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Keyence FU-6F flexible fiber optic sensor head for industrial automation

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Keyence FU-6F

by Keyence

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OverviewThe Keyence FU-6F fiber optic sensor head sets a new standard for optical sensing in challenging industrial settings. Engineered for superior flexibility and pinpoint accuracy, this sensor head is ideal for environments where space is restricted. When paired with Keyence FS-V or FS-N series amplifiers, the FU-6F provides remarkably stable and precise detection across a wide array of targets. It ensures consistent performance for identifying small components, fine edges, and even transparent materials, even in fast-paced automated processes. Its innovative thin and adaptable cable design allows for effortless installation in the tightest areas, making it an excellent choice for compact equipment and intricate machinery.Key Features Highly Adaptable Fiber: Constructed for extreme pliability, perfectly suited for difficult installations and applications involving consistent movement or vibration without sacrificing performance. Compact Sensor Design: Facilitates seamless integration and accurate detection in extremely narrow or restricted zones, expanding your automation capabilities. Reliable Small Object Detection: Offers outstanding sensitivity, guaranteeing accurate and consistent sensing of even microscopic components, crucial for high-precision manufacturing. Seamless Keyence Amplifier Connection: Designed for immediate and straightforward integration with existing Keyence FS-V and FS-N series fiber amplifiers, ensuring rapid setup and peak operation. Robust Industrial Construction: Built for endurance, capable of withstanding the rigors of harsh industrial environments, ensuring long-term dependability and reduced maintenance needs. Ultra-Thin Cable: Enables discreet and efficient routing in confined spaces, minimizing disruptions and maximizing operational efficiency. Technical Specifications Model: FU-6F Sensor Type: Fiber Optic Sensor Head Detection Method: Diffuse reflective (functionality is dependent on the paired amplifier unit) Cable Type: Ultra-flexible plastic fiber, optimized for repeated bending and longevity. Minimum Detectable Object: Achieves micron-level detection when utilized with a suitable Keyence amplifier, offering superior accuracy. Bending Radius: Approximately 4 mm, showcasing its exceptional flexibility for intricate routing paths. Operating Temperature: A wide range from -40°C to 70°C (-40°F to 158°F), ensuring reliable operation across diverse climatic conditions. Mounting: Versatile mounting options including adhesive or bracket, adaptable to specific application requirements for secure installation. Applications Electronics Manufacturing: Essential for precise detection of tiny electronic elements, delicate leads, and complex circuit board features during assembly. Label and Film Detection: Provides accurate sensing of edges, gaps, and registration marks on labels and thin films, vital for packaging and converting processes. Packaging Machinery: Ensures critical verification of seal integrity, flap presence, and product positioning within high-speed packaging lines, minimizing errors. Robotics and End Effectors: An optimal selection for integration into robotic grippers and end effectors, enabling precise tool-mounted sensing for complex manipulation tasks. Medical Device Assembly: Crucial for the meticulous and fine precision component detection required in the manufacturing of sensitive medical devices. General Industrial Automation: Perfect for any application demanding high-accuracy object detection in confined spaces with stringent flexibility requirements. Why ChooseThe Keyence FU-6F stands out as a leading solution due to its unparalleled combination of flexibility, precision, and durability. Its ultra-flexible design not only simplifies installation but also ensures reliable long-term performance.Order NowContact us today to integrate the Keyence FU-6F into your automation system.FAQWhat is the primary advantage of the Keyence FU-6F?Its main advantage is the exceptional flexibility and small size, allowing it to be installed and operate effectively in very confined and challenging industrial environments.What types of Keyence amplifiers are compatible with the FU-6F?The FU-6F is designed for seamless integration with Keyence FS-V and FS-N series fiber optic amplifiers.Can the FU-6F detect very small objects?Yes, when used with a suitable Keyence amplifier, it can achieve micron-level detection, making it ideal for precision manufacturing.

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$57.00
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PRODUCT DETAILS

Keyence FU-6F

Overview

This is a genuine Keyence component from the Sensors family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Keyence catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Keyence automation ecosystem
  • Engineered to integrate inside Sensors installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Keyence equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Keyence catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Keyence platform with documented conversion notes for the Sensors family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: FU-6F
  • Sensor Type: Fiber Optic Sensor Head
  • Detection Method: Diffuse reflective (functionality is dependent on the paired amplifier unit)
  • Cable Type: Ultra-flexible plastic fiber, optimized for repeated bending and longevity.
  • Minimum Detectable Object: Achieves micron-level detection when utilized with a suitable Keyence amplifier, offering superior accuracy.
  • Bending Radius: Approximately 4 mm, showcasing its exceptional flexibility for intricate routing paths.
  • Operating Temperature: A wide range from -40°C to 70°C (-40°F to 158°F), ensuring reliable operation across diverse climatic conditions.
  • Mounting: Versatile mounting options including adhesive or bracket, adaptable to specific application requirements for secure installation.

Applications

  • Electronics Manufacturing: Essential for precise detection of tiny electronic elements, delicate leads, and complex circuit board features during assembly.
  • Label and Film Detection: Provides accurate sensing of edges, gaps, and registration marks on labels and thin films, vital for packaging and converting processes.
  • Packaging Machinery: Ensures critical verification of seal integrity, flap presence, and product positioning within high-speed packaging lines, minimizing errors.
  • Robotics and End Effectors: An optimal selection for integration into robotic grippers and end effectors, enabling precise tool-mounted sensing for complex manipulation tasks.
  • Medical Device Assembly: Crucial for the meticulous and fine precision component detection required in the manufacturing of sensitive medical devices.
  • General Industrial Automation: Perfect for any application demanding high-accuracy object detection in confined spaces with stringent flexibility requirements.

Why Choose the FU-6F?

The Keyence FU-6F stands out as a leading solution due to its unparalleled combination of flexibility, precision, and durability. Its ultra-flexible design not only simplifies installation but also ensures reliable long-term performance.

Availability & Shipping

  • In stock: FU-6F ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every FU-6F ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Keyence

Its main advantage is the exceptional flexibility and small size, allowing it to be installed and operate effectively in very confined and challenging industrial environments.

Machine down? We ship parts the same day.

New, surplus, and refurbished Keyence inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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