Keyence FU-4FZ

Keyence FU-4FZ Reflective Fibre Unit

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Keyence FU-4FZ FU-4FZ Reflective Fibre Unit — Proximity & Inductive Sensors
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Keyence FU-4FZ FU-4FZ Reflective Fibre Unit — Proximity & Inductive Sensors
Keyence FU-4FZ FU-4FZ Reflective Fibre Unit — Proximity & Inductive Sensors
Keyence FU-4FZ FU-4FZ Reflective Fibre Unit — Proximity & Inductive Sensors

Product Description

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.

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Offer details

Best offer from:
Trusted supplier — United States, member since 2022, 50–99 employees
Availability:
2 pcs.
In-Stock
Updated at: 09-09-2026
Warranty:
2 months
Condition:
New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Keyence
Model
FU-4FZ
Size
ø3 mm
Minimum bend radius
R2 mm Tough-Flex
Minimum detectable object
Gold wire with a diameter of 0.005 mm
Environmental resistance
Ambient temperature -40 to +50 °C

Available Offers

(2)
FU-4FZ Keyence, Proximity & Inductive Sensors

Keyence

Available:
1 pc.
On Request
Updated at: 22-08-2026
Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees

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Documents

Data Sheet

Datasheet for Keyence FU-4FZ, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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