Stainless Steel Membrane Pressure Sensor aquaculture france

Stainless Steel Membrane Pressure Sensor

Stainless Steel Membrane Pressure Sensor

Operating principle

  • The sensor features a stainless steel membrane that deforms under the pressure of a liquid or gas.

  • This deformation is converted into an electrical signal using piezoresistive, capacitive, or piezoelectric technology, depending on the model.

  • The signal is then transmitted to a control or monitoring system.

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Construction

  1. Stainless steel membrane (commonly AISI 316L):

    • Corrosion-resistant, suitable for humid or mildly aggressive environments.

    • Available in standard or flush versions according to needs.

  2. Sensing element:

    • Integrated behind the membrane, it converts mechanical deformation into an electrical signal.

  3. Housing:

    • Usually stainless steel, ensuring robustness and durability.

    • Mechanical connection (thread, flange) and electrical output (cable or connector).

Advantages

  • Mechanical robustness and good corrosion resistance.

  • Suitable for many fluids, including water, oil, and some chemicals.

  • Versatile and cost-effective compared to other materials (like ceramic or titanium).

  • Available in hygienic versions for food and pharmaceutical applications.

Limitations

  • Less resistant to highly aggressive media (strong acids, concentrated seawater) than titanium or some polymers.

  • Risk of wear or pitting in the presence of high chloride concentrations.

Applications

  • Aquaculture: hydrostatic pressure measurement for pond level monitoring.

  • Food industry: monitoring liquid flows in processing lines.

  • Industrial: pump, tank, and hydraulic circuit control.

  • Light chemical industry: non-highly corrosive fluids.