防腐音叉限位检测开关
Technical Data
CompareDensity
| Measuring Principle | Vibration Density |
| Characteristic / Application | Liquiphant M Density with Density Computer FML621 Temperature and pressure measurement High protection against aggressive media by using antistatic coating Modular housing concept Wide range of process connections Pipe extension up to 3 m (6 m option) |
| Supply / Communication | Transmitter power supply (MUS) |
| Ambient temperature | -50...80°C -50...60°C for hazardous applications |
| Process temperature | 0...80 °C (validity of accuracy data) -50...0°C / 80...150 °C (with reduced technical data) |
| Process pressure | 0...25 bar >25...40 bar (with reduced technical data) |
| Wetted parts | ECTFE, PFA and Enamel |
| Sensor length | 115...3000 mm (depends by the covering) |
| Output | Pulse |
| Certificates / Approvals | ATEX, FM, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI |
| Specialities | Commissioning with ReadWin2000 |
| Components | Density Computer FML621 |
| Measuring range | Density range: 0.3 to 2 g/cm³ |
| Other approvals and certificates | SIL2/ SIL3 |
Point Level / Liquids
| Measuring Principle | Vibration Liquids |
| Characteristic / Application | High protection against aggressive media by using antistatic coating Modular housing concept wide range of process connections Analogue and bus interfaces Extensive certificate range (e.g.Ex,WHG) pipe extension up to 3m (6m option) |
| Specialities | Foamdetection Detekt a densitychange second line of defense |
| Supply / Communication | PROFIBUS PA 19...253V AC, 2-wire 10...55V DC-PNP, 3-wire DPDT, 19...253V AC, 10...55V DC 8/16mA, 11...36V DC NAMUR PFM, 2-wire NAMUR with testbutton |
| Ambient temperature | -50 °C...+70 °C (-58 °C...+158 °F) |
| Process temperature | -50 °C...+150 °C (-58 °F...+302 °F) up to 230 °C / 450°F on request |
| Process pressure / max. overpressure limit | Vacuum...40 bar (Vacuum...580 psi) |
| Min. density of medium | 0.5g/cm³ (0.4g/cm³ optional) |
| Main wetted parts | ECTFE PFA (Edlon) PFA (Rubyred) PFA (conductive) Enamel |
| Process connection | Flange: DN25...DN100, ASME 1"...3", JIS RF10 K 50 |
| Process connection hygienic | FDA conform with PFA (Edlon) |
| Sensor length | ECTFE, PFA 130mm, 148mm...3000mm (ECTFE, PFA 5.12", 5.83"...118") Enamel 130mm, 148mm...1200mm (Enmal 5.12", 5.83"...47.24") |
| 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 | SIL2/ SIL3 |
| Design approvals | EN 10204-3.1 |
| Marine approval | GL/ ABS/ DNV |
| Options | Heavy duty stainless steel housing mainly for the oil and gas industry |
| Components | FTL325P/FTL375P Interface PFM FTL325N/FTL375N Interface NAMUR |
The Liquiphant FTL51C vibronic point level switch features a highly corrosion-resistant coating and an extension tube, can be used in hazardous areas, has various international approvals and is suitable for all industries. The FTL51 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 with SIL2/SIL3 functional safety requirements in accordance with IEC 61508/IEC 61511-1
Various corrosion-resistant coatings for optimum adaptation to process requirements
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 corrosion-resistant coating, for detection of all types of liquids
Process connection: flange and hygienic process connection (FDA-approved PFA)
Temperature: 50 ~ +150 °C (-58 ~ +302 °F)
Pressure: -1 ~ +40 bar (-14.5 ~ +580 psi)
Sensor material: ECTFE, PFA (Edlon, Rubyred, conductive), enamel
International explosion protection approval, WHG overflow protection, SIL, hygienic approval and marine approval
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Source: public information from the Endress+Hauser website
Related Models
| Model | Name |
|---|---|
| FTL51C-AACKBKDE6AA | 防腐音叉限位检测开关 |
Case Studies
市政污水处理污水处理厂 · 音叉应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对音叉的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的音叉，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料食品生产线 · 音叉应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对音叉的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的音叉，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药反应釜与储罐 · 音叉应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对音叉的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的音叉，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源电厂锅炉与汽机 · 音叉应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对音叉的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的音叉，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
