Liquiphant S FTL70
Technical Data
ComparePoint Level / Liquids
| Measuring Principle | Vibration Liquids |
| Characteristic / Application | Modular housing concept High process temperatures up to 280°C wide range of process connections Analogue and bus interfaces Extensive certificate range (e.g. Ex,WHG) compact, e.g. pipes Dual Sealing / Second line of defense |
| Specialities | Foamdetection Detect a densitychange second line of defense |
| Supply / Communication | PROFIBUS PA 19...253V AC 10...55V DC-PNP 19...253V AC bzw 10...55V DC 8/16mA, 11...36V DC NAMUR PFM |
| Ambient temperature | -50 °C...+70 °C (-58 °F...+158 °F) |
| Process temperature | -60 °C...+280 °C (-76 °F...+540 °F, (300°C / 572 °F 50h, cumulated |
| Process pressure / max. overpressure limit | Vacuum...100 bar (Vacuum...1450 psi) |
| Main wetted parts | 316L / Alloy PFA and Enamel on request |
| Process connection | Thread: G3/4A, G1A, R3/4", R1, NPT3/4, NPT1 Flange: DIN DN25...DN100, ASME 1"...4", JIS 25A...100A |
| Sensor length | 65mm (2.56") |
| Communication | PROFIBUS PA 19...253V AC 10...55V DC-PNP 19...253V AC bzw 10...55V DC 8/16mA, 11...36V DC NAMUR PFM |
| Certificates / Approvals | ATEX, FM, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI |
| Safety approvals | SIL |
| Design approvals | EN 10204-3.1 NACE MR0175, MR0103 ASME B31.3 AD2000 |
| Marine approval | GL/ ABS |
| Options | Heavy duty stainless steel housing mainly for the oil and gas industry |
| Components | FTL325P/FTL375P Interface PFM FTL325N/FTL375N Interface NAMUR |
The Liquiphant FTL70 vibronic point level switch can be used in hazardous areas and has various international approvals. The FTL70 is especially suitable for high-temperature applications up to 280 °C, with functional safety up to SIL2 and up to SIL3 with homogeneous redundancy. 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
Welded, hermetically sealed feedthrough ensures maximum safety even if the sensor is damaged
Various electronic inserts, such as NAMUR, relay, semiconductor thyristor, PFM signal output, for connection to various process control systems
Various process connections available
No calibration required: fast and economical device startup
No mechanical moving parts, no maintenance, no wear and a long service life. The fork can be monitored for damage to ensure proper function
FDA-listed material (PFA Edlon)
Application areas
Limit switch for detection of all types of liquids.
Process connection: thread and flange
Temperature: -60 ～ +280 °C (-76 ～ +540 °F)
Pressure: -1 ~ +100 bar (-14.5 ~ +1,450 psi)
Sensor material: 316L, Alloy (PFA and enamel optional on request)
International explosion protection approval, WHG overflow protection, marine approval, SIL
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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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