SITRANS FM MAG 3100 is an electromagnetic flow sensor with a large variety of liners, electrode material and with grounding electrodes as standard, all this ensures a perfect fit for almost every flow application. 

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In order to have a complete flowmeter, please combine it with one of the following MAG transmitters:

SITRANS FM MAG 5000: Cost efficient transmitter, accuracy of + 0.4 % of flow rate

SITRANS FM MAG 6000: Bus communication, batch function and accuracy of + 0.2 % of flow rate

SITRANS FM MAG 6000 I: Alu enclosure, Ex approvals, bus communication, batch function and accuracy of + 0.2 % of flow rate


  • Fully welded construction that is extremely rugged and can withstand special process conditions using extreme measurement electrodes
  • Universal applications - lining and electrodes available for every application
  • High temperature version available up to 356 °F
  • Approved for use in potentially explosive atmospheres
  • SITRANS FM portfolio - our integrated platform enables flexible use of the MAG 5000 / 6000 transmitter for all products (MAG 5100 / 3100/1100):
    • Unique SensorProm technology - stores critical, sensor-specific data and passes it to the transmitter. This allows a simple, flexible commissioning of the sensor.
    • Plug & Play - allows easy on-site replacement and commissioning of the transmitter in just minutes
    • "Hot swapable" - exchangeable during operation
    • Mounting flexibility - compact or separate installation possible
    • Validated calibration ensures accurate flow measurement. Each Siemens flowmeter is calibrated in facilities that are individually accredited to ISO / IEC 17025.
    • Service and diagnostics - designed for MAG on-site verification with traceable certification. Regular calibration of the SITRANS FM Verificator ensures accuracy in the field.


Measuring range

0 to 10 m/s

Nominal Sizes

From DN 15 to DN 2000 (½" to 78")


0.2 % ±1 mm/s

Operating Pressure

Max. 100 bar (Max. 1450 psi)

Ambient temperature

From -40 to 100 °C (-40 to +212 °F)

Medium temperatura

From -40 to 180 °C (-40 to 356 °F)

AISI 316 Ti (1.4571)
Hastelloy C
Carbon steel (or AISI 304) with corrosion resistant two component epoxy coating or AISI 316 L polished flanges and housing
General approvals
E.g.: ATEX, FM, CSA, CT and Drinking Water approvals

Application Examples: process industry, chemical industry, steel industry

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Service offers

To remain competitive, companies in industry must ensure – and ideally increase – the availability and productivity of machines and plants. As your partner, we offer a unique range of services and support based on our extensive technology and industry expertise.

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As your partner, we offer a unique range of services and support based on our extensive technology and industry expertise. With our offerings, you can expect a high degree of reliability and a successful digital future for your company.

Well trained for excellent handling

Receive standardized or individual expertise directly from the manufacturer – with training centers in more than 60 countries.

Safety integrated

Safety is key in the process industries. A failure in instruments relevant for safety may have serious implications for humans, the process and the environment. Therefore, a wide range of our process instruments come with on-board safety features for maximum risk reduction.


Whatever your process challenge - SITRANS FM has you covered

Monitoring your processes with accurate electromagnetic flow measurement leads to higher transparency, improved productivity - and a better bottom line. To optimize every operation, Siemens offers a comprehensive selection of electromagnetic flow sensors, transmitters and complete flow systems.

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