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Magnetic Inductive Flow Meters


MAG-FLUX A

Magnetic-inductive sensor for a wide range of applications

Our magnetic-inductive sensors (MID) are precision measurement devices and suitable for linear flow measurement of almost all electrically conductive liquids, as well as slurries, pulps and pastes. Thanks to the magnetic field's properties, these devices can be used for flow speeds up to 10 m/s (32.8 ft/s) and for a minimum conductivity of 20 / 3 µS/cm.

The flow meter consists of a sensor and a corresponding measuring transducer. They are available both in separate and in compact designs.



Area of application:

The key applications for the mag-flux A magnetic-inductive sensor (MID) are in flow measurement of electrically conductive liquids such as e.g. water, pulps, pastes, slurries, acids, solvents, lyes, emulsions, or slurries, sand or water mixes, including liquids with a minimum conductivity of 20 / 3 µS/cm.


The magnetic-inductive flow meter is used in the following industries:
  • Plant and mechanical engineering
  • Fire safety
  • Chemicals
  • Building services equipment
  • Foodstuffs
  • Metal extraction, production and processing
  • Paper and cellulose
  • Oil and gas
  • Shipping
  • Water and wastewater industry
  • Cement and minerals

    • Advantages of the magnetic-inductive flow meter:
  • Reliability (long-term stability, service life)
  • Minimal maintenance requirements
  • Simple commissioning
  • High measurement accuracy
  • Flexible installation position (however the measuring tube must be completely full at all times)
  • Manufacturer's application expertise
  • Short lead times

    • Special features of the flow meter:
  • For nominal sizes from DN 15 (1/2") to DN 1000 (40"), on request up to DN 2000 (80")
  • Fully welded steel fitting (robust and interference-free)
  • Signal amplifier in sensor
  • Measuring tube internal diameter from 15 mm (0.591")
  • Pressure stages to 250 bar

    • Measuring tube lining:
  • Hard rubber
  • Soft rubber
  • PTFE
  • Custom linings

    • Various process connections and materials:
  • Flange: DIN, ANSI, JIS
  • Clamp on
  • Others on request
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    Operating principle pulsed constant field (DC)
    Measuring accuracy¹ error of measurement: ± 0,5 % of MV
    repeatability: ± 0,15 % of MV
    Liquids min. conductivity: 20 μS/cm (optional 3µS/cm)
    min. flow velocity: 0.25 m/s (0.82 ft/s)
    max. flow velocity: 10 m/s (32.8 ft/s)
    Temperature limits² soft rubber: 0 °C bis +90 °C
    hard rubber: 0 °C bis +90 °C
    PTFE liner: -20 °C bis +180 °C (16 bar)
    Tube materials stainless steel Mat. No. 1.4301
    (or better)
    Electrodes materials stainless steel Mat. No. 1.4571,
    Hastelloy® C4, titanium, tantalum,
    platinum, Monel®
    Process connections DIN 2501: DN 15 – DN 2000
    ANSI B16.5: 1/2" – 24"
    AWWA: 4" - 80"
    Table: DN 15 – DN 2000

    ¹ all values are valid from 0.25 m/s - 10 m/s (0.82 ft/s  - 32.8 ft/s)

    ² for PTFE the max. temperatur decreases with increasing pressure


  • Calibration
  • Service deployment (on-site inspection / maintenance)
  • Repair
  • Customer consulting by phone
  • Extended warranty (on request if required)
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