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Vibronic Point level detection Liquiphant FTL51H

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Vibronic Point level detection Liquiphant FTL51H series
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Description

Application

The Liquiphant FTL51H is a point level switch equipped with an extension tube, designed for hazardous areas and compliant with all international safety certifications. It is particularly well-suited for the food and life sciences industries, holding hygienic certifications such as 3-A, EHEDG, and ASME BPE. The FTL51H is built for functional safety, meeting SIL2/SIL3 standards. Its reliable measurement performance remains unaffected by variations in media properties, flow, turbulence, gas bubbles, foam, vibrations, or build-up.

This point level switch is ideal for use with all types of liquids and features an electro-polished surface finish. It offers a wide range of process connections, including threaded, flanged, and hygienic options like Tri-Clamp, dairy coupling, aseptic, DRD, SMS, and Varivent.

  • Temperature range: -50°C to +150°C (-58°F to +302°F)
  • Pressure range: -1 to +64 bar (-14.5 to +928 psi)
  • Sensor material: 316L stainless steel

It also carries international certifications for explosion protection, overfill protection (WHG), SIL, hygienic standards, and marine applications.

 


Benefits

  • Holds international hygienic certifications, including 3-A, EHEDG, and ASME BPE, with FDA-compliant materials.
  • Features an electro-polished and passivated surface finish for enhanced cleanliness and durability.
  • Comes with international explosion protection and overfill protection (WHG) certifications.
  • Contains no mechanically moving parts, ensuring low maintenance, no wear, and long operational life.
  • Equipped with fork damage monitoring to ensure continued reliable function.
  • Suitable for use in safety systems requiring SIL2/SIL3 functional safety, as per IEC 61508 and IEC 61511-1 standards.
  • No calibration is needed, simplifying start-up and operation.
  • Offers a wide variety of standardized hygienic process connections, making it perfect for applications where hygiene is crucial.

 

SPECIFICATIONS

Pressure Specifications

Measuring principle

Vibration Liquids
Characteristic / Application

Premium device for point level detection

in hygienic/aseptic applications.

Focus Food & Beverage and Life Sciences.

Pipe extension up to 3 m (9,85 ft).

Modular & completely welded housing concept,

Wide range of certificates.

Specialities

Plug and play functionalities,

Surface finish: mechanical or electro-polished,

Density/Concentration measurement,

SIL 2/3 according to IEC 61508

Supply / Communication

PROFIBUS PA,

19 ..253V AC,

10...55V DC-PNP,

19...253V AC or 19...55V DC with relay DPDT,

8/16mA,

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 optional)

Main wetted parts 316L
Process connection

Threads (for weld-in adapter):

G3/4A, G1A,

Flange:

DN25...DN100,

ASME 1"...4",

JIS 25A...100A

Process connection hygienic

Tri-Clamp,

DIN 11851, DIN11864-1

Ingold,

Flush mount,

DRD,

SMS1145,

Varivent (Varinline)

Sensor length

Short tube (Liquiphant II)

148mm…3000mm (6,00…118")

Communication PROFIBUS PA
Certificates / Approvals

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

INMETRO Ex, NEPSI Ex

Safety approvals

Overfill protection WHG,

SIL 2/ SIL 3

Design approvals

Inspection certificate 3.1, EN10204,

CoC ASME BPE,

Conformity to cGMP,

EU Food Contact Material (EC) 1935/2004,

US Food Contact Material FDA CFR 21,

CN Food Contact Material GB 4806,

Declaration of Conformity ASME B31.3,

AD2000,

CRN approval

Hygienic approvals

3-A,

EHEDG,

CoC-ASME BPE

Marine approval GL/ ABS/ DNV
Options Customized settings (Density)
Components

FTL325P/FTL375P Interface PFM

FTL325N/FTL375N Interface NAMUR

Successor

FTL63

Density Specifications

Measuring principle

Vibration Density
 Characteristic / Application  Premium device for density measurement in hygienic/aseptic applications.

Focus Food & Beverage and Life Sciences.

Sensor with pipe extension up to 3 m (9,85 ft).

Modular housing or completely welded compact housing.

Wide range of certificates.

 Supply / Communication  via density controller FML621
 Ambient temperature  -40 °C...70 °C (-40...158 °F)
 Process temperature  0...80 °C (32…176 °F)
 Process pressure  0...25 bar (0…362 psi)
 Wetted parts  316L
 Hygienic  3A

EHEDG

 Sensor length  Short tube (Liquiphant II)

148mm…3000mm (6,00…118")

 Output  Pulse
 Certificates / Approvals  ATEX, FM, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI
 Specialities  Density/Concentration measurement in combination

with density controller FML621,

Surface finish: mechanical polished (up to 0.3 µm)

 Components  Density Computer FML621

 

Documents

You may want to read this product's catalog. If so, please click to view the Endress+Hauser Vibronic Point level detection Liquiphant FTL51H Series datasheet.
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