 
                  Specs at a glance
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                              Process temperature-40 °C...+150 °C 
 (-40 °F...+302 °F)
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                              Process pressure / max. overpressure limitVacuum...64 bar 
 (Vacuum...928 psi)
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                              Min. density of medium0.5 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 
Videos
Lean selection
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        Standard products 
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
 
                              - 
        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 Weld-in adapter, process adapter and flangesLevel, pressure and temperature measurement EN 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 HARTVibronic EN 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-LinkVibronic EN 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 FTL43Vibronic 
 HARTEN 16/05/202530/11/2024Language: English Version: 16/05/2025 File size: 1.2 MB File name: BA02308FEN_0325-00.pdf 
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                                                            Operating Instruction (BA)
 BA Liquiphant FTL43Vibronic 
 IO-LinkEN 16/05/202530/09/2024Language: English Version: 16/05/2025 File size: 1.3 MB File name: BA02309FEN_0325-00.pdf 
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                                                            Device Parameter (GP)
 GP Liquiphant FTL43Vibronic 
 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 FTL43Vibronic 
 HARTEN 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 FTL43Vibronic 
 IO-LinkEN 19/05/202530/09/2024Language: English Version: 19/05/2025 File size: 923.1 KB File name: KA01697FEN_0225-00.pdf 
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                                                            Short Instruction (KA)
 KA Liquiphant FTL43Vibronic 
 HARTEN 19/05/202530/11/2024Language: English Version: 19/05/2025 File size: 900.7 KB File name: KA01696FEN_0225-00.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Liquiphant FTL43, FTL60II 1 G Ex ia IIC T4 Ga 
 II 1 D Ex ia IIIB T135 °C DaLanguage: English Version: 20/05/2025 File size: 443.3 KB File name: XA03576FEN_0125-00.pdf 
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