- Optical axis diameter: (Standard target to be detected) √∏0.7 mm0.028″
- Size: √∏1.5 mm0.059″
- Fibre unit length: 1 m39.37″ free-cut
- Fibre unit diameter: √∏1.0
- Minimum bend radius: R4 mm0.157″ high-flex
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- Brand: Keyence
Keyence FU-59 Digital Fiber Optic Sensor, Fiber Unit Thrubeam Type
Mfr # FU-59
$86.91
/ea
Availability: Available to Order|Typically ships within 7 to 10 business days. Lead time may vary based on supplier availability.
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- High-precision detection with Ø0.7 mm optical axis: Ensures accurate sensing of small targets with a narrow, concentrated beam.
- Compact, flexible design: Slim Ø1.5 mm size with Ø1.0 mm fiber diameter allows installation in tight spaces.
- Durable high-flex construction: Minimum bend radius of R4 mm enables reliable use in dynamic or limited-space applications.
- Customizable fiber length: Supplied in a 1 m free-cut design, making it adaptable to various installation requirements.
The Keyence FU-59 is a thrubeam-type fiber optic unit designed for precision detection tasks in environments where space is limited and accuracy is critical. With its ‚àö‚àè0.7 mm optical axis diameter, the FU-59 delivers exceptional detection accuracy, making it suitable for identifying small parts, fine wires, or micro-components in assembly and inspection processes. This narrow beam reduces false detections and improves the reliability of results, particularly in high-density production lines where target spacing is minimal.
One of the standout aspects of the FU-59 is its compact construction. With a size of only ‚àö‚àè1.5 mm and a fiber diameter of ‚àö‚àè1.0 mm, it can be easily integrated into machinery with tight mounting spaces or complex layouts. This design flexibility allows engineers to position the sensor unit in areas where traditional sensors may not fit, ensuring that detection capabilities are not compromised by installation constraints.
Durability and long-term performance are also core strengths of the FU-59. The fiber unit is engineered with high-flex construction, allowing a minimum bend radius of just R4 mm. This makes it ideal for applications where the fiber must be routed around moving parts, tight corners, or confined spaces without risking damage or signal loss. The ability to withstand repeated bending and flexing ensures consistent performance even under demanding operating conditions.
Another advantage of the FU-59 is its free-cut fiber length, provided in a standard 1 m size. This design gives installers the ability to trim the fiber to the exact length needed for each application, minimizing waste while simplifying cable management. This adaptability is particularly beneficial in custom machine builds or retrofit projects where cable lengths vary depending on the layout.
In practical use, the FU-59 excels in industries such as electronics manufacturing, precision assembly, and quality inspection. Its ability to detect extremely small targets with high repeatability makes it valuable in processes like solder joint inspection, connector pin alignment, or micro-part positioning. Additionally, when paired with compatible fiber optic amplifiers, the FU-59 can be fine-tuned for sensitivity, speed, and stability, enhancing its versatility across different production environments.
Overall, the Keyence FU-59 fiber unit combines precision, compact design, durability, and adaptability into a reliable sensing solution. Its specialized design ensures that manufacturers can achieve high-quality detection results even in the most space-restricted or demanding environments. By supporting efficient installation, long-term reliability, and precise detection, the FU-59 provides a dependable component for advanced automation systems and precision manufacturing applications.
Product Specifications
| Manufacturer | Keyence |
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