E+H Solicap FTI55 Capacitance Point Level Switch

Solicap FTI55 is a fully/partly insulated and robust rod probe for Point Level Switch of fine-grained to coarse-grained bulk solids. It offers maximum reliability due to its active build-up compensation and is suited for a wide range of applications thanks to numerous certificates and approvals. Due to its robust construction, it can also be used to provide accurate measurements in applications with very high lateral loads up to 300Nm.

  • Highest safety and reliability due to robust design for demanding process conditions
  • Cost savings thanks to easy and fast commissioning as calibration is performed at the press of a button
  • Universal application thanks to wide range of certificates and approvals
  • Two-stage overvoltage protection against static discharges from the silo
  • Active build-up compensation for bulk solids with caking tendency (under development)
  • Increased safety due to permanent automatic monitoring of electronics
  • Reduction in storage costs thanks to easy-to-shorten rod sku (for partial insulation) and rope sku (for partial and full insulation)

For applications with very high lateral loads up to 300Nm. Fieldgate and Solicap represent a solution for material provisioning and logistical optimization (inventory control)

  • Process connections: Flanges and threads
  • Measurement range: 200 to 4,000mm (4 to 157″)
  • Temperature: -50 to +180°C (-58 to +356°F)
  • Pressure: -1 to +25bar (-14.5 to +363psi)
  • International explosion protection certificates, SIL
  • Measuring principle

    Capacitive Solid

  • Characteristic / Application

    Fully / partly isulated rod probe for small-grain / large-grain bulk solids
    Simple calibration
    Suitable for abrasive media
    Very robust probe

  • Specialities

    Inactive length

    Active build-up compensation

    High lateral loading

    Extremely robust probe

  • Supply / Communication

    19 … 253V AC
    10 … 55V DC-PNP
    19…253V AC bzw 10…55V DC
    8/16mA, 11 … 36V DC

  • Ambient temperature

    -50°C … 70°C
    (-58°F … 158°F)

  • Process temperature

    -50°C … 180°C
    (-58°F … 356°F)

  • Process pressure absolute / max. overpressure limit

    Vacuum … 25 bar
    (Vacuum … 362 psi)

  • Main wetted parts

    PE, PPS, 316L, Steel

  • Process connection

    Thread R1 1/2, NPT1 1/2

    Flanges from DN50…/ASME 2″…/JIS…

  • Sensor length

    0.2m … 4m
    (8″ … 157″)

    Inactive length: 0.1m …1m

    (2″ … 39″)

  • Communication

    2- wire 19-253 VAC

    DC PNP 
    Relais DPDT
    8/16 mA

  • Certificates / Approvals


  • Safety approvals


  • Design approvals

    EN 10204-3.1

  • Components

    PFM: FTC325, FTC625, FTC470Z, FTC471Z
    3-wire: FTC325

  • Application limits

    DK min 2

Datasheet: Solicap M FTI55, FTI56 Technical Information

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