process Connector Nut
1¼ in. or 1½ in.
NPT or ISO threads
316 SS Sensor Body
Signal Cable
Sensor Adjustment Hub
ACME Threaded
outer housing
316 SS Electrodes
Overview

5
Signet 2552 Metal Magmeter
+GF+
15 x I.D.
5 x I.D.
Reducer
+GF+
10 x I.D.
5 x I.D.
Inlet
Outlet
Flange
+GF+
50 x I.D.
5 x I.D.
Valve/Pump
+GF+
40 x I.D.
5 x I.D.
2 x 90° Elbow
3 dimensions
25 x I.D.
5 x I.D.
2 x 90° Elbow
+GF+
20 x I.D.
5 x I.D.
90° Elbow
+GF+
If the magmeter must be mounted
in a horizontal section of pipe,
take extra precautions to prevent
air bubbles from passing over the
sensor.
Select a location with suffi cient
distance of straight pipe immediately
upstream of the sensor. The
dimensions illustrated here are
intended for general guidance.
Every piping system has unique
characteristics, and requires
individual evaluation.
The Magmeter output signal may be unstable immediately after installation. Allowing the sensor to soak in a full pipe (or in any
container of water) for 24 hours will stabilize the performance.
• Very low conductivity fl uids may require a longer conditioning period.
• The Magmeter may not operate properly in fl uids where the conductivity is less than 20 µS/cm.
Grounding rings on plastic pipe
(Installed between flanges)
10 cm to 1.3 m
(4 in. to 50 in.)
10 cm to 1.3 m
(4 in. to 50 in.)
FLOW
→
*
Blue
Black
Brown
White
Shield
3
1
2
2
9900
ENTER
*
See page 9 for wiring details.
Sensor Conditioning
Grounding
Horizontal Installation
The 2552 Magmeter is unaffected by moderate levels
of electrical noise, especially if installed in a properly
grounded metal piping system. However, in some
applications it may be necessary to ground portions
of the system to eliminate electrical interference. The
grounding requirements will vary with each installation.
One or more of the following steps may be applied if the
2552 Magmeter is affected by electrical noise:
Connect a wire (14 AWG/2.08 mm
2
recommended)
from the ground terminal screw on the sensor nut
directly to a local Earth ground.
Install fl uid grounding devices immediately upstream
and downstream of the Magmeter.
Connect the fl uid grounds to the Earth ground
terminal on the 2552.
Use fl anged grounding rings or metal electrodes on
plastic pipes, or metal clamps on metal pipes.
Fluid grounds must be in direct contact with the fl uid,
and as near to the Magmeter as possible.
Connect the SHIELD conductor to Earth ground
near the instrument.

6
Signet 2552 Metal Magmeter
H Dimension
10% of
inside diameter
Wall Thickness
Hardware
Stack Height
The alignment of the electrodes in the pipe and the insertion depth of the electrodes in relation to the inside diameter of the pipe
are critical to the successful operation and calibration of the system. The brass rod that is supplied with the 2552 is used to assist
with this requirement.
The H-dimension is the distance from the TOP OF THE PIPE to the BOTTOM OF THE BRASS ROD.
The tables on pages 11-12 include the H-dimension for two of the most common pipe schedules from DN50 to DN2550
(2 in. to 102 in.). If the pipe is not represented in the tables on pages 11-12, use the procedure below to determine the H-dimension.
The goal of the procedure is to place the Magmeter electrodes 10% inside of the pipe
1. The height from the magmeter electrodes to the alignment rod is:
-2 Versions:
276.3 mm ( 10.88 in. )
-3 Versions:
419.0 mm ( 16.50 in. )
2. Subtract the wall thickness of the pipe:
- Wall Thickness:
-_____ mm ( ______ in.)
3. Subtract 10% of the pipe inside diameter:
- 10% of pipe id:
-_____ mm ( ______ in.)
4. The result is the H-dimension. Record the result here for reference at the installation site:
= H dimension:
=_____ mm ( ______ in.)
Preparing for Installation
H-Dimension
Hardware stack height is important
The H-dimension represents the total height
available for the installation hardware.
If there is insufficient clearance to accommodate
the hardware, select a longer 2552 Magmeter or
modify the hardware to reduce the stack height.

7
Signet 2552 Metal Magmeter
3. Install the Magmeter into the pipe
a. Apply sealing tape or paste to the male threads of the process
connector nut.
b. Tighten the process connector into the pipe.
• Do not damage the locking set screw when using tools.
• The sensor is marked to identify the downstream alignment.
The arrow MUST point DOWNSTREAM.
• Hold the outer sensor housing securely while threading the
process connector nut into the fitting. This will prevent the cable
from becoming twisted around the sensor while the process
connector is tightened into the pipe.
c. Loosen the set screw in the process connector nut.
d. Rotate the Acme threaded outer housing until the flow arrow is
aligned in the proper direction.
e. Secure the set screw sufficiently to prevent the outer housing
from spinning.
Do not tighten the set screw yet. It may require additional adjustment.
Not supplied with the 2552 Magmeter:
•
Female pipe fitting (weld-on or saddle) with:
• 1¼ in. NPT or ISO 7/Rc 1¼ threads (2552-2)
• 1½ in. NPT or ISO 7/Rc 1½ threads (2552-3)
• 32 mm (1¼ in.) or 40 mm (1½ in.) ball valve (for hot tap installations)
• 32 mm (1¼ in.) or 40 mm (1½ in.) diameter drill
• 32 mm (1¼ in.) pipe nipple
• Pipe thread sealant suitable for application
• Pipe wrench
The following items are required to properly install the Magmeter:
Supplied with 2552 Magmeter:
• Ruler
• Brass alignment rod
• H-dimension value for your pipe
(See pages 6)
• Hex wrench
• 2 clamp rings
• Grounding screw
• Anti-Seize Lubricant for stainless steel
1. Determine the H-dimension for the pipe
• The tables on pages 11-12 list the H-dimension metal pipe per ANSI 36.10 and ANSI 36.19.
• Use the procedure on page 6 to determine the H-dimension for other types of pipe.
FLOW →
FLOW →
FLOW →
H
FLOW →
FLOW →
FLOW →
FLOW →
Set Screw
Set Screw
Wrench
FLOW →
Wear gloves to grip the outer sensor housing.
Magmeter Installation
2. Prepare the pipe
a. Cut a 32 mm (1¼ in.) opening in the pipe.
b. Install a 32 mm (1¼ in.) for 2552-2, or 40 mm (1½ in.) for 2552-3 outlet onto the pipe.
This fitting must withstand pressures up to 20 bar (300 psi).
For Hot-tap installations:
• Thread a matching pipe nipple and ball valve into the outlet.
• Use a suitable paste or sealing tape to provide a leakproof connection.
Hot- tap drilling requires special tools and skills.
This task should only be performed by qualified personnel.
For Ball Valve installations:
Position the ball valve handle so it is parallel to the pipe.
This will prevent the valve handle from interfering with the
adjustment and alignment of the magmeter.
Remember to tilt the magmeter to avoid air bubbles
(see General Installation, page 4).
FLOW →
FLOW →
FLOW →
H
FLOW →
FLOW →
FLOW →
FLOW →
Set Screw
Set Screw
Wrench
FLOW →
FLOW →
FLOW →
FLOW →
H
FLOW →
FLOW →
FLOW →
FLOW →
Set Screw
Set Screw
Wrench
FLOW →
FLOW →
FLOW →
FLOW →
H
FLOW →
FLOW →
FLOW →
FLOW →
Set Screw
Set Screw
Wrench
FLOW →

8
Signet 2552 Metal Magmeter
4. Adjust the magmeter position and insertion depth
a. Insert the brass rod through the alignment reference hole located
directly below the sensor adjustment hub.
b.
IMPORTANT!
Apply Anti-Seize Lubricant for stainless steel
("Permatex" brand or equivalent) to the acme threads on the housing.
Apply fresh lubricant whenever servicing and before retracting sensor.
Dry operation under high fluid pressure may cause
permanent damage!
c. Adjust the height of the magmeter by turning the sensor adjustment hub
clockwise until the distance from the OUTSIDE of the pipe to the bottom
of the alignment rod is equal to the H-dimension (as recorded on pg. 6).
5. Secure the Magmeter in position
a. Secure the height adjustment by installing the two pipe
clamps above and below the sensor adjustment hub.
b. Spread the clamp apart to wrap it around the outer
housing.
c. Place one clamp immediately above and one clamp
immediately below the magmeter adjustment hub.
d. Squeeze the clamp together until it is firmly locked
around the housing.
FLOW →
FLOW →
FLOW →
H
FLOW →
FLOW →
FLOW →
FLOW →
Set Screw
Set Screw
Wrench
FLOW →
6. Removal Instructions for Hot-tap Installations
• REDUCE THE PROCESS TEMPERATURE TO LESS THAN 40 °C (104 °F).
• REDUCE THE SYSTEM PRESSURE TO A SAFE LEVEL.
• WEAR SUITABLE PROTECTIVE EQUIPMENT WHEN WORKING WITH
PRESSURIZED PIPES.
a. Remove the steel clamp from the top of the assembly.
b. Turn the sensor adjustment hub counter-clockwise until the sensor is fully retracted.
(The alignment sensor hole should be at the top of the outer housing slot.)
Apply a suitable lubricant to the ACME threads to ease the retraction.
c. Close the valve after raising the magmeter to the top of the housing.
Install a LOCKOUT TAG on the closed valve to prevent accidents!
d. Remove the magmeter from the top of the valve.
e. Loosen the locking set screw on the process connector nut.
f. Use one pipe wrench to hold the valve in place while turning
the process connector nut with a second wrench.
g. Do not damage the locking set screw when using tools.
UNDER PRESSURE!
HOLD VALVE IN PLACE!
Turn magmeter adapter ONLY!
CLOSE VALVE
BEFORE REMOVING MAGMETER!
DANGER!
DO NOT
OPEN
THIS VAL
VE
This lock/tag ma
y
only be r
emoved b
y:
Name ___________
Dept. ____________
Expected da
te for
completion:
_________
Magmeter Installation - cont.
The distance from the
OUTSIDE of the pipe
to the bottom of the
alignment rod must be
equal to the H-dimension
FLOW →
→
FLOW →
→
→
→
FLOW
Set Screw
Hex Wrench
FLOW
FLOW
FLOW
H
CAUTION:
Overtightening the set screw may
damage the hex key.
d. Loosen the locking set screw and rotate the outer housing
to align the brass rod with the centerline if the pipe.
e. When the magmeter is adjusted for the proper height and
alignment, tighten the locking set screw firmly.
Pipe Top View
Align Magmeter with pipe ±1°

9
Signet 2552 Metal Magmeter
The 2552 outputs an open collector frequency signal that can be connected to:
• 8550-3 Flow Transmitter
• 8900 Multi-Parameter Controller
• 9900 Transmitter
DC power is provided to the 2552 Magmeter by all Signet instruments.
No additional power is required.
ALWAYS
connect AUX power on the 8550-3 and 9900 to provide power for the 2552 output signal.
Frequency Output Wiring
Digital (S
3
L) Output Wiring
3-8900.621C
I/O Module 3-8900.401-X
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+5VDC (Black)
Freq. Input (Red)
GND (Shield)
+5VDC (Black)
Freq. Input 2 (Red)
S
3
L (Red)
GND (White/Shield)
+5VDC (Black)
S
3
L (Red)
GND (White/Shield)
Analog Output 1
Analog Output 2
(if applicable)
(if applicable)
Frequency
Input
1
Frequency
Input 2
OR
S3L
Input
2
S3L
Input
1
+
-
+
-
White
Blue
Brown
Black
Shield
3-8900.621C
I/O Module 3-8900.401-X
1
2
3
4
5
6
7
8
+5VDC (Black)
Freq. Input (Red)
GND (Shield)
+5VDC (Black)
Freq. Input 2 (Red)
S
3
L (Red)
GND (White/Shield)
Frequency
Input
1
Frequency
Input 2
OR
S3L
Input
2
White
Blue
Brown
Black
Shield
D
AT
A
GND SHLD
V+
Brown
White
Blue
Black
Shield
No
connection
D
AT
A
GND SHLD
V+
Brown
White
Blue
Black
Shield
8900 Frequency Wiring
9900 Digital (S
3
L)
Wiring
9900 Frequency
Wiring
9900 Digital (S
3
L) Wiring
3-8900.621C
I/O Module 3-8900.401-X
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+5VDC (Black)
Freq. Input (Red)
GND (Shield)
+5VDC (Black)
Freq. Input 2 (Red)
S
3
L (Red)
GND (White/Shield)
+5VDC (Black)
S
3
L (Red)
GND (White/Shield)
Analog Output 1
Analog Output 2
(if applicable)
(if applicable)
Frequency
Input
1
Frequency
Input 2
OR
S3L
Input
2
S3L
Input
1
+
-
+
-
White
Blue
Brown
Black
Shield
3-8900.621C
I/O Module 3-8900.401-X
1
2
3
4
5
6
7
8
+5VDC (Black)
Freq. Input (Red)
GND (Shield)
+5VDC (Black)
Freq. Input 2 (Red)
S
3
L (Red)
GND (White/Shield)
Frequency
Input
1
Frequency
Input 2
OR
S3L
Input
2
White
Blue
Brown
Black
Shield
D
AT
A
GND SHLD
V+
Brown
White
Blue
Black
Shield
No
connection
D
AT
A
GND SHLD
V+
Brown
White
Blue
Black
Shield
8900 Frequency Wiring
9900 Digital (S
3
L)
Wiring
9900 Frequency
Wiring
9900 Digital (S
3
L) Wiring
Non-Signet Instrument
5-24 VDC
Sensor Ground
Frequency Out
10 KΩ
White
Blue
Brown
Black
Shield
8550-3 Flow Transmitter
White
Brown
Black
Blue
Shield
Sensr IN
(RED)
Sensr V+
(BLACK)
Sensr Gnd
(SHIELD)
If connecting the 2552 Magmeter to a flow instrument
from another manufacturer, 5 to 24 VDC power must be
provided to the 2552.
A 10 K
Ω
pull up resistor must also be connected between
the +V (Black) and the Freq. Out (Brown) wires.
DC power is provided to the 2552 Magmeter by all Signet instruments.
No additional power is required.
ALWAYS connect AUX power on the 8900 and 9900 to provide power for the 2552 output signal.
The maximum cable length from the 2552 to the 8900 depends on the 8900 configuration.
Refer to the 8900 manual for complete information.

10
Signet 2552 Metal Magmeter
4 to 20 mA Loop Output Wiring
The 2552 Magmeter is a traditional 2-wire passive 4 to 20 mA
loop transmitter.
•
External loop power (21.6 to 26.4 VDC, 22.1 mA
maximum) is required. (See Power Requirements
on pg. 2)
The maximum loop resistance the Magmeter can
accomodate is 300 Ω.
The cable length from the Magmeter to the loop
monitor cannot exceed 300 m (1000 ft).
•
All 2552 Magmeters are shipped from the factory with the
4 to 20 mA output scaled for 0 to 5 m/s (0 to 16.4 ft/s).
If this operating range is suitable, no adjustments are
necessary. The calibration charts in this manual list the
20 mA setpoint for each pipe size. Use this information to
program the 4 to 20 mA range of the loop device
(PLC, Datalogger, recorder, etc.).
4 to 20 mA
Loop monitor
(Maximum 300 Ω)
+
+
-
-
24 VDC ± 10%
Brown
X
Blue
X
White
Loop - (Ground)
Black
Loop + (24 VDC)
Wiring the 2552-XX-12 Magmeter with 4 to 20 mA Loop Output

11
Signet 2552 Metal Magmeter
K-Factors and Full Scale Current Values for 3-2552-2x - x - xx and 3-2552-3x - x - xx Magmeters
Pipe Size (ANSI)
Schedule
OD (Inches)
W
ALL
(Inches)
ID (Inches)
H Dim -2 V
ersion
H Dim mm
-3X V
ersion
K-Factor
Pulse/liter
K-Factor
Pulse/Gal
Factory set 20 mA
(liter/min)
Factory set20 mA
(GPM)
Inch
mm
Inch
mm
2
40
2.375
0.15
2.07 10 16/32
267.0
16 5/32
409.9
46.19
174.83
649.5
171.6
80
2.375
0.22
1.94 10 15/32
265.9
16 3/32
408.6
52.49
198.68
571.5
151.0
2½
40
2.875
0.20
2.47 10 14/32
264.9
16
407.7
32.37
122.54
926.7
244.8
80
2.875
0.28
2.32
10 12/32
263.4
16
406.2
36.57
138.42
820.3
216.7
3
40
3.500
0.22
3.07 10 12/32
263.1
15 31/32
405.8
20.97
79.36
1431
378.0
80
3.500
0.30
2.90
10 9/32
261.4
15 29/32
404.1
23.47
88.82
1278
337.8
3½
40
4.000
0.23
3.55
10 10/32
261.6
15 29/32
404.4
15.68
59.34
1914
505.6
80
4.000
0.32
3.36
10 8/32
259.7
15 27/32
402.5
17.44
66.01
1720
454.5
4
40
4.500
0.24
4.03
10 8/32
260.1
15 28/32
402.9
12.18
46.09
2464
651.0
80
4.500
0.34
3.83
10 5/32
258.1
15 25/32
400.9
13.48
51.03
2225
587.9
5
40
5.563
0.26
5.05
10 4/32
257.0
15 24/32
399.7
7.748
29.33
3872
1023
80
5.563
0.38
4.81
10
254.6
15 21/32
397.4
8.519
32.25
3521
930.4
6
40
6.625
0.28
6.07
10
253.8
15 20/32
396.6
5.365
20.31
5591
1477
80
6.625
0.43
5.76
9 28/32
250.8
15 16/32
393.5
5.946
22.51
5045
1333
8
40
8.625
0.32
7.98
9 24/32
247.9
15 12/32
390.7
3.098
11.73
9683
2558
80
8.625
0.50
7.63
9 20/32
244.3
15 8/32
387.0
3.394
12.85
8838
2335
10
40
10.75
0.37
10.0
9 16/32
241.6
15 4/32
384.4
1.966
7.440
15262
4032
80
10.75
0.59
9.56
9 11/32
237.00 14 30/32
379.8
2.158
8.170
13899
3672
12
STD
12.75
0.38
12.0
9 10/32
236.4
14 30/32
379.1
1.371
5.187
21890
5783
XHY
12.75
0.50
11.8
9 6/32
233.8
14 26/32
376.6
1.429
5.410
20987
5545
14
30
14.00
0.38
13.3
9 6/32
233.2
14 26/32
375.9
1.124
4.255
26688
7051
XHY
14.00
0.50
13.0
9 3/32
230.6
14 22/32
373.4
1.168
4.420
25690
6787
16
30
16.00
0.38
15.3
9
228.1
14 19/32
370.8
0.849
3.212
35352
9340
40/XHY
16.00
0.50
15.0
8 28/32
225.6
14 16/32
368.3
0.877
3.320
34202
9036
18
STD
18.00
0.38
17.3
8 25/32
223.0
14 13/32
365.8
0.663
2.510
45233
11950
XHY
18.00
0.50
17.0
8 22/32
220.5
14 10/32
363.2
0.683
2.585
43931
11610
20
20/STD
20.00
0.38
19.3
8 19/32
217.9
14 6/32
360.7
0.533
2.016
56330
14880
30/XHY
20.00
0.50
19.0
8 16/32
215.39
14 3/32
358.1
0.547
2.069
54876
14500
22
20/STD
22.00
0.38
21.3
8 12/32
212.85
14
355.6
0.437
1.654
68643
18136
30/XHY
22.00
0.50
21.0
8 9/32
210.31 13 29/32
353.1
0.448
1.694
67037
17711
24
20/STD
24.00
0.38
23.3
8 6/32
207.77 13 26/32
350.5
0.365
1.382
82172
21710
XHY
24.00
0.50
23.0
8 3/32
205.23 13 22/32
348.0
0.373
1.412
80414
21246
The data in these tables is based on dimensions of metal pipe per ANSI 36.10 and ANSI 36.19.
Stainless steel and carbon steel pipe schedules have the same dimensions according to ANSI standards.
Contact the local Georg Fischer Signet distributor for assistance with pipe sizes and materials not listed.
Calibration Data

12
Signet 2552 Metal Magmeter
Pipe Size (ANSI)
Schedule
OD (Inches)
W
ALL
(Inches)
ID (Inches)
H Dim
-2 V
ersion
H Dim mm
-3X V
ersion
K-Factor
Pulse/liter
K-Factor
Pulse/Gal
Factory set 20 mA
(liter/min)
Factory set20 mA
(GPM)
Inch
mm
Inch
mm
26
STD
26
0.38
25.25
8
202.69 13 19/32 345.4
0.310
1.172
96917
25606
20/XHY
26
0.50
25.00
7 28/32 200.15 13 16/32 342.9
0.316
1.195
95008
25101
28
STD
28
0.38
27.25
7 25/32 197.61 13 13/32 340.4
0.266
1.006
112879
29823
20/XHY
28
0.50
27.00
7 22/32 195.07 13 10/32
337.8
0.271
1.025
110817
29278
30
STD
30
0.38
29.25
7 19/32
192.53
13 6/32
335.3
0.231
0.873
130056
34361
20/XHY
30
0.50
29.00
7 16/32
189.99
13 3/32
332.7
0.235
0.888
127842
33776
32
STD
32
0.38
31.25
7 12/32 187.45
13
330.2
0.202
0.765
148449
39220
20/XHY
32
0.50
31.00
7 9/32
184.91 12 29/32
327.7
0.205
0.777
146084
38595
34
STD
34
0.38
33.25
7 6/32
182.37
12 26/32
325.1
0.179
0.676
168059
44401
20/XHY
34
0.50
33.00
7 3/32
179.83
12 22/32 322.6
0.181
0.686
165541
43736
36
STD
36
0.38
35.25
7
177.29
12 19/32 320.0
0.159
0.601
188885
49903
20/XHY
36
0.50
35.00
6 28/32 174.75 12 16/32
317.5
0.161
0.610
186215
49198
38
STD
38
0.38
37.25
6 25/32
172.21
12 13/32 315.0
0.142
0.538
210926
55727
XHY
38
0.50
37.00
6 22/32 169.67 12 10/32 312.4
0.144
0.546
208105
54981
40
STD
40
0.38
39.25
6 19/32 167.13
12 6/32
309.9
0.128
0.485
234184
61872
XHY
40
0.50
39.00
6 16/32 164.59
12 3/32
307.3
0.130
0.491
231210
61086
42
STD
42
0.38
41.25
6 12/32 162.05
12
304.8
0.116
0.439
258658
68338
XHY
42
0.50
41.00
6 9/32
159.51
11 29/32 302.3
0.117
0.444
255532
67512
48
STD
48
0.38
47.25
5 25/32 146.81 11 13/32 289.6
0.088
0.335
339377
89664
XHY
48
0.50
47.00
5 22/32 144.27 10 26/32 274.32
0.089
0.338
335795
88717
54
STD
54.00
0.38
53.25
5 6/32
131.57
10 22/32
271.78
0.07
0.2634
431040
113881
XHY
54.00
0.50
53.00
5 3/32
129.03
10 6/32 259.08
0.06
0.2659
427002
112814
60
STD
60.00
0.38
59.25
4 19/32 116.33
10 3/32 256.54
0.06
0.2128
533648
140990
XHY
60.00
0.50
59.00
4 16/32
113.79
9 19/32 243.84
0.06
0.2146
529154
139802
66
STD
66.00
0.38
65.25
4
101.09
9 16/32 241.30
0.05
0.1754
647201
170991
XHY
66.00
0.50
65.00
3 29/32
98.55
9
228.60
0.05
0.1768
642251
169683
72
STD
72.00
0.38
71.25
3 13/32
85.85
8 29/32 226.06
0.04
0.1471
771699
203883
XHY
72.00
0.50
71.00
3 10/32
83.31
8 13/32 213.36
0.04
0.1482
766293
202455
78
STD
78.00
0.38
77.25
2 26/32
70.61
8 10/32 210.82
0.03
0.1252
907141
239667
XHY
78.00
0.50
77.00
2 22/32
68.07
7 26/32
198.12
0.03
0.1260
901280
238119
84
STD
84.00
0.38
83.25
2 6/32
55.37
7 22/32
195.58
0.03
0.1078
1053529
278343
XHY
84.00
0.50
83.00
2 3/32
52.83
7 6/32
182.88
0.03
0.1084
1047211
276674
90
STD
90.00
0.375
89.25
1 19/32
40.13
7 3/32
180.34
0.02
0.0938
1210862
319910
XHY
90.00
0.500
89.00
1 16/32
37.59
6 19/32 167.64
0.02
0.0943
1204087
318120
96
STD
96.00
0.375
95.25
1
24.89
6 16/32 165.10
0.02
0.0823
1379139
364369
XHY
96.00
0.500
95.00
29/32
22.35
6
152.40
0.02
0.0828
1371909
362459
102
STD
102.00
0.38
101.25
13/32
9.65
5 29/32 149.86
0.02
0.0729
1558362
411720
XHY
102.00
0.50
101.00
10/32
7.11
10/32
7.11
0.02
0.0732
1550676
409690
K-Factors and Full Scale Current Values for 3-2552-2x - x - xx and 3-2552-3x - x - xx Magmeters
The data in these tables is based on dimensions of metal pipe per ANSI 36.10 and ANSI 36.19.
Stainless steel and carbon steel pipe schedules have the same dimensions according to ANSI standards.
Contact the local Georg Fischer Signet distributor for assistance with pipe sizes and materials not listed.
Calibration Data

13
Signet 2552 Metal Magmeter
Bi-Directional Flow
The 2552 magmeter is designed to measure bi-directional flow.
• 4 to 20 mA output models:
May be scaled to span any
flow range:
For example: "4 to 20 mA = -100 GPM to +100 GPM"
• Frequency output models:
The 2552 will generate
a frequency regardless of flow direction. Signet
instrumentation cannot distinguish bi-directional flow from
frequency inputs.
• Digital (S
3
L) output models
: Reverse flow results in 0
flow rate displayed on the 8900 Multi-Parameter Controller.
•
The forward flow direction is indicated at the base of the
sensor. The arrow must point DOWNSTREAM.
FLOW→
B
lu
e
R
ed
0252 Configuration Tool
No calibration is necessary to begin using the 2552.
The application and performance settings are selected by the factory to meet the requirements of most applications.
The 2552 application and performance settings can be customized using the 3-0252 Configuration Tool.
The following parameters can be modified with the 3-0252 USB Setup tool and software. A Windows PC is required:
•
4 to 20 mA span
: Factory setting is 0 to 5 m/s.
Can be customized to any range, including bi-directional flow ranges, ±10 m/s maximum.
•
Noise Rejection Filter
: Factory set for 60 Hz.
Can be changed to 50 Hz.
•
Low Flow Cutoff
: Factory setting is 0.05 m/s.
Can be increased to meet specific application requirements.
•
Averaging Time
:Factory setting is 14 seconds
Can be customized from 0.1 seconds to 100 seconds
•
Sensitivity
: Factory setting is 25% of full scale
Can be customized to any % of full scale
The
MONITOR/VERIFY SENSOR
function in the Signet
3-0252 Setup Tool software is very useful as a system
troubleshooting tool.
MONITOR/VERIFY SENSOR
Technical Support Information

14
Signet 2552 Metal Magmeter
Troubleshooting Table
Troubleshooting with the RED and BLUE lights
The 2552 uses two colored LEDs to indicate the status of the measurement. They are located at the top of the magmeter, recessed
inside the threaded steel housing. Look down the outer housing to see them.
No Lights:
The power is off or the sensor is not connected
Solid Blue:
The power is on but there is no flow in the pipe.
Blinking Blue:
Normal operation, blink rate is proportional to the flow rate.
Alternating Red-Blue:
Empty pipe indication (electrodes are not wet.)
Blinking Red:
System errors (Generally indicates electrical noise interference)
Solid Red:
Instrument error (Generally indicates defective electronics component)
The lights are for troubleshooting guidance only and are not absolute fault indicators.
FLOW→
B
lu
e
R
ed
There are no user-serviceable components in the Magmeter.
•
If the fluid contains deposits and solids that may coat the electrodes, a regular cleaning schedule is recommended.
•
Do not use abrasive materials on the metal electrodes. Clean with soft cloth and mild detergent only.
•
Use a cotton swab and mild detergent to remove deposits on the metal electrodes at the tip of the sensor.
•
If the sensor nut will not turn smoothly, a light lubricant can be applied to the threads.
•
Re-apply Anti-Seize Lubricant for stainless steel ("Permatex" brand or equivalent) to the acme threads whenever servicing and
before retracting sensor.
Troubleshooting
Symptom
Possible Cause
Possible Solution
•
Frequency, Digital or Current
output is erratic.
•
Magmeter installed too close to
upstream obstruction.
•
Magmeter electrodes are coated.
•
Magmeter electrodes exposed to air
bubbles/pockets.
•
Electrical noise is interfering with the
measurement.
•
New sensor, metal surface not
properly conditioned.
•
Move the Magmeter upstream at least
10 pipe diameters from obstruction.
•
Clean the electrodes with soft cloth. Do
not use abrasives.
•
Eliminate air bubbles in the pipe.
•
Remove the Magmeter and reinstall
with the flow direction arrow on the
sensor body pointed DOWNSTREAM.
•
Modify grounding as required to protect
the Magmeter from interference.
•
Soak sensor overnight in fluid.
•
Output is not 0 when flow is
stopped.
•
Electrodes not adequately
conditioned.
•
Flow rate is less than Low flow cutoff
value.
•
Electrical noise is interfering with the
measurement.
•
Defective Magmeter
•
Soak sensor overnight in fluid.
•
Configure pipe so electrodes are
always in fluid.
•
Modify grounding as required to protect
the Magmeter from interference.
•
Adjust low flow cutoff higher.
•
Return to factory for service.
•
4 to 20 mA output is incorrect.
•
4 to 20 mA is not scaled same as
Loop device.
•
Loop device is not scaled same as
Magmeter.
•
Defective Magmeter
•
Use 3-0252 Span and Setup tool to set
output range.
•
Respan Loop device to match
Magmeter.
•
Return to factory for service.
•
Frequency output is inoperative
•
Digital (S
3
L) output is inoperative.
•
Loop output is inoperative.
•
2552 is wrong model.
•
Wiring is not correct.
•
Frequency input to other
manufacturer's flow instrument does
not have pull-up resistor.
•
Freq/S
3
L model is 3-2552-XX-11.
•
Blue wire must be grounded for freq
out, open for S
3
L out.
•
4 to 20 mA model is 3-2552-XX-12.
•
Check wiring, make corrections.
•
Install 10k
Ω
resistor.
•
Output is 22.1 mA.
•
Conductivity is less than 20 µS/cm.
•
Electrical noise
•
Electronic component failure.
•
Unsuitable application for Magmeter.
•
Check grounding, eliminate noise
source
•
Return to factory for service.
Maintenance

15
Signet 2552 Metal Magmeter
The 2552 Magmeter can be installed into a variety of pipe sizes. Follow the steps below to en
-
sure that you choose the right sensor for your application.
Step 1: Determine how the sensor will be installed
•
For retrofit installations, the ball valve must
be at least a 1¼ in. (or 1½ in. for 2552-3)
full port valve. The stack height, or “A”
dimension (see Fig. 2), is the overall height
from the top of the pipe to the top of the ball
valve, or the top of the highest point of the
stack before the sensor is connected.
B. For Hot-Tap installations
:
The stack height of the ball valve, nipple weldolet (threadolet) and pipe adapters should be deter
-
mined before the sensor is purchased.
•
For new installations, Signet recommends
a 1¼ in. or 1½ in. full port ball valve, a
short nipple and a weldolet (threadolet).
The stack height or “A” dimension (see
Fig. 2) is the overall height from the top of
the pipe to the top of the ball valve.
A. For standard (non Hot-Tap) installations:
The height of the weldolet (threadolet) and pipe adapter(s) should be determined before the sen
-
sor is purchased.
•
For retrofit installations, the stack height,
or “A” dimension (see Fig. 1), is the
overall height from the top of the pipe to
the highest point of the stack before the
sensor is connected.
•
For new installations, Signet recommends
a weldolet (threadolet) and an adapter
to accommodate the 1¼ in. (or 1½ in. for
2552-3) sensor process threads. The stack
height, or “A” dimension (see Fig. 1), is the
overall height from the top of the pipe to the
highest point of the stack.
Step 2: Determine how the sensor will be installed
Once the “A” dimension is determined, go to the sensor selection table and find your “A” dimension
on the left column. Next, find the appropriate pipe size at the top of the chart. To determine the cor
-
rect sensor size locate where the pipe size column meets the max “A” dimension row.
“A”
Dimension
Weldolet
or Saddle
Sensor
Housing
Sensor
Fig. 1
Standard installation with “A”
dimension using a weldolet
(threadolet)
“A”
Dimension
Weldolet
Nipple
Ball
Valve
Pipe
Wall
Sensor
Housing
Sensor
Fig. 2
Hot-Tap installation with “A”
dimension using a ball valve,
short nipple and weldolet
(threadolet)
Step 3: Refer to Ordering Information to select corresponding part numbers
Legend:
2: Use 3-2552-2,
max. insertion =
236 mm (9.3 in.)
3: Use 3-2552-3,
max. insertion =
368 mm (14.8 in)
inches
2
2.
5
3 to 31/2"
4
5
6 to 8"
10
12 to 14
"
16
18
20
22
24
26 to 28"
30 to 32"
34
36 to 38"
40 to 42"
48
54
60
66
72
78
84
102
DN
50
65
80 to 90
10
0
12
5
150 to 20
0
250
300 to 35
0
40
0
45
0
500
550
600
650 to 70
0
750 to 800
850
900 to 950
1000 to 1100
1200
1400
1500
1700
1800
2000
2100
2550
mm
inches
50.8
2
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3
63.5
2.5
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3
76.2
3
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3
88.9
3.5
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3
101.6
4
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3
114.3
4.5
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3
127
5
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3
139.7
5.5
2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 3 3 3 3 3 3 3 3 3 3
152.4
6
2 2 2 2 2 2 2 2 2 2 2 3 3 2 3 3 3 3 3 3 3 3 3 3 3
165.1
6.5
2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
177.8
7
2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
190.5
7.5
2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
228.6
9
2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
241.3
9.5
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
254
10
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
266.7
10.5
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
279.4
11
3 3 3 3 3 3 3 3 3 3 3 3
3 3 3
292.1
11.5
3 3 3 3 3 3 3 3 3 3 3
3
304.8
12
3 3 3 3 3 3 3 3 3 3
317.5
12.5
3 3 3 3 3 3 3 3
330.2
13
3 3 3 3 3 3 3
342.9
13.5
3 3 3 3 3 3
355.6
14
3 3 3 3 3
375.9
14.8
3 3
381
15
Pipe Size
Max. "A" Di
m
This chart is based on the thickest commonly available pipe.
Sensor Selection Guide

* Customer must determine stack height (ball valve, nipple, weldolet, etc.). Refer to Sensor Selection on previous page to determine “A” dimension.
** 1¼ inch process connection is the standard thread size on the 2552-2. For the 2552-3, the 1½ inch process connection is standard and the 1¼
inch is available as a special order.
Ordering Information
Model 2552 Metal Magmeter
Mfr. Part No.
Code
Description
Sensor insertion depth 9.3 inches*, 1¼ inch NPT Process Connection Threads**
3-2552-21-A-11
159 001 513 Fixed Cable, 7.6m (25 ft); no connector, Frequency or Digital (S
3
L); for use with any Signet
Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-21-A-12
159 001 514 Fixed Cable, 7.6m (25 ft); no connector, 4 to 20 mA output
3-2552-21-B-11
159 001 515 Watertight sensor connector (cable sold separately), 7.6m (25 ft); Frequency or Digital (S
3
L);
for use with any Signet Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-21-B-12
159 001 516 Watertight sensor connector (cable sold separately), 4 to 20 mA output
Sensor insertion depth 9.3 inches*, 1¼ inch ISO Process Connection Threads**
3-2552-22-A-11
159 001 517 Fixed Cable, 7.6m (25 ft); no connector, Frequency or Digital (S
3
L); for use with any Signet
Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-22-A-12
159 001 518 Fixed Cable, 7.6m (25 ft); no connector, 4 to 20 mA output
3-2552-22-B-11
159 001 519 Watertight sensor connector (cable sold separately), Frequency or Digital (S
3
L); for use with
any Signet Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-22-B-12
159 001 520 Watertight sensor connector (cable sold separately), 4 to 20 mA output
Sensor insertion depth = 14.8 inches*, 1½ inch (2552-3 only) NPT Process Connection Threads**
3-2552-33-A-11
159 001 521 Fixed Cable, 7.6m (25 ft); no connector, Frequency or Digital (S
3
L); for use with any Signet
Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-33-A-12
159 001 525 Fixed Cable, 7.6m (25 ft); no connector, 4 to 20 mA output
3-2552-33-B-11
159 001 523 Watertight sensor connector (cable sold separately), Frequency or Digital (S
3
L); for use with
any Signet Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-33-B-12
159 001 527 Watertight sensor connector (cable sold separately), 4 to 20 mA output
Sensor insertion depth = 14.8 inches*, 1½ inch (2552-3 only) ISO Process Connection Threads**
3-2552-34-A-11
159 001 522 Fixed Cable, 7.6m (25 ft); no connector, Frequency or Digital (S
3
L); for use with any Signet
Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-34-A-12
159 001 526 Fixed Cable, 7.6m (25 ft); no connector, 4 to 20 mA output
3-2552-34-B-11
159 001 524 Watertight sensor connector (cable sold separately), Frequency or Digital (S
3
L); for use with
any Signet Flow Instrument or the 8900 Multi-Parameter Controller
3-2552-34-B-12
159 001 528 Watertight sensor connector (cable sold separately), 4 to 20 mA output
Accessories and Replacement Parts
2120-1512
159 001 425 1½ x 1¼ inch NPT adapter for retrofitting 2540 installation to 2552 - 316 stainless steel
2120-2012
159 001 426 2 x 1¼ inch NPT adapter for retrofitting 2550 installation to 2552 - 316 stainless steel
3-2552.392
159 001 530 1¼ inch NPT full port stainless steel ball valve and nipple kit
3-2552.393
159 001 531 1¼ inch NPT full port brass ball valve & nipple kit
3-2552.394
159 001 532 1½ inch NPT conduit adapter, aluminum
4301-2125
159 001 533 1¼ inch NPT full port ball valve - brass
4301-3125
159 001 387 1¼ inch NPT full port ball valve - stainless steel
3-0252
159 001 808 Configuration tool
5541-4184
159 001 388 4-conductor, 22 AWG, water-tight connector, 4m (13 ft)
5541-4186
159 001 389 4-conductor, 22 AWG, water-tight connector, 6m (19.5 ft)
special order
special order
4-conductor, 22 AWG, water-tight connector, cable length in 25 ft increments
special order
special order
1¼ in. NPT or ISO Process Connection threads to replace 1½ in. NPT or ISO threads
Georg Fischer Signet LLC, 3401 Aerojet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. (626) 571-2770 • Fax (626) 573-2057
For Worldwide Sales and Service, visit our website: www.gfsignet.com • Or call (in the U.S.): (800) 854-4090
For the most up-to date information, please refer to our website at www.gfsignet.com
3-2552.090 Rev. 6 10/18 English
© Georg Fischer Signet LLC 2018