Level Measurement & Control


Level sensor in hygienic design

April 2015 Level Measurement & Control

For sanitary applications, WIKA has developed a magnetostrictive level sensor in hygienic design. The model FLM-H sensor, certified in accordance with 3A Sanitary Standards, measures the level in tanks and vessels to an accuracy of 0,5 mm. The level is detected continuously, regardless of any physico-chemical changes of state in the media, such as foaming or boiling effects.

This measuring instrument, based on the float principle, even operates reliably with CIP/SIP processes – cleaning liquids and elevated temperatures do not have any negative influences. The guide tube is directly welded to the process connection. This leads to a crevice-free joint between the connection and the measuring cell, without the need for additional seals.

The 4-20 mA output of the sensor, also available with HARTprotocol, transmits the signal even over long distances. The level is displayed proportional to volume or height.

No calibration is required following installation. The sensor is suitable for SIL 2 (IEC 61508).



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