Product Description

The Keyence FU-91 is a high-precision reflective fiber optic sensor designed for detecting minute objects in industrial automation and quality control applications. With a beam emitting direction from the top and a compact fiber unit diameter of ø1.3×2 mm, it offers flexibility in installation and integration into various systems. The sensor boasts an impressive minimum detectable object size of just 0.005 mm, making it ideal for detecting fine particles or micro-components. Its robust construction ensures durability, withstanding ambient temperatures ranging from -40°C to +70°C, making it suitable for demanding industrial environments.​

Technical Specifications

• Model: FU-91
• Type: Reflective fiber optic sensor
• Beam Emitting Direction: Top
• Fiber Unit Length: 2 meters (free-cut)
• Fiber Unit Diameter: ø1.3×2 mm
• Minimum Bend Radius: R40 mm
• Minimum Detectable Object: ø0.005 mm (gold wire)
• Environmental Resistance:
• Ambient Temperature: -40°C to +70°C
• Weight: Approximately 32 g