Soliphant M FTM51
Technical Data
ComparePoint Level / Solids
| Measuring Principle | Vibration Solids |
| Characteristic / Application | Point level switch for fine grained solids and powder Grain size: <= 10 mm (<= 0.39 in) Fork sensor No calibration required Not affected by build-up or external vibration Robust Switch value visible from outside Tube extension |
| Specialities | Build-up and corrosion detection Remote version 3 temperature versions available SIL 2 |
| Supply / Communication | DC PNP 3-wire AC 2-wire 19...253V AC / 19V...55V DC 2 relay contact 8/16mA NAMUR PFM |
| Ambient temperature | -50°C ... 70°C (-60°F ... 160 °F) |
| Process temperature | -50°C ... 280°C (-60 °F ... 540°F) |
| Process pressure / max. overpressure limit | Vacuum ... 25 bar (Vacuum ... 360 psi) |
| Min. density of medium | Standard fork: 10 g/l Short fork: 50 g/l |
| Main wetted parts | selectable: 316L 3,2 µm 316L 0,8 µm 316L PTFE coated (to avoid build-up) 316L ETFE coated (to avoid corrosion) |
| Process connection | Thread R 1 1/2" 1 1/4" NPT 1 1/2" NPT EN Flange DN50...DN100 ASME Flange 2"...4" JIS Flange 50A...100A |
| Process connection hygienic | Tri-Clamp ISO2852 |
| Sensor length | 300 ... 4000mm (12 ... 155") (6000mm / 230" on request) |
| Communication | DC PNP 2-wire AC Thyristor DPDT relay 8/16mA NAMUR PFM |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, JPN, INMETRO, NEPSI, EAC |
| Safety approvals | SIL |
| Design approvals | EN 10204-3.1 |
| Options | Glass cover Temperature spacer EN10204-3.1 |
| Components | PFM: FTL325P, FTL375P NAMUR: FTL325N, FTL375N |
The Soliphant M FTM51 is a rugged vibronic point level switch for fine solids or low-density, loose bulk powders in silos. It is widely applicable and has international dust explosion protection approval. Polished fork, clamp process connection, stainless steel or aluminum housing and coated fork. The instrument is maintenance-free; typical applications include grain, flour, cocoa beans, sugar, animal feed, dye powder, chalk, etc.
Benefits
Meets SIL2 in accordance with IEC 61508
No mechanical moving parts, no maintenance, no wear and a long service life.
Unaffected by external vibration and buildup, maintenance-free operation, unaffected by bulk solids
Various electronic inserts such as NAMUR, relay, semiconductor thyristor, PFM signal output for connection to various process control systems
Optional buildup and wear indication, density setting and switch delay functions
Sensor available with coating or in polished version
Market leader in bulk solids level measurement since 1967
Application areas
Limit switch for detection of fine-grained solids and powders.
Process connection: thread, flange and hygienic connection (clamp)
Temperature: -50 ~ +280 °C (-60 ~ +540 °F)
Pressure: -1 ~ +25 bar (-14.5 ~ +360 psi)
Sensor length: 300 mm ~ 4,000 mm
Sensor material: 316L (3.2 µm, 0.8 µm, PTFE coating, ETFE coating)
International explosion protection approval
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Technical information
Technical data
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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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