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Level Sensor - Sanitary

Model FLM-H

Magnetostrictive, high-resolution measuring principle, for sanitary applications.

Selected documents


  • Food and beverage industry
  • Pharmaceutical industry
  • Biotechnology
  • Level measurement in fermenters

Special features

  • Fully welded and dead space free
  • Operating limits:
    - Operating temperature: T = -40 ... +250 °C
    - Operating pressure: P = Vacuum to 10 bar
  • Insensitive to foaming, ideal for interface measurement
  • High-precision level measurement: Accuracy < 0.5 mm
  • Wide variety of hygienic process connections


The model FLM-H magnetostrictive sensor has been specifically designed for the requirements of the food and beverage, pharmaceutical and biotechnology industries. The sensor is particularly suitable for the special conditions of CIP/SIP cleaning processes, such as chemical stability towards cleaning liquids and high temperatures.

The guide tube is directly welded to the process connection, which guarantees a crevice-free connection, additional sealings are not required.

The sensor is supplied with a DC voltage of 10 ... 30 V. Available output signals are 4 ... 20 mA or 4 ... 20 mA with HART® signal.

The hygienically designed sensor housing, with an ingress protection of up to IP 68, offers a secure protection for external cleaning with splash water and enables its use in high-humidity environments.

The model FLM-H sensor fulfils the high demands of sanitary applications. It is marked with the 3-A symbol and current version number, as it conforms, based on a third party verification, to the 3-A standard.

Data Sheet

FLM-H Data sheet