Signet 2551 Magmeter Flow Sensor

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Signet 2551 Magmeter Flow Sensor
2551 Magmeter Flow Sensor

The Signet 2551 Magmeter is an insertion style magnetic flow sensor that features no moving parts. The patented* sensor design is available in corrosion-resistant materials to provide long-term reliability with minimal maintenance costs. Material options include PP with stainless steel, PVDF with Hastelloy-C, or PVDF with Titanium. Utilizing the comprehensive line of Signet installation fittings, sensor alignment and insertion depth is automatic. These versatile, simple-to-install sensors deliver accurate flow measurement over a wide dynamic range in pipe sizes ranging from DN15 to DN900 (½ to 36 in.), satisfying the requirements of many diverse applications.

Signet 2551 Magmeters offer many output options of frequency/digital (S3L) or 4 to 20 mA which are available on both the blind and display versions. The frequency or digital (S3L) sensor output can be used with Signet’s extensive line of flow instruments while the 4 to 20 mA output can be used for a direct input to PLCs, chart recorders, etc. Both the 4 to 20 mA output and digital (S3L) sensor interface is available for long distance signal transmission. An additional benefit is the empty pipe detection which features a zero flow output when the sensors are not completely wetted. Also, the frequency output is bi-directional while the 4 to 20 mA output can be set for uni- or bi-directional flow using the display or the 3-0252 Configuration Tool which connects to PCs for programming capabilities. In addition, the display version of the 2551 Magmeter is available with relays and features permanent and resettable totalizer values, which can be stored and seen on the display. The display also contains multi-languages in English, Spanish, German, French, Italian and Portuguese menu options.

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  • Test certificate included for -X0, -X1
  • Patented Magmeter technology*
  • No moving parts
  • Bi-directional flow
  • Empty pipe detection
  • Installs into pipe sizes DN15 to DN900 (0.5 to 36 in.)
  • Operating range 0.05 to 10 m/s (0.15 to 33 ft/s)
  • Accurate measurement even in dirty liquids
  • Polypropylene and PVDF retaining nuts standard, Valox optional
  • 4 to 20 mA, digital (S3L), frequency, relay output (Display only)
  • No pressure drop
  • Corrosion resistant materials; PP or PVDF with SS, Hastelloy-C, or Titanium
  • Multi-language display menu available


  • Chemical Processing
  • Water and Wastewater Monitoring
  • Metal Recovery and Landfi ll Leachate
  • Commercial Pools, Spas, and Aquariums
  • HVAC
  • Irrigation
  • Scrubber Control
  • Neutralization Systems
  • Industrial Water Distribution


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