Liquiphant FTL41
Technical Data
ComparePoint Level / Liquids
| Measuring Principle | Vibration Liquids |
| Characteristic / Application | Compact vibronic device with an optional pipe extension up to 2 m; Modular housing concept; Wide range of certificates |
| Specialities | RFID TAG for easy identification, Plug and play functionalities |
| Supply / Communication | 10...55V / DC-PNP 3-wire 19...253V AC or 19...55V DC / relays NAMUR |
| Ambient temperature | -40 °C...+70 °C (-40 °F...+158 °F) |
| Process temperature | -40 °C...+150 °C (-40 °F...+302 °F) |
| Process pressure / max. overpressure limit | Vacuum...40 bar (Vacuum...580 psi) |
| Min. density of medium | 0.5 g/cm³ (0.4 g/cm³ optional) |
| Main wetted parts | 316L |
| Process connection | Threads: G3/4A, G1A, R3/4", R1, NPT3/4, NPT1 Flanges: DN25...DN100 ASME 1"...4" JIS 25A...50A |
| Process connection hygienic | Tri-Clamp ISO2852 |
| Sensor length | Up to 2 m |
| Communication | DC-PNP 3-wire Relays NAMUR |
| Certificates / Approvals | ATEX, IEC Ex, CSA, NEPSI |
| Safety approvals | Overfill protection WHG |
| Design approvals | EN 10204-3.1 ASME B31.3 Process Piping CRN |
| Marine approval | ABS/ LR/ BV/ DNV |
| Components | FTL325N Interface NAMUR |
More than 6 million Liquiphant limit switches have been successfully and reliably in operation worldwide. The design without mechanical moving parts effectively eliminates the risk of mechanical failure and ensures stable operation. In addition, the device does not need to be configured separately for different media.
Advantages
One measuring system meets the measuring requirements of all liquids. No mechanical moving parts, plug-and-play, easy to use
Compared with float level switches, no mechanical moving parts and higher long-term stability
High switch point repeatability
Suitable for all pumpable liquids
Maintenance-free
Application
Limit switch with extension tube, suitable for limit detection of all kinds of liquids.
Process connections: threaded, flanged and hygienic connections (Tri-Clamp)
Temperature range: -40...+150°C (-40...+302°F)
Pressure range: -1...+40 bar (-14.5...+580 psi)
Sensor material: 316L
International explosion protection and WHG approvals
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Technical documentation
Technical data
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Measuring principle video
Source:Endress+Hauserwebsite public information
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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