Vibronic Point Level Switches

    Proven tuning fork technology delivering fail-safe point level detection for liquids with zero maintenance and no calibration required

    No CalibrationSIL2/3 Certified-196°C to +450°C5M+ Installed

    Liquiphant FTL8x Product Family

    Industry-proven vibrating fork switches for every point level application

    Liquiphant FTL8x Series

    Tuning Fork Technology

    Reliable point level detection with vibrating fork technology for liquids, offering unmatched safety and reliability in critical applications

    Liquiphant FTL81

    Compact vibrating fork for standard point level detection

    Sensitivity: Density from 0.5 g/cm³

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    Key Features
    • Proven tuning fork technology
    • No calibration required
    • Unaffected by flow or turbulence
    • LED status indication
    Technical Specifications
    Temperature Range:
    -50°C to +150°C
    Pressure Rating:
    Up to 40 bar
    Fork Length:
    40 mm standard
    Response Time:
    < 0.5 seconds

    Liquiphant FTL85

    High-end vibrating fork with Heartbeat Technology and advanced diagnostics

    Sensitivity: Density from 0.5 g/cm³

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    Key Features
    • Heartbeat Technology verification
    • Advanced frequency monitoring
    • Buildup and corrosion detection
    • Extended diagnostics package
    Technical Specifications
    Temperature Range:
    -196°C to +450°C
    Pressure Rating:
    Up to 160 bar
    Safety Rating:
    SIL2/SIL3
    Communication:
    HART, IO-Link

    Liquiphant FTL83

    Hygienic vibrating fork for food, beverage, and pharmaceutical applications

    Sensitivity: Density from 0.7 g/cm³

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    Key Features
    • 3-A and EHEDG certified
    • CIP/SIP compatible to 150°C
    • Electropolished finish
    • FDA-approved materials
    Technical Specifications
    Hygienic Approvals:
    3-A, EHEDG, FDA
    Surface Finish:
    Ra < 0.8 μm
    Process Connections:
    Tri-Clamp, DIN 11851
    Material:
    316L stainless steel

    Critical Applications

    Trusted for safety-critical point level detection across all industries

    Overfill Protection

    SIL2/3 certified safety systems for tank overfill prevention

    Pump Protection

    Dry run protection and pump control in sumps and tanks

    Interface Detection

    Reliable detection between two immiscible liquids

    Leak Detection

    Early warning systems for leaks in bunds and containment areas

    Why Choose Liquiphant?

    The industry standard for reliable point level detection

    No calibration required - works with any liquid density > 0.5 g/cm³

    Unaffected by foam, turbulence, bubbles, or solid particles

    Heartbeat Technology provides predictive maintenance capabilities

    SIL2/SIL3 safety certification for critical applications

    Proven reliability with over 5 million installations worldwide

    Wide temperature range from cryogenic to 450°C applications

    Over 5 million installations worldwide since 1981

    Ensure Reliable Point Level Detection

    Experience the proven reliability of Liquiphant vibrating fork technology