Product Description

The KEYENCE FU-66Z is a compact, high-sensitivity reflective fiber optic sensor head designed for precise detection in tight spaces. It features an M4 threaded mounting and a straight, stainless steel construction, ensuring durability and flexibility in installation. The sensor includes a 2-meter Tough-Flex fiber unit that can be freely cut to length, offering a parallel detection arrangement. Its robust design allows it to operate effectively in ambient temperatures ranging from -40°C to +50°C, making it suitable for various industrial environments. Weighing approximately 10 grams, the FU-66Z provides reliable performance for detecting minute objects, such as gold wires with a diameter of 0.005 mm.​

Technical Specifications

• Model: FU-66Z
• Thread Size: M4
• Fiber Unit Length: 2 meters (free-cut)
• Fiber Unit Diameter: ø1.3×2 mm
• Shape: Straight
• Minimum Bend Radius: 2 mm (Tough-Flex)
• Minimum Detectable Object: Gold wire with a diameter of 0.005 mm
• Ambient Temperature Range: -40 to +50°C
• Weight: Approximately 10 g​