The Endress+Hauser Liquiphant FTL51B is a highly reliable vibronic point level switch engineered for accurate liquid level detection in industrial processes. As part of the new-generation Liquiphant series, the FTL51B integrates Heartbeat Technology, enhanced diagnostics, and superior digital communication to maximize safety, efficiency, and system uptime.
Designed for demanding environments, the FTL51B performs consistently in all types of liquids—regardless of density, viscosity, conductivity, foam, or turbulence. It is widely applied in chemical plants, energy systems, water treatment, oil & gas, and general process industries for overfill protection, dry-run protection, and safety-critical control loops.
| Parameter | Description |
|---|---|
| Model | Liquiphant FTL51B |
| Type | Vibronic point level switch |
| Measured Medium | Liquids (independent of fluid properties) |
| Process Temperature | –50°C to +150°C (depending on version) |
| Process Pressure | Up to 100 bar |
| Sensor Material | Stainless steel |
| Housing | Aluminum, coated aluminum, stainless steel |
| Output / Communication | HART, IO-Link, PNP/NPN, relay, NAMUR |
| Safety Certifications | SIL2 / SIL3, ATEX, IECEx |
| Process Connections | Threaded or flanged (DIN / ANSI) |
| Application Scope | Overfill protection, pump dry-run protection, point level detection |
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