
Keyence
- Available:
- 14 pcs.On RequestUpdated at: 22-08-2026
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
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The Keyence FU-35FA Reflective Fiber Unit is designed for high-precision detection in a variety of industrial applications. Featuring a coaxial detection arrangement and a straight shape, this fiber unit ensures reliable performance even in compact spaces. The fiber unit length is 1 meter (39.37 inches) and can be freely cut to suit specific installation requirements. With a minimum bend radius of R25 mm (0.984 inches), the FU-35FA offers flexibility in routing and installation.
Engineered to detect objects as small as a gold wire with a diameter of 0.005 mm (0.0002 inches), this fiber unit is ideal for applications requiring high sensitivity and precision. The unit operates effectively in a wide temperature range from -40 to +70 °C (-40 to 158 °F), ensuring durability and performance in various environmental conditions. Weighing approximately 6 grams, the FU-35FA is lightweight and easy to handle during installation.
Whether used in manufacturing, quality control, or automation processes, the Keyence FU-35FA Reflective Fiber Unit provides exceptional accuracy and reliability. For optimal performance, pair it with the appropriate fiber amplifier from the FS-N40 Series.

Keyence
Keyence
Keyence
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Datasheet for Keyence FU-35FA, including specifications and features.
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