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Endress+Hauser Liquiphant FTL31 Vibronic Point Level Switch (Order Code: FTL31-AA4M2AAWBJ / FTL31-1102/0)
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Product Name:
Endress+Hauser Liquiphant FTL31 Vibronic Point Level Switch (Order Code: FTL31-AA4M2AAWBJ / FTL31-1102/0)
Product Model:
FTL31-AA4M2AAWBJ / FTL31-1102/0
Manufacturer:
Endress+Hauser
file:
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Product Description
Primary: Endress+Hauser Liquiphant FTL31, FTL31-AA4M2AAWBJ, vibronic level switch, tuning fork level sensor
Technical: Point level switch for liquids, 10-30VDC PNP output, G1/2 thread level switch, 316L stainless steel sensor
Application: Overfill protection switch, pump dry-run protection, industrial level detection
Features: No calibration, plug and play, M12 connector, IP67 rated, IO-L
Endress+Hauser Liquiphant FTL31 Vibronic Point Level Switch (Order Code: FTL31-AA4M2AAWBJ / FTL31-1102/0)
Endress+Hauser Liquiphant FTL31 Vibronic Point Level Switch
(Order Code: FTL31-AA4M2AAWBJ / FTL31-1102/0)

The Endress+Hauser Liquiphant FTL31-AA4M2AAWBJ is a compact, reliable point level switch for liquids, utilizing vibronic (tuning fork) technology. Designed for universal industrial applications, it is ideal for overfill protection, pump dry-run protection, and level detection in tanks, vessels, and pipes .
Key Features and Product Highlights
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Tuning Fork Technology: Provides safe and reliable switching independent of media properties such as conductivity, buildup, turbulence, flow conditions, or air bubbles .
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Compact & Robust Design: Features a small form factor made of 316L stainless steel with a surface finish of Ra < 3.2 μm, ensuring durability and suitability for hygienic applications .
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PNP 3-Wire Output: Operates on a 10 to 30 VDC supply with a standard 3-wire PNP switching output, compatible with most PLCs and control systems .
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Easy Installation: Utilizes a G1/2 ISO228 thread process connection and an M12 plug for quick electrical connection .
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Simple Commissioning: Features a plug & play design with no calibration required. A built-in LED indicator provides visual status and supports external function testing with a test magnet .
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Rugged Environmental Protection: Rated IP65/67, suitable for harsh industrial environments .
Technical Specifications


Applications
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Overfill Protection: Prevents tank overflow in storage vessels .
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Pump Dry-Run Protection: Safeguards pumps in cleaning systems, cooling circuits, and lubrication vessels .
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Chemical & Industrial: Reliable point level detection in liquids, unaffected by changing media properties .
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General Purpose: Suitable for tanks, pipes, and vessels in the machinery industry .
Endress+Hauser Liquiphant FTL31-AA4M2AAWBJ | Vibronic Point Level Switch | PNP
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Safe & Reliable: Continuous self-monitoring ensures safe switching, even during power supply loss .
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Maintenance-Free: No moving parts eliminate wear and reduce maintenance costs .
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Independent of Media: Accurate switching unaffected by conductivity, foam, or turbulence .
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Plug & Play: No calibration required, significantly reducing installation and commissioning time .
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Global Approvals: WHG, marine approvals, and inspection certificates available
Endress+Hauser Liquiphant FTL31-AA4M2AAWBJ tuning fork level switch. 10-30VDC, PNP output, G1/2 thread, 316L, M12 plug, -40 to 70°C ambient.
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