The KEYENCE FU-71 is a high - performance fiber unit designed for industrial automation. It is part of a sophisticated fiber optic sensing system. With its compact and durable design, it can be easily integrated into various industrial setups. The unit offers excellent light transmission and reception capabilities, enabling accurate detection of objects, regardless of their shape, color, or surface finish. This makes it a reliable choice for a wide range of applications.
This fiber unit comes with several remarkable features. It has a high - speed response time, allowing for real - time detection in fast - paced production lines. The adjustable sensitivity enables users to fine - tune the detection according to specific requirements. Moreover, it has a wide operating temperature range from -10°C to 55°C, ensuring stable performance in different industrial environments. The IP67 rating provides protection against dust and water, making it suitable for harsh conditions.
The FU - 71 is widely used in multiple industrial sectors. In the automotive industry, it can detect parts on the assembly line, ensuring accurate placement and quality control. In the food and beverage industry, it helps in detecting the presence or absence of products in packaging. Additionally, in the electronics manufacturing, it can precisely detect tiny components, contributing to the high - precision production process. Its versatility makes it an essential tool in industrial automation.
Attribute | Details |
Product Name | KEYENCE FU-71 Fiber Unit |
Type | Thru-Beam Fiber Optic Sensor Unit (requires a compatible amplifier) |
Key Features | - Ultra-Precise Detection: 0.01mm repeatability for micron-level accuracy in critical applications. - Wide Dynamic Range: Supports multiple power modes (Mega, Super, Turbo, HSP) for flexible distance adjustment. - IP67 Protection: Dust- and water-resistant design for harsh industrial environments. |
Technical Specifications | - Optical Axis Diameter: ø1.5mm (standard target detection). - Fiber Unit Length: 2m (free-cuttable) with ø2.2mm diameter. - Minimum Bend Radius: R25mm. - Ambient Temperature: -40°C to +70°C. - Weight: Approx. 25g. |
Detection Range | - Mega Mode: 3600mm - Super Mode: 2600mm - Turbo Mode: 1800mm - HSP Mode: 650mm (Varies based on amplifier settings and target material) |
Installation | - Threaded M6 Mounting: Secure and compact installation. - Free-Cut Fiber: Customizable length for complex setups. - Alignment Assistance: Built-in green LED for easy optical axis alignment. |
Compatibility | - Amplifiers: Works with KEYENCE’s FS-V series and other compatible fiber optic amplifiers. - Lens Attachments: Optional F-1 lens for side-view detection. |
Applications | - Semiconductor Manufacturing: Wafer inspection and precision component handling. - Electronics Assembly: Tiny part detection and PCB quality control. - Automotive Industry: High-speed conveyor belt monitoring. |
Certifications | CE-compliant (EU Directives), RoHS-certified (lead-free). |
Warranty | 1-year limited warranty (varies by region; check local distributor for details). |
Typical Use Cases | - Detecting micro-sized objects in cleanroom environments. - Monitoring fast-moving parts on production lines. - High-precision alignment in robotics and CNC machines. |
Additional Notes | - Requires an amplifier unit (sold separately) for operation. - Suitable for both reflective and transmissive sensing configurations. - Anti-electromagnetic interference (EMI-resistant) for stable performance in noisy environments. |
Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are perfectly.

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