Liquiphant FTL80
Technical Data
ComparePoint Level / Liquids
| Measuring Principle | Vibration Liquids |
| Characteristic / Application | Compact point level switch for MIN and MAX safety applications up to SIL3, Dual Sealing/ Second line of defense Modular housing concept |
| Specialities | Outstanding features: - permanent LIVE signal monitors function safety - failsafe design and - high availability of the measuring values |
| Supply / Communication | 2-wire 4...20 mA |
| Ambient temperature | -60°C...+70°C (-76°F...+160°F) |
| Process temperature | -60°C...+280°C (-76°F...+540°F) |
| Process pressure / max. overpressure limit | Vacuum...100 bar (1450 psi) |
| Min. density of medium | Density from 0.4 g/cm3 (0.4 SGU) |
| Main wetted parts | 316L, Alloy C |
| Process connection | Flange: DN25...DN100 ASME 1"...4" JIS 10K...20K Thread: G3/4, G1, R3/4, R1, MNPT3/4, MNPT1 |
| Sensor length | Compact |
| Communication | 2-wire 4...20 mA |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, NEPSI, EAC |
| Safety approvals | Overfill protection WHG Leakage SIL3 |
| Design approvals | EN 10204-3.1 NACE MR0175, MR0103 ASME B31.3 AD2000 |
| Marine approval | GL/ ABS/ LR/ BV/ DNV |
| Options | PWIS free Pressure tight feed through Weather protection |
| Components | Nivotester FTL825, Transmitter |
The Liquiphant FTL80 vibronic point level switch can be used in hazardous areas, has multiple international approvals, features fail-safe and overflow protection, and achieves SIL3 functional safety. It measures reliably and is unaffected by changes in medium properties, medium flow, turbulence, bubbles, foam, vibration and buildup.
Benefits
Suitable for safety systems requiring SIL2/SIL3 functional safety, in accordance with IEC 61508 Ed.2.0 / IEC 61511-1 / ISA 84-1 / DIN EN ISO 13849
Verification test: verification test interval 12 years, one-key test of the entire loop
Permanent self-monitoring/internal redundancy
4-20 mA interface (per NAMUR NE 06/NE 43): easy integration via a two-channel switching unit (safety contacts) output and latching function (Nivotester FailSafe FTL825), or direct integration with a safety PLC
No calibration required: fast and economical device startup
No mechanical moving parts, no maintenance, no wear and a long service life.
Monitors the fork for damage, corrosion, buildup and mechanical blockage
Application areas
Limit switch achieves functional safety level SIL3.
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 C
International explosion protection approval, WHG overflow protection, SIL, marine approval
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Technical information
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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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