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Point level detection
Soliphant FTM21

Compact limit switch with extension tube for bulk solids with stainless steel housing (316L)

  • Soliphant FTM21 ©Endress+Hauser
  • Vibronic measuring principle

Soliphant FTM21 is a point level switch for applications with fine-grained or coarse-grained, non-fluidized bulk solids. The various designs means the device has a wide range of applications. Certificates are also available for use in dust and hazardous areas.


  • No calibration required, easy commissioning (plug and play)

  • Measurement not affected by build-up or external vibration

  • No mechanically moved parts, free of maintenance

  • Sensor material 316L, abrasion resistant even with building materials

  • Plastic housing with cover with sight glass, switch status visible from outside;
    also aluminium housing available

  • Not affected by flow noises

  • Available with explosion protection certificates

Field of application

Point level switch for fine grained solids

  • Process connections: Threads

  • Temperature: -40 to +150°C (-40 to +300°F)

  • Pressure: -1 to +25bar (-14.5 to +360psi)

  • Sensor length: 500mm, 1,000mm, 1,500mm

  • Sensor material: 316L

  • International explosion protection certificates

Features and specifications

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Endress+Hauser Inc.
2350 Endress Place Greenwood , IN 46143 United States
Tel.: 888-363-7377
Fax: 317-535-8498
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