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Capacitance
Level measurement
Liquicap FMI21

Liquicap FMI21 ©Endress+Hauser

For continuous level measurement in conductive liquids

Liquicap FMI21 is a simple and cost-effective rod probe for continuous level measurement for conductive liquids. High quality non-corrosive materials (carbon fibre, stainless steel) make it suitable even for aggressive liquids (e.g. acids and alkalis). Used in conjunction with the Fieldgate FXA320 (remote measured value interrogation using Internet technology), Liquicap is an ideal solution for Inventory Management Solutions.

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Fundamental

Få dækket dine basale målebehov

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  • F
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Lean

Administrer nemt dine kerneprocesser

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  • F
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Extended

Optimer dine processer med innovative teknologier

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  • F
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Xpert

Til de mest udfordrende applikationer

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  • Oversigt over specifikationer

    • Accuracy

      < 1%

    • Process temperature

      -40 °C ... 100 °C
      (-40 °F ... 212 °F)

    • Process pressure absolute / max. overpressure limit

      Vacuum ... 10 bar
      (Vacuum ... 145 psi)

    • Max. measurement distance

      2.5 m (8 ft)

    • Main wetted parts

      Probe rods:
      316L/1.4404 / PP
      Option: carbon fibre PP coated

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Individuel konfiguration

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  • Fordele

    • Safe and reliable function regardless of tank geometry

    • No calibration necessary (factory preconfiguration)

    • High quality, non-corrosive materials (carbon fibre, stainless steel) for use in aggressive liquids

    • No moving parts in tank

    • Cost-effective solution...

  • Anvendelsesområde

    The device is preconfigured from factory 0 to 100% to probe length ordered. It can be used as of a conductivity of 30μS/cm and the measurement is independent of the dc-value (dielectric constant) of the liquid. Suited for cistern measurements.

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Funktioner og specifikationer

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Details

  • Measuring principle

    Capacitive

  • Characteristic / Application

    Two-rod probe
    Preconfigured from factory 0%...100%
    High quality, non-corrosive materials (carbon fibre, stainless steel)

    Suitable for aggressive liquids (many acids and alkalis)

  • Specialities

    Probe shorting kit available

  • Supply / Communication

    10 ... 30VDC

  • Accuracy

    < 1%

  • Ambient temperature

    -40 °C ... 70 °C
    (-40 °F ... 158 °F)

  • Process temperature

    -40 °C ... 100 °C
    (-40 °F ... 212 °F)

  • Process pressure absolute / max. overpressure limit

    Vacuum ... 10 bar
    (Vacuum ... 145 psi)

  • Main wetted parts

    Probe rods:
    316L/1.4404 / PP
    Option: carbon fibre PP coated

  • Process connection

    G 1½
    NPT 1½

  • Sensor length

    Total length of probe 2.5 m

  • Max. measurement distance

    2.5 m (8 ft)

  • Communication

    4 ... 20 mA

  • Certificates / Approvals

    ATEX, CSA, CSA C/US

  • Safety approvals

    Overfill prevention WHG

  • Options

    Display

  • Application limits

    Changing, non-conductive
    media, conductivity
    < 3 0 μS/cm

    Highly viscous liquids
    > 2 000 cst

Dokumenter / Vejledninger / Software

Tilbehør / Reservedele

Nr
Order code
Specification
  • 20
    • Nr 20 Order code 52025605

      Cover F16 high, transparent, gasket

      Display cover, gasket EPDM. Usage: housing Polyester, FMI21, FMI51/FMI52, FMU30.

    • Nr 20 Order code 52025606

      Cover F16 grey, PBTP, gasket

      Gasket EPDM. Usage: housing F16 Polyester, FMI21, FMI51/FMI52, FMU30, FTI51/FTI52/ FTI55/FTI56, FTI77, FTL50/FTL51/FTL51C/ FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTW31/FTW32.

  • 21
    • Nr 21 Order code 52004137

      O-ring 71.0x3.55 EPDM, 5 pieces

      Usage: cover, housing F16, Polyester.

  • 30
  • 40
    • Nr 40 Order code 52025604

      Digital display, holder

      4-digit + 0-100% bargraph display. Holder. Please order high transparent cover separately. Usage: FMI21.

  • 55
    • Order code 52024300

      Shorting kit FMI21

      Usage: Liquicap T.

    • Order code 71127760

      Protection cover F16 housing

      Usage: FDR56, FMI21, FMI51/FMI52, FQR56, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52, FTR20, FTW31/FTW32/FTW33.

  • 57
    • Nr 57 Order code 52014047

      Sealing ring G1-1/2, 48x55 FA, 5 pcs.

      Process gasket DIN7603-A. Usage: process connection, FMI21, FMI51/FMI52, FTI51/FTI52, FTI55, FTW31/FTW32, FMP51/FMP57, FMR60/FMR62/FMR67, Sliding sleeve G1-1/2 316L (52003665), 316L,3.1 (52011882), FTL51, FTL71,FTL81, AlloyC4 (52003666), FTL51, FTL71.

    • Order code 52014146

      Mounting nut G1-1/2

      Hexagon, SW60. Usage: Liquipoint T, Liquicap T, Prosonic M FMU40, Prosonic T FMU30, FMR10, FMR20.