SIEMENS SITRANS FM MAG 5100 W Electromagnetic Flow Sensor


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Siemens SITRANS FM MAG 5100 W electromagnetic flow sensor is purpose-built to cater to a wide range of water-related applications, including ground water, drinking water, wastewater, sewage, and sludge management.

This versatile sensor finds extensive use in various fields such as water abstraction, treatment, distribution networks, custody transfer water meters, irrigation systems, wastewater treatment facilities, and filtration plants, including reverse osmosis and ultra-filtration processes.


With its robust design and reliable performance, the SITRANS FM MAG 5100 W is an ideal choice for both municipal and industrial water applications.

  • DN 15 to DN 300 (½” to 12″)
  • Included in Quick Ship Program (delivery time see PIA LCP)
  • Most used flowmeter in the chemical and process industries with PTFE/PFA liner and Hastelloy electrodes
  • Excellent chemical resistance

Full scope of global approvals for hazardous areas:

    • ATEX, FM, CSA, IEcEx
    • 24 V and 115/230 V Ex compact and remote
    • intrinsically safe ia analog output
  • Comprehensive self-diagnostic for error indication and error logging
  • Fully welded construction provides a ruggedness that suits the toughest applications and environments.
  • Easy commissioning, the SENSORPROM unit automatically updates settings.
  • Conforming to NAMUR recommendations NE 21, NE 32, NE 43, NE 53 and NE 70

Product Data Sheet – Siemens SITRANS FM MAG 5100 W Electromagnetic Flow Sensor

Operation Manual – Siemens SITRANS FM MAG 5100 W Electromagnetic Flow Sensor




Electromagnetic flow sensor

From DN 15 to DN 2000 (1″ to 78″)


(Measuring Range)

0 to 10 m/s
Output Dependent of Configuration

4 … 20mA

Measuring Accuracy Dependent of Configuration

0.2 % ±2.5 mm/s

Operating conditions Dependent of Configuration

Max. 16 bar (Max. 150 psi)

From -10 to 70 °C (14 to 158 °F)

Degree of Protection IP66 or IP67 with suitable cable glands
Weight Dependent of Configuration
Electrical Connections Dependent of Configuration
Explosion Protection IECEx
General Approvals Custody transfer approvals



PTB K7.2 (Germany)

BEV OE12/C040 (Austria)

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SIEMENS SITRANS FM MAG 5100 W Electromagnetic Flow Sensor

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