Keyence FU-77TG | Thin-Beam Reflective Fiber Optic Sensor Head

Keyence FU-77TG | High-Precision Reflective Fiber Optic Sensor Head

Overview

The Keyence FU-77TG is a reflective fiber optic sensor head designed for precise, high-speed detection of small or fine objects in space-constrained automation systems. With a thin beam spot, this model is ideal for detecting edges, gaps, or micro-components with exceptional accuracy.

Its durable, flexible fiber construction makes it easy to route through tight installations, while maintaining excellent sensing performance when paired with Keyence fiber amplifiers (e.g., FS-N series).

Key Features

• Thin Beam Reflective Type – Ideal for detecting small parts or fine features
• Compact Sensor Head – Perfect for tight spaces
• High-Precision Detection – Stable performance even in dynamic environments
• Durable Stainless Steel Sheath – Resistant to wear and bending
• Compatible with Keyence FS Series Amplifiers

Technical Specifications

• Model: FU-77TG
• Sensor Type: Reflective
• Beam Spot: Thin beam
• Minimum Detectable Object: ~0.005 mm (depending on amplifier)
• Fiber Length: Approx. 1 m
• Bending Radius: 4 mm min.
• Mounting: M3-compatible brackets or adhesive mounting
• Sheath Material: Stainless steel

Applications

• Micro Part and Edge Detection
• Gap and Position Verification
• High-Speed Counting
• Electronics and Semiconductor Assembly
• Precision Automation Machinery

Why Choose the Keyence FU-77TG?

• Excellent for high-precision detection in limited space
• Thin beam allows for detailed part sensing
• Built to last in demanding environments

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Brand new. Fast shipping and worldwide delivery available.

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