音叉料位计
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
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| FTM51-AGG2L2A32GA | 音叉料位计 |
| FTM51-AGJ2L4A52AA | 音叉料位计 |
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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。
