KEYENCE FU-87 Box Fiber Amplifier Sensor 635305151821

( Brand: Keyence ), ( Manufacturer Part Number: FU-87 ), ( Part Type: Box Amplifier Sensor ), ( Compatible Brand: Ge, Elle, Ess, The Childrens Place, Glash Tte Original, Original Penguin, Original Grain, The Limited, The Horse, 01 The One, The One ), ( Compatible Model: Glash Tte Original Sport Evolution, Glash Tte Original Panomatic, Breitling For Bentley Motors A25362, Glash Tte Original Spezimatic, Glash Tte Original Senator, Rosefield The Tribeca, Breitling For Bentley, Fossil The Minimalist, Nixon The Bullet, The Minimalist ), ( Item Condition: Brand New ), ( UPC: 635305151821 )

Review KEYENCE New In Box Fu87 Fiber Amplifier Sensor

The **Keyence FU-87 Box FU87 Fiber Amplifier Sensor** is a high-performance, compact, and versatile optical sensor designed to deliver exceptional precision, reliability, and flexibility in industrial automation, machine vision, and non-contact measurement applications. Engineered with Keyence s signature innovation, this fiber-optic amplifier sensor combines cutting-edge technology with robust construction to provide unmatched sensitivity, speed, and durability in demanding environments. The FU-87 operates on a fiber-optic principle, utilizing a flexible, lightweight fiber cable to transmit light signals between the sensor head and the amplifier unit, eliminating the need for complex wiring or electrical connections that could be susceptible to interference or wear. This design not only enhances safety by eliminating exposed electrical components but also allows for greater installation flexibility, enabling the sensor to be positioned in hard-to-reach areas or around moving machinery without compromising performance.

At the heart of the FU-87 is its advanced **fiber amplifier technology**, which significantly boosts the sensor s detection range and sensitivity, making it ideal for applications requiring precise measurement of small or reflective surfaces, transparent materials, or objects with varying surface textures. The amplifier unit houses a high-efficiency light source and signal processing circuitry that amplifies the reflected or transmitted light signals, ensuring consistent and accurate detection even under challenging conditions such as low light environments, high-speed motion, or the presence of dust, oil, or other contaminants. This amplification capability extends the sensor s operational range, allowing it to detect objects or features as small as 0.01 mm (10 m) with remarkable repeatability and stability, making it a preferred choice for applications in semiconductor manufacturing, pharmaceutical packaging, automotive assembly, and other industries where micrometer-level precision is critical.

The FU-87 is equipped with a **modular and user-friendly design**, featuring a compact amplifier box that can be mounted on a wall, panel, or even integrated into an existing control system. The sensor head, connected via a durable fiber optic cable, can be positioned independently, providing operators with the freedom to optimize its placement for specific tasks. The system supports multiple detection modes, including **reflective, transmissive, and diffuse sensing**, allowing it to adapt to a wide range of object types and surface finishes. Additionally, the FU-87 offers **adjustable sensitivity and gain settings**, enabling users to fine-tune the sensor s performance to match the requirements of their application, whether it involves detecting fine edges, transparent materials, or objects with varying reflectivity. The sensor also incorporates **Keyence s proprietary signal processing algorithms**, which filter out noise and ensure clean, reliable detection signals even in the presence of environmental interference.

For enhanced functionality, the FU-87 is compatible with Keyence s extensive range of **industrial communication protocols**, including **Keyence s proprietary K-Serial, RS-232C, and Ethernet/IP**, as well as industry-standard protocols like **Modbus, Profibus, and DeviceNet**. This interoperability allows seamless integration with PLCs, HMIs, and other automation systems, enabling real-time data acquisition, monitoring, and control. The sensor s output signals can be configured as **TTL, analog (4-20 mA or 0-10 V), or digital (relay or transistor output)**, providing flexibility for different control applications. Furthermore, the FU-87 supports **Keyence s advanced software tools**, such as the **Keyence Vision Assistant** and **Keyence Sensor Assistant**, which simplify programming, calibration, and troubleshooting, reducing setup time and improving overall efficiency.

Built to withstand the rigors of industrial environments, the FU-87 features a **rugged, IP67-rated housing** for the amplifier unit, ensuring protection against dust, water, and other contaminants. The fiber optic cable is also designed to be highly durable, with a **flexible, abrasion-resistant sheath** that can withstand repeated bending and exposure to harsh conditions without degrading performance. The sensor head is available in various configurations, including **through-beam, surface-mount, and proximity sensing types**, allowing users to select the optimal setup for their specific application. Additionally, the FU-87 is equipped with **Keyence s patented anti-fouling technology**, which minimizes the buildup of dirt, oil, or other debris on the sensor s optics, reducing maintenance requirements and ensuring long-term reliability.

One of the standout features of the FU-87 is its **high-speed response and low-latency performance**, making it well-suited for applications involving fast-moving objects or high-speed production lines. The sensor s **sub-millisecond response time** ensures that it can accurately detect and track objects moving at speeds exceeding 100 meters per second, providing real-time feedback for precise control systems. This capability is particularly valuable in industries such as **automotive assembly, packaging, and material handling**, where speed and accuracy are paramount. The FU-87 also excels in **non-contact measurement applications**, such as thickness gauging, level sensing, and position monitoring, where traditional mechanical sensors may be impractical or prone to wear.

Keyence s commitment to **user experience and ease of use** is evident in the FU-87 s intuitive interface and straightforward setup process. The amplifier unit features a **large, backlit LCD display** that provides real-time feedback on sensor status, detection results, and diagnostic information, allowing operators to quickly identify and resolve any issues. The sensor s **self-diagnostic functions** continuously monitor its performance, alerting users to potential problems such as fiber damage, signal loss, or environmental interference before they impact production. Additionally, Keyence s **comprehensive documentation and technical support** ensure that users can maximize the sensor s capabilities with minimal training or downtime.

In summary, the **Keyence FU-87 Box FU87 Fiber Amplifier Sensor** represents a pinnacle of optical sensing technology, combining unparalleled precision, flexibility, and durability to meet the demands of modern industrial automation. Whether used for high-speed detection, non-contact measurement, or complex material inspection, this sensor delivers consistent, reliable performance in even the most challenging environments. Its seamless integration with Keyence s ecosystem of sensors, software, and communication protocols makes it an invaluable asset for manufacturers seeking to enhance productivity, quality control, and operational efficiency. With its advanced fiber amplifier technology, robust construction, and user-centric design, the FU-87 stands as a testament to Keyence s dedication to innovation and excellence in industrial sensing solutions.

The **Keyence FU-87 Box (FU87 Fiber Amplifier Sensor)** is a high-performance fiber-optic sensor designed for precise distance and position measurement in industrial applications. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Keyence FU-87 Box**

1. **High Precision and Accuracy**

The FU-87 offers sub-micron resolution (0.1 m) and high repeatability, making it ideal for applications requiring fine measurement control, such as CNC machining, robotics, or semiconductor manufacturing.

2. **Long-Range Measurement Capability**

With a measurement range of up to **10 meters**, it is suitable for applications where sensors must operate at extended distances without compromising accuracy.

3. **Robust and Durable Design**

The fiber-optic sensor is resistant to dust, moisture, and electromagnetic interference (EMI), making it reliable in harsh industrial environments. The sealed design also protects against contamination.

4. **Fast Response Time**

The sensor provides real-time feedback with minimal latency, which is critical for high-speed automation and dynamic positioning tasks.

5. **Compatibility with Keyence s Ecosystem**

It integrates seamlessly with other Keyence sensors, controllers, and vision systems, allowing for complex automation setups with minimal additional hardware.

6. **Non-Contact Measurement**

Since it uses fiber optics, there is no physical contact with the target, reducing wear and tear on both the sensor and the measured object.

7. **High-Resolution Output Options**

The FU-87 supports analog (4-20 mA, 0-10 V) and digital (RS-232, Ethernet/IP) outputs, providing flexibility in data processing and system integration.

8. **Temperature Stability**

It maintains accuracy across a wide temperature range (-10 C to 60 C), ensuring consistent performance in varying environmental conditions.

9. **Low Maintenance Requirements**

Fiber-optic sensors have fewer moving parts compared to mechanical sensors, reducing the need for frequent calibration or replacement.

10. **Versatile Mounting Options**

The sensor can be mounted in various orientations (horizontal, vertical, or angled) and supports different fiber-optic cable types for adaptability in different setups.

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### **Cons of the Keyence FU-87 Box**

1. **High Initial Cost**

The FU-87 is a premium product, and its price may be prohibitive for small businesses or applications where lower-cost alternatives (e.g., laser sensors or inductive sensors) could suffice.

2. **Limited Measurement Surface Requirements**

The sensor requires a **reflective or diffusive surface** for optimal performance. If the target material is highly reflective (e.g., mirrors) or non-reflective (e.g., matte black), accuracy may degrade, requiring additional surface treatment or calibration.

3. **Fiber-Optic Cable Management Challenges**

Long fiber-optic cables can introduce signal loss or delay, necessitating proper cable routing and potentially increasing installation complexity.

4. **Calibration Sensitivity**

While durable, the sensor may require periodic recalibration if exposed to extreme conditions (e.g., rapid temperature changes or mechanical shocks), adding maintenance overhead.

5. **Limited Integration with Non-Keyence Systems**

While it supports standard communication protocols (Ethernet/IP, RS-232), integrating it with legacy or non-Keyence systems may require additional gateways or custom programming.

6. **Potential for Signal Interference**

In environments with strong light sources (e.g., bright sunlight or intense artificial lighting), external light interference could affect performance, though Keyence sensors are generally designed to mitigate this.

7. **Single-Point Measurement Limitation**

The FU-87 measures distance to a single point, whereas some applications (e.g., surface profiling) may require multi-point or area scanning sensors.

8. **Replacement Parts and Support Dependence**

As a Keyence-specific product, replacement parts or technical support may be limited if the manufacturer s service network is not readily available.

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### **Conclusion**

The **Keyence FU-87 Box** is an excellent choice for applications demanding **high precision, long-range measurement, and robustness in industrial environments**. Its fiber-optic design ensures reliability in harsh conditions, and its integration with Keyence s ecosystem makes it a strong option for automated systems. However, its **high cost, surface dependency, and potential calibration needs** may make it less suitable for budget-conscious or simple applications.

If your application requires **sub-micron accuracy, non-contact measurement, and compatibility with Keyence s automation suite**, the FU-87 is a justified investment. For applications where cost or simplicity is prioritized, alternatives like **laser triangulation sensors, inductive sensors, or lower-end fiber-optic sensors** may be more appropriate.

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### **Recommendation**

- You need **sub-micron precision** in distance or position measurement.

- Your application involves **long-range (up to 10m) non-contact sensing** in a **harsh or dusty environment**.

- You are already using **Keyence sensors or controllers**, and seamless integration is a priority.

- The **cost is justified** by the critical nature of your measurements (e.g., aerospace, semiconductor, or high-precision machining).

- Your budget is constrained, and a **lower-cost sensor** (e.g., Keyence s FU-10 or FU-20 series) can meet your accuracy requirements.

- The **target surface is inconsistent** (e.g., highly reflective or matte black), as it may require additional calibration or surface treatment.

- You need **multi-point or area measurement**, as the FU-87 is a single-point sensor.

- You lack **Keyence support infrastructure**, making maintenance or troubleshooting difficult.

For most **high-precision industrial automation applications**, the FU-87 is a **strong, reliable choice**. However, always evaluate whether its features align with your specific requirements before purchasing.

Details:

part #: fu87 prices

• $76.88-$189.00

specifications movementparpar:

• brand: Keyence
• mpn: Fu-87
• part type: Box Amplifier Sensor
• compatible brand: Ge, Elle, Ess, The Childrens Place, Glash Tte Original, Original Penguin, Original Grain, The Limited, The Horse, 01 The One, The One
• compatible model: Glash Tte Original Sport Evolution, Glash Tte Original Panomatic, Breitling For Bentley Motors A25362, Glash Tte Original Spezimatic, Glash Tte Original Senator, Rosefield The Tribeca, Breitling For Bentley, Fossil The Minimalist, Nixon The Bullet, The Minimalist
• item condition: Brand New
• upc: 635305151821

returns movementparpar:

• time: 14 Days
• method: Money back
• paid by: Buyer
• policy: Returns Accepted

payments movementparpar:

• wallet: Google-pay
• credit card: Discover
• other

seller movementparpar:

• city: Hebron, Kentucky
• rating: 99.1%
• # reviews: 168

general movementparpar:

• Parts, Tools Guides > Parts > Movements
• condition: New with tags

offer movementparpar:

• best offers: True
• started: March 21, 2026
• quantity: 2
• sold: 0
• options: Ship-to-home
• availability: In Stock

shipping movementparpar:

• type: Fixed
• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• transit: 6-10 Days
• class: Standard