LBFS

🧪 What This Data Means — For Quick Client Selection

✔ Solid-state switching = Zero maintenance

No moving parts → no wear, no jamming, no vibration failures. Perfect for hygienic and chemical applications.

✔ Works in challenging media

LBFS detects liquids with foam, aeration, high viscosity, or coating behavior where traditional tuning forks fail.

✔ High-temperature capability for CIP/SIP

Up to +140 °C makes it suitable for sanitization cycles in food & pharma.

✔ IO-Link for smart diagnostics

Enables real-time monitoring, remote parameterization, and digital integration for Industry 4.0 applications.

✔ High-pressure rating = Safe for process tanks

With up to 40 bar capability, it works in pressure vessels, reactors, and industrial transfer lines.

✔ Fast response for machine automation

<100 ms switching allows use in filling machines, bottlers, dosing skids, and fast-control systems.

✔ Hygienic design options

Tri-Clamp and DIN fittings make it fully compatible with hygienic processing lines.

✔ Best for applications like:

  • Food, dairy, beverages 
  • Pharmaceutical mixing & storage 
  • Chemical tanks (acid/alkali compatibility) 
  • Machine lubrication control 
  • Water and wastewater tank level indication 
  • CIP return-line protection 
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Description

Baumer LBFS is a solid-state level switch using frequency-sweep technology for reliable detection of liquids, viscous media, and pastes. With no moving parts, it provides maintenance-free operation, fast response, and high chemical resistance. Ideal for food, pharma, water, chemicals, machine-building, and hygienic applications requiring precise point-level detection.

🔧 LBFS — Key Technical Data & Selection Parameters

Parameter Specification / Details
Sensing Principle Frequency-sweep capacitive / tuning-fork alternative (solid-state, no moving parts)
Detectable Media Liquids, oils, viscous fluids, pastes; also high-foam or aerated liquids
Minimum Dielectric Constant ≥ 1.5 (for reliable switching)
Response Time < 100 ms
Process Temperature –40 °C to +115 °C (standard); up to +140 °C with high-temp version
Process Pressure –1 to +40 bar
Material (Wetted) 316L stainless steel
Electrical Output PNP/NPN transistor output, IO-Link optional
Power Supply 10…30 VDC
Process Connection G1/2, G3/4, 1″, Tri-Clamp, DIN hygienic fittings
Protection Class IP67 / IP69K
Installation Type Horizontal or vertical; pipe, vessel, tank side-wall or top-mount
Certification FDA-compliant, EHEDG options (depending on version)
Applications Food & beverage, pharma, CIP/SIP, water, chemical tanks, lubrication systems, OEM machinery

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