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Vibronic Point level detection Liquiphant FTL50

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Vibronic Point level detection Liquiphant FTL50 series
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Description

The Liquiphant FTL50 is a point level switch designed for hazardous environments and certified with all major international standards. It is suitable for a wide range of industries, ensuring reliable performance even under challenging conditions. With functional safety compliance to SIL2/SIL3 and a second line of defense, the device ensures maximum safety and availability. Its accuracy is unaffected by changing media characteristics, flow variations, turbulence, gas bubbles, foam, vibrations, or material buildup.

This point level switch is ideal for use with any type of liquid.

  • Process connections: Available in threaded, flanged, and hygienic (Tri-Clamp) options.
  • Operating temperature: -50 to +150°C (-58 to +302°F).
  • Pressure range: -1 to +64 bar (-14.5 to +928 psi).
  • Sensor material: Made from 316L stainless steel or high-corrosion-resistant alloy.

The FTL50 is certified for international explosion protection, overfill prevention (WHG), SIL compliance, and marine applications.

 


Benefits

  • Suitable for safety systems requiring functional safety to SIL2/SIL3 according to IEC 61508/IEC 61511-1.
  • Certified for international explosion protection and overfill prevention (WHG).
  • No need for calibration, offering quick and easy startup.
  • No mechanical moving parts, minimizing maintenance, wear, and extending operational life.
  • Fork monitoring ensures functional reliability.
  • The second line of defense provides additional environmental protection.
  • Wide selection of standardized process connections to suit various applications.
  • Constructed with durable materials: 316L stainless steel and high-corrosion-resistant alloys.

 

SPECIFICATIONS

Pressure Specifications

Measuring principle Vibration Liquids

Characteristic / Application

Modular housing concept

wide range of process connections

Analogue and bus interfaces

Extensive certificate range (e.g. Ex,WHG)

compact, e.g. pipes

Specialities

Foamdetection

Detekt a densitychange

second line of defense

Supply / Communication

PROFIBUS PA

19...253V AC

10...55V DC-PNP

19...253V AC or 10...55V DC

8/16mA, 11...36V DC

NAMUR

PFM

Ambient temperature

-50 °C...+70 °C

(-58 °F...+158 °F)

Process temperature

-50 °C...+150 °C

(-58 °F...+302 °F)

Process pressure / max. overpressure limit

Vacuum...64 bar

(Vacuum...928 psi)

Min. density of medium 0.5g/cm³(0.4g/cm³ option)

Main wetted parts

316L, Alloy

Process connection

Thread:

G3/4A, G1A, R3/4", R1, NPT3/4, NPT1

Flange:

DN25...DN100,

ASME 1"...4",

JIS 25A...100A

Process connection hygienic

Tri-Clamp ISO2852

Communication

PROFIBUS PA

19...253V AC

10...55V DC-PNP

19...253V AC or 10...55V DC

8/16mA, 11...36V DC

NAMUR

PFM

Certificates / Approvals

ATEX, FM, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI

Safety approvals SIL2/ SIL3
Design approvals

EN 10204-3.1

NACE MR0175, MR0103

ASME B31.3

AD2000

Marine approval

GL/ ABS/ DNV
Options Heavy duty stainless steel housing mainly for the oil and gas industry
Components

FTL325P/FTL375P Interface PFM

FTL325N/FTL375N Interface NAMUR

Successor

Liquiphant FTL51B

 

Density Specifications

Measuring principle Vibration Density
Characteristic / Application

Liquiphant M Density

with Density Computer FML621

Temperature and pressure measurement

Modular housing concept

Wide range of process connections

Supply / Communication Transmitter power supply (MUS)
Ambient temperature

-50...70°C

-50...60°C for hazardous applications

Process temperature

0...80°C (validity of accuracy data)

-50...0°C /80...150°C (with reduced technical data)

Process pressure

0...25 bar

>25...64 bar (with reduced technical data)

Wetted parts 316L/C4
Sensor length Compact: 50.5 mm
Output Pulse
Certificates / Approvals ATEX, FM, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI
Specialities Commissioning with ReadWin2000
Components Density Computer FML621
Other approvals and certificates SIL2/ SIL3

 

Documents

You may want to read this product's catalog. If so, please click to view the Endress+Hauser Vibronic Point level detection Liquiphant FTL50 Series datasheet.
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