Specs at a glance
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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)
Field of application
Liquiphant FTL50 is a point level switch for use in hazardous areas with all international certificates. Useable in all industries. FTL50 offers functional safety SIL2/SIL3. With the second line of defense the highest degree of safety and availability of the device can be guaranteed. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.
Point level switch for all liquids.
Process connections: Threads, flanges and hygienic process connection (Tri-Clamp)
Temperature: -50 to +150°C (-58 to +302°F)
Pressure: -1 to +64bar (-14.5 to +928psi)
Sensor material: 316L, Alloy
International explosion protection certificates, overfill protection WHG, SIL, marine approvals
Benefits
Use in safety systems requiring functional safety to SIL2/SIL3 in accordance with
IEC 61508/IEC 61511-1International explosion protection certificates and overfill protection certificate (WHG)
No calibration required, easy to start up
No mechanically moving parts: no maintenance, no wear, long operating life.
Monitoring of fork for damage: guaranteed functionSecond line of defense to protect the environment
Variety of standardized process connections for all applications
Stainless steel (316L) and high-corrosion resistant sensor material (Alloy)
Videos
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Vibronic measuring principle
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Liquiphant with permanent function check is the safe choice for point level detection in liquids
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity
-
Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Measuring principle
Vibration Liquids
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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
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Options
Heavy duty stainless steel housing mainly for the oil and gas industry
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Components
FTL325P/FTL375P Interface PFM
FTL325N/FTL375N Interface NAMUR -
Successor
Liquiphant FTL51B
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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
-
-
Technical Information (TI)
Weld-in adapter, process adapter and flanges
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Technical Information (TI)
English version - 10/2021New version available in EnglishLevel and pressure measurement
EN 28/10/202130/07/2021Language:
English
Version:
28/10/2021
File size:
2.9 MB
File name:
TI00426FEN_2321.pdf
-
-
-
Installation Instructions (EA)
Cover for housing T13 terminal compartment Installation instruction
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Installation Instructions (EA)
English version - 02/2022New version available in EnglishLiquiphant M/S, Soliphant M, Liquicap M, Solicap M/S
EN 24/02/2022Language:
English
Version:
24/02/2022
File size:
119 KB
File name:
EA01050FA2_0322.pdf
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-
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ZE (Certificate)
RFID TAG Certificate/Declaration of Conformity
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ZE (Certificate)
English version - 08/2015New version available in EnglishATEX:
II 2 G Ex ia IIC T6 Gb
II 2 D Ex ia IIIC T80°C Db;
IECEx:
Ex ia IIC T6 Gb
Ex ia IIIC T80°C Db
EPS 15 ATEX 1 1009 X; IECEx EPS 15.0040XEN 20/08/2015Language:
English
Version:
20/08/2015
File size:
2.2 MB
File name:
ZE01020FA2_0115.pdf
-
-
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Special Documentation (SD)
RFID TAG Special Documentation
-
Special Documentation (SD)
English version - 08/2015New version available in EnglishRFID TAG
Special DocumentationEN 12/08/2015Language:
English
Version:
12/08/2015
File size:
331 KB
File name:
SD01502FA2_0215.pdf
-
-
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Special Documentation (SD)
SD Tagging
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Special Documentation (SD)
English version - 04/2024New version available in EnglishLevel and pressure measuring instruments
EN 15/04/2024Language:
English
Version:
15/04/2024
File size:
806.1 KB
File name:
SD03128PEN_0224-00.pdf
-
-
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Manufacturer Information (MI)
Liquiphant M FTL50 Herstellerinformation betreffend Firmwareänderung (NE53)
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Manufacturer Information (MI)
German version - 03/2021New version available in EnglishNeue Version: HW: 01.03 FW: 01.00.02
Language:
German
Version:
03/03/2021
File size:
111.6 KB
File name:
Herstellererklaerung_NE53_de_SIL_FTL50.pdf
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-
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Fields of Activities (FA)
Level measurement
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Fields of Activities (FA)
English version - 03/2026New version available in EnglishProduct overview for applications in liquids and bulk solids
Language:
English
Version:
06/03/2026
File size:
35.8 MB
File name:
FA00001F00EN2726.pdf
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-
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Fields of Activities (FA)
レベル計 総合カタログ
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Fields of Activities (FA)
Japanese version - 12/2025New version available in English液体および粉体アプリケーション向けレベル計・レベルスイッチ
Language:
Japanese
Version:
23/12/2025
File size:
33.9 MB
File name:
FA00001FJA_2625_Level meter comprehensive catalog.pdf
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-
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Competence Brochure (CP)
Grenzstanddetektion in Flüssigkeiten und Schüttgütern
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Competence Brochure (CP)
German version - 02/2025New version available in EnglishAuswahl- und Projektierungshilfe
Language:
German
Version:
19/02/2025
File size:
13.5 MB
File name:
CP00007F00DE1925.pdf
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-
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Competence Brochure (CP)
Point level detection in liquids and bulk solids
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Competence Brochure (CP)
English version - 02/2025New version available in EnglishSelection and engineering guide
Language:
English
Version:
19/02/2025
File size:
13.4 MB
File name:
CP00007F00EN1925.pdf
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