
Specs at a glance
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Process temperature
-40 °C...+150 °C
(-40 °F...+302 °F) -
Process pressure / max. overpressure limit
Vacuum...64 bar
(Vacuum...928 psi) -
Min. density of medium
0.5 g/cm³ (25.0 lb/ft3)
(0.4 g/cm³ (31.2 lb/ft3) optional)
Field of application
The Liquiphant FTL43 is a point level switch for liquids and part of the Compact Line. The product line is especially developed for hygienic applications and combines compact design with full performance. The proven vibronic technology works reliably in all pumpable liquids, without media adjustment. The Liquiphant FTL43 is distinguished by its ease of use with plug & play functionality and a wide range of digital communication options.
Liquiphant FTL43 is used for point level detection in process and storage tanks as well as in pipelines.
Liquiphant FTL43 covers a wide range of hygienic applications:
Level detection in narrow skids and modules for various liquids
Pump dry run protection in pipes
Overfill protection in process tanks
Detection of media with different densities
Benefits
Outstanding ease of use due to easy commissioning with plug & play functionality
Improved process and product safety through configuration integrity - a checksum algorithm (CRC) ensures that safety relevant parameters remain unchanged
Increased productivity thanks to traceable and documented on-demand verification without process interruption and continuous diagnostics with Heartbeat Technology
Documented compliance through certified hygienic design as well as proven material conformity and traceability
User-friendly operation with guided wizards and a wide range of digital communication options
Lean selection
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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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 |
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Technical Information (TI)
TI Liquiphant FTL43 IO-Link
English version - 09/2023
Vibronic
EN More 30/09/2023Language:
English
Version:
30/09/2023
File size:
937.1 KB
File name:
TI01725FEN_0323-00.pdf
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Device Parameter (GP)
GP Liquiphant FTL43
English version - 09/2024
Vibronic IO-Link
Language:
English
Version:
30/09/2024
File size:
1.1 MB
File name:
GP01228FEN_0124-00.pdf
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Technical Information (TI)
TI Weld-in adapter, process adapter and flanges
Level, pressure and temperature measurement
EN Select other language 06/12/202425/03/202415/09/202328/10/202130/07/2021Language:
English
Version:
06/12/2024
File size:
1.3 MB
File name:
TI00426FEN_2624.pdf
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Technical Information (TI)
TI Liquiphant FTL43 HART
Vibronic
EN Select other language 30/11/2024Language:
English
Version:
30/11/2024
File size:
943.3 KB
File name:
TI01762FEN_0223-00.pdf
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Technical Information (TI)
TI Liquiphant FTL43 IO-Link
Vibronic
EN Select other language 30/09/2023Language:
English
Version:
30/09/2023
File size:
937.1 KB
File name:
TI01725FEN_0323-00.pdf
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Operating Instruction (BA)
BA Liquiphant FTL43 HART
Vibronic
EN Select other language 30/11/2024Language:
English
Version:
30/11/2024
File size:
1.1 MB
File name:
BA02308FEN_0223-00.pdf
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Operating Instruction (BA)
BA Liquiphant FTL43 IO-Link
Vibronic
EN Select other language 30/09/2024Language:
English
Version:
30/09/2024
File size:
1.2 MB
File name:
BA02309FEN_0223-00.pdf
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Device Parameter (GP)
GP Liquiphant FTL43
Vibronic
IO-LinkLanguage:
English
Version:
30/09/2024
File size:
1.1 MB
File name:
GP01228FEN_0124-00.pdf
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Device Parameter (GP)
GP Liquiphant FTL43
Vibronic
HARTEN Select other language 25/11/2024Language:
English
Version:
25/11/2024
File size:
952 KB
File name:
GP01232FEN_0124-00.pdf
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Short Instruction (KA)
KA Liquiphant FTL43 IO-Link
Vibronic
EN Select other language 30/09/2024Language:
English
Version:
30/09/2024
File size:
808.9 KB
File name:
KA01697FEN_0124-00.pdf
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Short Instruction (KA)
KA Liquiphant FTL43 HART
Vibronic
EN Select other language 30/11/2024Language:
English
Version:
30/11/2024
File size:
784.9 KB
File name:
KA01696FEN_0124-00.pdf
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Special Documentation (SD)
SD Endress+Hauser IO-Link devices
Endress+Hauser IO-Link function blocks
For Siemens TIA PortalEN Select other language 01/12/2024Language:
English
Version:
01/12/2024
File size:
4.2 MB
File name:
SD03368SEN_0124-00.pdf
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Special Documentation (SD)
SD Tagging
Level and pressure measuring instruments
EN Select other language 15/04/202403/07/2023Language:
English
Version:
15/04/2024
File size:
806.1 KB
File name:
SD03128PEN_0224-00.pdf
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Special Documentation (SD)
SD Hygiene certificates
Level and pressure measuring devices
EN Select other language 07/05/202427/09/202315/12/202129/01/202105/06/2020Language:
English
Version:
07/05/2024
File size:
564.2 KB
File name:
SD02503FEN_0624-00.pdf
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Special Documentation (SD)
SD Liquiphant FTL43
Application package
Heartbeat Verification + Monitoring
HARTEN Select other language 30/11/2024Language:
English
Version:
30/11/2024
File size:
486.5 KB
File name:
SD03315FEN_0124-00.pdf
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Special Documentation (SD)
SD Liquiphant FTL43
Application package
Heartbeat Verification + Monitoring
IO-LinkEN Select other language 30/09/2024Language:
English
Version:
30/09/2024
File size:
592.5 KB
File name:
SD03316FEN_0124-00.pdf
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PU (Publication)
Experteninterview Compact Line: Lebensmittel und Getränke
Performance trifft auf hygienische
Industrieanforderungen: Die neue kompakte
Produktlinie für Füllstands- und DruckmessungLanguage:
German
Version:
09/10/2024
File size:
118.2 KB
File name:
PU01593F00DE0124_Experteninterview_Compact_Line_Food_and_Beverage_DE_24.pdf
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PU (Publication)
Expert interview Compact Line: Food and Beverage
Performance meets hygienic industry
requirements: The new compact product line
for level and pressure measurementLanguage:
English
Version:
09/10/2024
File size:
109 KB
File name:
PU01593F00EN0124_Expert interview_Compact_Line_Food_and_Beverage_EN_24.pdf
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PU (Publication)
Experteninterview Compact Line: Life Sciences
Performance trifft auf hygienische
Industrieanforderungen: Die neue kompakte
Produktlinie für Füllstands- und
DruckmessungLanguage:
German
Version:
09/10/2024
File size:
111.2 KB
File name:
PU01594F00DE0124_Experteninterview_Compact_Line_Life Sciences_DE_24.pdf
-
-
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PU (Publication)
Expert interview Compact Line: Life Sciences
Performance meets hygienic industry
requirements: The new compact product line
for level and pressure measurementLanguage:
English
Version:
09/10/2024
File size:
107.1 KB
File name:
PU01594F00EN0124_Expert interview_Compact_Line_Life Sciences_EN_24.pdf
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Competence Brochure (CP)
Grenzstanddetektion in Flüssigkeiten und Schüttgütern
Auswahl- und Projektierungshilfe
Language:
German
Version:
19/02/2025
File size:
13.5 MB
File name:
CP00007F00DE1925.pdf
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Competence Brochure (CP)
Point level detection in liquids and bulk solids
Selection and engineering guide
Language:
English
Version:
19/02/2025
File size:
13.4 MB
File name:
CP00007F00EN1925.pdf
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