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Point level switch
Liquiphant FTL71

Point level switch with extension tube for liquids in high-temperature applications

  • Liquiphant FTL71 ©Endress+Hauser
  • Vibronic measuring principle

  • Liquiphant with permanent function check is the safe choice for point level detection in liquids

Liquiphant FTL71 is a point level switch with extension tube for use in hazardous areas with all international certificates. FTL71 is especially designed for applications with high process temperatures up to 280°C and can be used up to SIL2, in homogeneous redundancy up to SIL3. An integrated second line of defense offers the highest degree of safety. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.


  • Use in safety systems requiring functional safety to SIL2 in accordance with
    IEC 61508/IEC 61511-1

  • With welded gas-tight feed-through maximum safety in the event of damaged sensor

  • Wide variety of electronics, e.g. NAMUR, relay, thyristor, PFM signal output: the right connection for every process control system

  • Large number of process connections to choose from: universal usage

  • No calibration: quick, low-cost start-up

  • No mechanically moving parts: no maintenance, no wear, long operating life.
    Monitoring of fork for damage: guaranteed function

  • FDA approved materials (PFA Edlon)

Domeniu de aplicare

Point level switch for all liquids.

  • Process connections: Threads and flanges

  • Temperature: -60 to +280°C (-76 to +540°F)

  • Pressure: -1 to +100bar (-14.5 to +1,450psi)

  • Sensor material: 316L, Alloy (PFA and Enamel on request)

  • International explosion protection certificates, overfill prevention WHG, SIL, marine approvals

Caracteristici şi specificaţii

Documente / Manuale / Software

Accesorii / Piese de schimb

Predecesor / Succesor

Predecesor: Rod probe 11500Z, Rod probe 11500ZM, CS5603, CS5613


Endress+Hauser Romania SRL
Splaiul Independentei 319 C 060044 Bucharest România
Tel.: +40 (21) 315 90 67
Fax: +40 (21) 315 90 63

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