Keyence FU-12 | Thrubeam Fiber Optic Sensor Unit

Keyence FU-12 | High-Precision Thrubeam Fiber Unit for Compact Detection Applications

Overview

The Keyence FU-12 is a thrubeam-type fiber optic sensor unit designed for precise object detection in space-constrained environments. With a slim fiber head and high-resolution sensing capabilities, the FU-12 is ideal for detecting small objects or positioning tasks in assembly lines, electronics manufacturing, and high-speed automation.

This unit is used in combination with a Keyence fiber optic amplifier (sold separately) such as those in the FS-V, FS-N, or FS-M series.

Key Features

• Thrubeam Configuration – Separate emitter and receiver for high-accuracy detection

• Ultra-Compact Sensing Head – Ideal for tight installation spaces

• High Resolution – Detects minute targets and subtle changes

• Flexible Fiber Cable – Easy routing through machinery

• Durable Construction – Designed for repeated bending and harsh use

• Compatible with Keyence Amplifiers – Plug-and-play with FS series units

• Stable Operation – Reliable even in dusty or noisy environments

Technical Specifications

• Model: FU-12

• Type: Thrubeam fiber unit

• Sensing Distance: Approx. 10 mm (typical, varies with amplifier settings)

• Minimum Detectable Object: As small as 0.01 mm (with compatible amplifier)

• Fiber Length: Approx. 2 m

• Bending Radius: Minimum 4 mm (static), 10 mm (dynamic)

• Sheath Material: Flexible resin

• Head Dimensions: Ultra-small type for precise positioning

• Operating Temperature: –40 to +70°C

• Compatible Amplifiers: FS-V series, FS-N series, FS-M series, etc.

Applications

• Electronic Component Detection – Sensing micro parts and wires

• Precision Assembly Lines – Detecting small gaps, parts, or positions

• Label and Film Detection – Ensuring correct alignment or presence

• Automation Equipment – Integrated into compact or high-speed systems

Why Choose the Keyence FU-12?

• High-precision sensing in ultra-small spaces

• Easy integration with Keyence amplifiers

• Reliable performance for detailed detection tasks

Order Now

In stock and ready for fast global shipping. 

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply