Model RLS-1000

Float switch

For industrial applications

Selected documents
Sales contact

WIKA Instrumentation Corporation (Thailand) Co., Ltd.

+66 2 3266876
+66 2 3266874


    • Level measurement of liquids in machine building
    • Control and monitoring tasks for hydraulic power packs, compressors and cooling systems

Special features

    • Media compatibility: Oil, water, diesel, refrigerants and other liquids
    • Permissible medium temperature range: -30 ... +150 °C (-22 ... +302 °F)
    • Up to 4 switching outputs freely definable as normally open, normally closed or change-over contact
    • Potential-free switching reed contacts


The model RLS-1000 float switch has been developed for monitoring the level of liquids. The stainless steel used is suitable for a multitude of media, such as, for example, oil, water, diesel and refrigerants.

Measuring principle
A permanent magnet built into the float triggers, with its magnetic field, the potential-free reed contacts built into the guide tube. The triggering of the reed contacts by the permanent magnet is contact-free and thus free from wear. Depending on customer wishes, the switching functions of normally open, normally closed or change-over can be realised for the defined liquid level.

Float switch
  • Float switchWIKA - Level monitoring with float switch
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