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Signet 2552 Metal Magmeter
*3-2552.090*
3-2552.090
Rev. 6 10/18
3-2552-2
3-2552-3
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Description
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
L Digital output enables multi-channel compatibility with the
3
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.
Table of Contents
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
L) Output Wiring ...................................................................... 9
3
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
Operating Instructions
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Summary of Contents for GF Signet 2552
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Page 1: Table Of Contents
3-2552-2 3-2552-3 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). -
Page 2: Warranty Information
All warranty and non-warranty repairs being returned must of this or any product with electronic components. include a fully completed Service Form and goods must be returned to your local GF Sales office or distributor. Specifications Product returned without a Service Form may not be warranty replaced or repaired. - Page 3 DN1200 (122 cm or 48 inches) with a fluid Do not use hot-tap installation where temperatures velocity exceeding 3 m / s (10 ft / s), contact your will exceed 40 °C or if hazardous liquids are present. local sales office for technical assistance. Signet 2552 Metal Magmeter...
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Page 4: Dimensions
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. O.K. O.K. O.K. +GF+ 20 x ID +GF+ Signet 2552 Metal Magmeter... -
Page 5: Horizontal Installation
Connect the SHIELD conductor to Earth ground near the instrument. 10 cm to 1.3 m 10 cm to 1.3 m (4 in. to 50 in.) (4 in. to 50 in.) Grounding rings on plastic pipe (Installed between flanges) Signet 2552 Metal Magmeter... -
Page 6: Preparing For Installation
Hardware Stack Height If there is insufficient clearance to accommodate the hardware, select a longer 2552 Magmeter or Wall Thickness modify the hardware to reduce the stack height. 10% of inside diameter Signet 2552 Metal Magmeter... -
Page 7: Magmeter Installation
Secure the set screw sufficiently to prevent the outer housing from spinning. Wear gloves to grip the outer sensor housing. Do not tighten the set screw yet. It may require additional adjustment. FLOW → FLOW → FLOW → Set Screw Set Screw Signet 2552 Metal Magmeter Set Screw Wrench... - Page 8 Loosen the locking set screw on the process connector nut. Use one pipe wrench to hold the valve in place while turning the process connector nut with a second wrench. UNDER PRESSURE! g. Do not damage the locking set screw when using tools. Signet 2552 Metal Magmeter...
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Page 9: Frequency Output Wiring
Analog Output 1 Blue Shield (if applicable) Shield Analog Output 2 (if applicable) The maximum cable length from the 2552 to the 8900 depends on the 8900 configuration. Refer to the 8900 manual for complete information. Signet 2552 Metal Magmeter 9900 Frequency... -
Page 10: To 20 Ma Loop Output Wiring
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.). Signet 2552 Metal Magmeter... -
Page 11: Calibration Data
21.0 210.31 13 29/32 353.1 0.448 1.694 67037 17711 20/STD 24.00 0.38 23.3 8 6/32 207.77 13 26/32 350.5 0.365 1.382 82172 21710 24.00 0.50 23.0 8 3/32 205.23 13 22/32 348.0 0.373 1.412 80414 21246 Signet 2552 Metal Magmeter... - Page 12 0.0823 1379139 364369 96.00 0.500 95.00 29/32 22.35 152.40 0.02 0.0828 1371909 362459 102.00 0.38 101.25 13/32 9.65 5 29/32 149.86 0.02 0.0729 1558362 411720 102.00 0.50 101.00 10/32 7.11 10/32 7.11 0.02 0.0732 1550676 409690 Signet 2552 Metal Magmeter...
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Page 13: Technical Support
Sensitivity: Factory setting is 25% of full scale Can be customized to any % of full scale MONITOR/VERIFY SENSOR The MONITOR/VERIFY SENSOR function in the Signet 3-0252 Setup Tool software is very useful as a system troubleshooting tool. Signet 2552 Metal Magmeter... -
Page 14: Troubleshooting
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. Signet 2552 Metal Magmeter... -
Page 15: Sensor Selection
279.4 292.1 11.5 304.8 317.5 12.5 Pipe 330.2 Wall Sensor 342.9 13.5 355.6 375.9 14.8 This chart is based on the thickest commonly available pipe. Step 3: Refer to Ordering Information to select corresponding part numbers Signet 2552 Metal Magmeter... -
Page 16: Ordering Information
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 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);...
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