LBFS

๐Ÿงช What This Data Means โ€” For Quick Client Selection

โœ” Solid-state switching = Zero maintenance

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

โœ” Works in challenging media

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

โœ” High-temperature capability for CIP/SIP

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

โœ” IO-Link for smart diagnostics

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

โœ” High-pressure rating = Safe for process tanks

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

โœ” Fast response for machine automation

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

โœ” Hygienic design options

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

โœ” 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.

๐Ÿ”ง LBFS โ€” 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 โ‰ฅ 1.5 (for reliable switching)
Response Time < 100 ms
Process Temperature โ€“40 ยฐC to +115 ยฐC (standard); up to +140 ยฐC with high-temp version
Process Pressure โ€“1 to +40 bar
Material (Wetted) 316L stainless steel
Electrical Output PNP/NPN transistor output, IO-Link optional
Power Supply 10โ€ฆ30 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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