Model RLS-4000

Float switch

For industrial applications, intrinsic safety Ex i

Selected documents
Sales contact

WIKA Instrumentation PTE. LTD.

Tel.:
+65 6844 5506
Fax:
+65 6844 5507
info@wika.sg

Applications

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

Special features

    • Media compatibility: Oil, diesel, refrigerants and other liquids
    • Level: Up to 4 switching outputs, freely definable as normally open, normally closed or change-over contact
    • Level and temperature: Up to 3 switching outputs, freely definable as normally open, normally closed or change-over contact and 1 bimetal temperature switch or Pt100/Pt1000, accuracy: Class B
    • Potential-free switching reed contacts

Description

The model RLS-4000 float switch with optional temperature output has been designed for the recording of level and temperature at hazardous measuring points. The stainless steel used is suitable for a multitude of media, such as, for example, oil, 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.

The optional temperature output enables the medium temperature to be monitored by means of a preconfigured bimetal temperature switch or a Pt100/Pt1000 resistance signal.

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