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SMF-M300-Electromagnetic Flow Meter

MF-M300S Split Type Smart Electromagnetic Flow Meter

Content

  • Working Principle: Operates on Faraday's law of electromagnetic induction, where a conductive fluid moving through a magnetic field generates a voltage proportional to its average velocity.

  • Measurement Capabilities: Offers bi-directional flow measurement with three internal totalizers (positive, reverse, net) and utilizes a 32-bit CPU for high-speed data processing.

  • Smart Features: Includes advanced diagnostics with real-time status alarms for empty pipes, excitation loop open circuits, and flow limit overrun.

  • Application-Specific Design: Engineered with a variation-restraint digital filter algorithm to handle frictional noise and "cuspidal disturbance" in solid-laden or fiber-heavy fluids like pulp and slurry.

  • Safety: Features integrated lightning protection with a gas discharger that safely routes electrical currents into the earth through the shell grounding terminal.



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  • Description
  • Specifications
  • Applications

Description

The SMF-M300S utilizes a split-body configuration, which is ideal for high-temperature, high-vibration, or inaccessible installation locations. The remote Smatec converter features a high-contrast LCD display and allows for complete configuration without opening the casing via infrared touch controls, enhancing safety in hazardous areas.
Specifications

  • Model: SMF-M300S (Split Type).

  • Nominal Diameter: DN10mm to DN2000mm.

  • Matching Accuracy: Standard 0.5% of rate (reaches up to ±0.3%R for velocity between 1–15m/s).

  • Velocity Range: 0.1 m/s to 15 m/s with a current velocity resolution of 0.5 mm/s.

  • Nominal Pressure: 0.6 MPa, 1.0 MPa, 1.6 MPa, 2.5 MPa, 4.0 MPa (high-pressure sensors customizable up to 25 MPa for limited sizes).

  • Lining Materials: PTFE (Teflon), PFA, F46, Polyurethane rubber, Polychloroprene rubber, and Soft rubber.

  • Electrode Materials: Stainless steel containing molybdenum, Hastelloy B, Hastelloy C, Titanium, Tantalum, and Platinum.

  • Output Signals: Fully isolated two-way 4–20mA analog current (load resistance 0~750Ω) and a programmable pulse/frequency output (up to 5000Hz) via photoelectric isolated open collector.

  • Digital Communication: RS485 (MODBUS RTU protocol), RS232C, and HART communication protocol.

  • Power Supply: 85V~265V AC (50Hz) or 24V DC.

  • Protection Class: Standard IP65, with an option to customize the split sensor to IP68 (submersible).

  • Explosion-Proof Mark: Ex d ia (ia Ga) q IIC T6 Gb.


Applications

  • Industries: Widely used in water supply and drainage, water treatment, chemical processing, petroleum, steel, electricity, coal, metallurgy, papermaking, food, and pharmaceutical industries.

  • Media: Highly suitable for general conductive liquids, highly corrosive chemicals (acids, alkalis, salts), and high-solid slurries such as ore pulp, mud, coal slurry, paper pulp, and paste liquid.


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