E+H FTL51B-34320/0 Liquiphant SIL-Rated Vibronic Tuning Fork Level Switch
Product Details:
Manufacturer : Endress+Hauser
Product No. :FTL51B-34320/0
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This industrial automation component is supplied for enterprise procurement .Made-to-order and forward delivery are supported, with pricing quoted per inquiry.
To reduce sourcing risk, each order is handled individually with support for model confirmation, condition clarification, and lead time estimation before order placement. Clear quotation terms and consistent communication are provided to help partners manage expectations and complete transactions with confidence. Additional verification or clarification is available when required, supporting professional procurement and long-term cooperation.
The E+H FTL51B-34320/0 belongs to Endress+Hauser Liquiphant FTL51B high-performance vibronic tuning fork series, engineered complying with IEC61508 standard for direct SIL2/SIL3 safety loop deployment, adopting piezoelectric resonant shift measuring principle for reliable high/low limit monitoring of industrial homogeneous liquids with minimum detectable density ≥0.5g/cm³ (0.4g/cm³ optional customization). This specific 34320/0 variant is configured with DN50 standard flange process connection, dual NAMUR + IO-Link hybrid digital output, full 1.4404 (AISI316L stainless steel) wetted tuning fork and heavy-duty explosion-proof aluminum housing certified for hazardous industrial environments. Equipped with proprietary Heartbeat Technology for continuous real-time self-diagnosis, plus built-in Bluetooth SmartBlue APP remote parameter configuration and periodic SIL proof-test guided wizard with auto-generated inspection documentation. Measuring stability remains unaffected by liquid foam, medium adhesion, pipeline turbulence, fluid conductivity and mechanical vibration, widely deployed for tank overflow safeguard and pump dry-run prevention across petrochemical, fine chemical, oil & gas and energy processing industriesEndress+Hauser
Detail:
| Parameter Item | Standard Technical Specification |
| Full Model Number | FTL51B-34320/0 (E+H Liquiphant FTL51B Series) |
| Measuring Principle | Vibronic tuning fork resonant frequency variation detection |
| Minimum Detectable Medium Density | ≥0.5 g/cm³; optional custom ≥0.4 g/cm³ |
| Output Configuration | NAMUR intrinsic safety signal + IO-Link digital communication dual output |
| Rated Operating Supply | DC 8 V ~ 30 V |
| Built-in Diagnostic Tech | Heartbeat continuous self-monitoring + local LED status indication |
| Remote Operation Function | Bluetooth connection via SmartBlue APP for parameter setup & SIL proof test |
| Adjustable Switch Delay | 0.2s ~ 15s configurable via IO-Link or mobile APP |
| On-site Test Feature | External magnetic test point for non-disassembly functional verification |
| Functional Safety Grade | SIL2 / SIL3 certified per IEC 61508, WHG overfill protection compliantEndress+Hauser |
| Spec Classification | Detailed Parameter Data |
| Wetted Tuning Fork Material | 1.4404 / AISI316L stainless steel |
| Standard Process Connection | DN50 RF Flange per EN1092-1 standard |
| Housing Construction Material | Explosion-proof cast aluminum alloy |
| Ingress Protection Grade | IP66 / IP67 |
| Ambient Working Temperature | -50°C ~ +70°C (-58°F ~ +158°F) |
| Allowed Process Medium Temperature | -50°C ~ +150°C (-58°F ~ +302°F)Endress+Hauser |
| Absolute Process Pressure Range | Full vacuum ~ 100 bar abs (max 1450 PSI overpressure) |
| Wetted Surface Roughness | Ra ≤3.2μm standard industrial finish |
| Available Certifications | ATEX/IECEx explosion proof, EN10204-3.1 material certificate, DNV/LR marine approvalEndress+Hauser |
Brand
E+H is a global leader in providing measurement instruments, services, and solutions for the process and laboratory industries. Since its founding in 1953, the company has been committed to enhancing production efficiency, safety, and sustainability through innovative technologies. E+H’s product portfolio covers a wide range of areas, including flow measurement, level measurement, pressure and temperature measurement, analytical instrumentation, and data management. Its solutions are widely used in industries such as chemicals, food and beverage, oil and gas, power generation, and water and wastewater treatment.
Company Introduction:
Achievers Automation Limited has more than 10 years experience in the market of Industrial Automation, specialized in reselling factory sealed Probe, Sensor, DCS,isolator barrier, HMI, PLC,Adapter,Profibus connector and cable from Brands as BENTLY NEVADA, E+H, MTL, AB, Pepperl+Fuchs, YOKOGAWA, ASCO, Schneider, Lenze, Pro-face, Mitsubishi, Omron, Lenze, Delta, IFM etc. If you have any request, please do not hesitate to contact us.
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FAQ of Achievers
Q:Are the Products Genuine OEM Units?
A: These items have been certified by Achievers Automation Limited to be genuine OEM Units obtained through OEM or independent third-party channels.
Q:How will you arrange shipment?
A: We can arrange shipment based on your request. We have cooperated forwader who can arrange shipment via FedEx, DHL,TNT with good price.
Q:What is the warranty of goods?
A: One-year Warranty.
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