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Point level switch
Nivotester FTW325

Nivotester FTW325 ©Endress+Hauser

Point level switch with intrinsically safe signal circuit for connection to a conductive sensor

The Nivotester FTW325 is a point level switch with intrinsically safe signal circuit for connection to a conductive sensor. It has a compact housing for easy series mounting on a standard DIN rail in the cabinet.

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  • Benefits

    • Cost-effective point level switch for conductive liquids

    • Intrinsically safe signal circuit EEx ia IIC for using sensors in hazardous areas

    • Line monitoring up to the sensor

    • Configurable sensitivity range

    • Alarm relay can be switched as second level relay (SPDT)

    • Easy wiring thanks to pluggable terminal blocks

  • Field of application

    For point level detection in tanks for liquids also for hazardous areas. Overfill prevention for tanks with flammable or non-flammable water-polluting liquids. Pump dry running protection.

    • Mounting: Standard rails in cabinet

    • Two-point control and point...

Features and specifications



  • Measuring principle


  • Characteristic / Application

    2-channel level measurement device, level limit, switch delay, two-point control

  • Supply / Communication

    85V ... 253V AC
    20V ... 30V AC
    20V ... 60V DC

  • Ambient temperature

    -20 °C ... 60 °C
    (-4 °F ... 140 °F)

  • Min. density of medium

    min. 10 uS

  • Communication

    2 relays SPDT/DPDT

  • Certificates / Approvals


  • Safety approvals

    Overfill prevention WHG

Documents / Manuals / Software

Accessories / Spare parts

Order code
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