
Keyence
- Available:
- 1 pc.On RequestUpdated at: 22-08-2026
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
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The Keyence FU-4FZ Reflective Fibre Unit is designed for high precision detection of extremely small objects, such as gold wire with a diameter of 0.005 mm. This unit features a size of ø3 mm and a fibre unit length of 2 meters, which can be freely cut to suit your application needs. The fibre unit diameter is ø1.3×2 mm, and it boasts a minimum bend radius of R2 mm, ensuring flexibility and durability with its Tough-Flex construction.
Engineered to perform in a wide range of environments, the FU-4FZ operates reliably within an ambient temperature range of -40 to +50 °C. Weighing approximately 8 grams, it is lightweight yet robust, making it suitable for various industrial applications. The unit is compatible with the FS-N40 Series Digital Fibre Optic Sensor, enhancing its functionality and integration capabilities.
Whether you are involved in electronics manufacturing, precision engineering, or other industries requiring meticulous detection, the FU-4FZ provides the accuracy and reliability you need. Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

Keyence
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