GF Signet 2552 Magmeter

Metal magmeter flow sensor for 2 to 102" pipes

The GF Signet 2552 magmeter flow sensor is a rugged, high-performance electromagnetic sensor designed for adjustable insertion installations. It can be paired with a ball valve for convenient hot-tap setups. Built with corrosion-resistant materials and featuring no moving parts, it ensures long-lasting reliability with minimal maintenance.

This versatile flow sensor is easy to install and provides accurate measurements across a wide dynamic range, accommodating pipe sizes from DN50 to DN2550 (2 to 102 inches). The GF Signet 2552 offers a variety of output options, compatible with GF Signet flow instruments using frequency or digital (S3L) inputs. It also supports blind transmitters with a 4 to 20 mA output or digital sensor interfaces for long-distance signal transmission.

Product Manual
Data Sheet
GF Signet 2552 Magmeter Flow Sensor

Key Features of the GF Signet 2552 Magmeter Flow Sensor

  • Quick-Release Design: Facilitates easy removal and re-installation, minimizing maintenance time and maximizing uptime.
  • Hot-Tap Installation: Allows for installation and servicing without the need to shut down your system, ensuring continuous operation.
  • Intuitive Diagnostics: Employs colored LED lights for immediate, easy-to-understand system diagnostics.
  • Versatile Output Options: Choose from frequency, digital (S3L), or a 4-20 mA output to perfectly match your existing control systems.
  • Advanced Flow Detection: Offers bi-directional flow monitoring and the ability to detect empty pipes, enhancing safety and accuracy.
  • Customizable Insertion: Adjustable to fit a wide range of pipe sizes up to DN2550 (102 inches), providing flexibility for diverse applications.
  • Broad Measurement Range: Accurately measures flow rates from 0.05 to 10 m/s (0.15 to 33 ft/s), accommodating both slow and fast-moving liquids.
  • Reliable in Tough Conditions: Specifically designed to measure flow in liquids with high solids content and dirty environments, ensuring robust performance where it’s needed most.

GF Signet 2552 Magmeter Ordering Information

Frequency or Digital (S³L) Output

For use with any Signet Flow or Multi-Parameter Instruments.

Fixed Cable, 7.6 m (25 ft); no connector
  • Mfr. Part No.: 3-2552-21-A-11
    Code: 159 001 513
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch NPT**
  • Mfr. Part No.: 3-2552-22-A-11
    Code: 159 001 517
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch ISO**
  • Mfr. Part No.: 3-2552-33-A-11
    Code: 159 001 521
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch NPT**
  • Mfr. Part No.: 3-2552-34-A-11
    Code: 159 001 522
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch ISO**
Watertight Sensor Connector; Cable Sold Separately
  • Mfr. Part No.: 3-2552-21-B-11
    Code: 159 001 515
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch NPT**
  • Mfr. Part No.: 3-2552-22-B-11
    Code: 159 001 519
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch ISO**
  • Mfr. Part No.: 3-2552-33-B-11
    Code: 159 001 523
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch NPT**
  • Mfr. Part No.: 3-2552-34-B-11
    Code: 159 001 524
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch ISO**

4 to 20 mA Output

Fixed Cable, 7.6 m (25 ft); no connector
  • Mfr. Part No.: 3-2552-21-A-12
    Code: 159 001 514
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch NPT**
  • Mfr. Part No.: 3-2552-22-A-12
    Code: 159 001 518
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch ISO**
  • Mfr. Part No.: 3-2552-33-A-12
    Code: 159 001 525
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch NPT**
  • Mfr. Part No.: 3-2552-34-A-12
    Code: 159 001 526
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch ISO**
Watertight Sensor Connector; Cable Sold Separately
  • Mfr. Part No.: 3-2552-21-B-12
    Code: 159 001 516
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch NPT**
  • Mfr. Part No.: 3-2552-22-B-12
    Code: 159 001 520
    Sensor Insertion Depth: 9.3 inches*
    Process Connection: 1¼ inch ISO**
  • Mfr. Part No.: 3-2552-33-B-12
    Code: 159 001 527
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch NPT**
  • Mfr. Part No.: 3-2552-34-B-12
    Code: 159 001 528
    Sensor Insertion Depth: 14.8 inches*
    Process Connection: 1½ inch ISO**

Note: Customer must determine stack height (ball valve, nipple, weldolet, etc.). Sensor strip must be positioned at 10% of pipe ID. The 1¼ inch process connection is standard on 3-2552-2X-X-XX. The 1½ inch connection is standard for the 2552-3 and the 1¼ inch is available as a special order.

Accessories and Replacement Parts

  • Mfr. Part No.: 2120-1512
    Code: 159 001 425
    Description: 1¼ x 1½ inch NPT adapter for retrofitting 2540 installation to 2552 – 316 SS
  • Mfr. Part No.: 2120-2012
    Code: 159 001 426
    Description: 2 x 1½ inch NPT adapter for retrofitting 2550 installation to 2552 – 316 SS
  • Mfr. Part No.: 3-2552.392
    Code: 159 001 530
    Description: 1¼ inch NPT full port stainless steel ball valve and nipple kit
  • Mfr. Part No.: 3-2552.393
    Code: 159 001 531
    Description: 1¼ inch NPT full port brass ball valve & nipple kit
  • Mfr. Part No.: 3-2552.394
    Code: 159 001 532
    Description: 1½ inch NPT conduit adapter, aluminum for -1 and -2 units
  • Mfr. Part No.: 4301-2125
    Code: 159 001 533
    Description: 1¼ inch NPT full port ball valve – brass
  • Mfr. Part No.: 4301-3125
    Code: 159 001 387
    Description: 1¼ inch NPT full port ball valve – stainless steel
  • Mfr. Part No.: 5541-4186
    Code: 159 001 388
    Description: 4-conductor cable assembly with water-tight connector, 4 m (13 ft)
  • Mfr. Part No.: 5541-4186
    Code: 159 001 389
    Description: 4-conductor cable assembly with water-tight connector, 6 m (19.5 ft)
  • Mfr. Part No.: Special Order
    Code: Special Order
    Description: 4-conductor cable assembly with water-tight connector, cable length in 25 ft increments
  • Mfr. Part No.: Special Order
    Code: Special Order
    Description: 1½ in. NPT or ISO process connection threads to replace 1½ in. NPT or ISO threads
  • Mfr. Part No.: 3-0252
    Code: 159 001 808
    Description: Configuration Tool

The GF Signet 2552 Magmeter Flow Sensor is used in the following applications:

  • Municipal Water Distribution
  • Process and Coolant Flow
  • Chemical Processing
  • Wastewater
  • Mining Applications
  • Water Process Flow
  • HVAC