Liquiphant M FTL51H
Technical Data
CompareDensity
| 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 |
Point Level / Liquids
| 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 |
The Liquiphant FTL51H vibronic point level switch with extension tube can be used in hazardous areas and has various international approvals. With hygienic certifications such as 3-A, EHEDG and ASME BPE, it is especially suitable for the food and life sciences industries. The FTL51H achieves SIL2/SIL3 functional safety, and the second line of defense ensures the highest degree of device safety and availability. The measured value is stable and unaffected by flow, turbulence, bubbles, foam, vibration, solids content or buildup.
Benefits
Suitable for safety systems requiring SIL2/SIL3 functional safety, in accordance with IEC 61508/IEC 61511-1
Various process connections available
Various electronic inserts, such as NAMUR, relay, semiconductor thyristor, PFM signal output, for connection to various process control systems
Also available with PROFIBUS PA communication protocol
No calibration required: fast and economical device startup
No mechanical moving parts, no maintenance, no wear and a long service life. Fork damage can be monitored to ensure proper function
FDA-listed material (PFA Edlon)
Application areas
Limit switch with electropolished surface, for detection of all types of liquids.
Process connection: thread, flange and hygienic connections (clamp, milk coupling, aseptic, DRD, SMS, Varivent)
Temperature: -50 ~ +150 °C (-58 ~ +302 °F)
Pressure: -1 ~ +64 bar (-14.5 ~ +928 psi)
Sensor material: 316L
International explosion protection approval, WHG overflow protection, SIL, hygienic approval, marine approval
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Source: public information from the Endress+Hauser website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Tuning Fork Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Tuning Fork.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Tuning Fork for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Tuning Fork Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Tuning Fork.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Tuning Fork for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Tuning Fork Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Tuning Fork.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Tuning Fork for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Tuning Fork Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Tuning Fork.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Tuning Fork for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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