- Type: Area thrubeam
- No. of beam axes: 11 √ó 2 mm0.433″ √ó 0.079″, 11 √ó 1 mm0.433″ √ó 0.039″ (when the 1.0 mm0.039″ slit is attached), 11 √ó 0.5 mm0.433″ √ó 0.02″ (when the 0.5 mm0.02″ slit is attached)
- Fibre unit length: 2 m78.74″ free-cut
- Fibre unit diameter: √∏2.2
- Minimum bend radius: R2 mm0.079″
Free Shipping: $50+ U.S. orders | $350+ International orders
12-Month Warranty
Hassle-Free Returns Within 30 days
Over 100,000 parts in stock
- Brand: Keyence
Keyence FU-E11 Fiber Optic Sensor, Transmissive Fiber Unit, Area, 11-mm Wide
Mfr # FU-E11
$297.43
/ea
Availability: Available to Order|Typically ships within 7 to 10 business days. Lead time may vary based on supplier availability.
- Free shipping on U.S. orders over $50 and international orders over $350.
- Hassle-Free 30-Day Returns.
- 12-Month Warranty for all products.
- Get 10% off—join our email list.
Accepted Payments
- Multi-axis Area Detection: Utilizes 11 beam axes, with adjustable resolution using optional slits (2 mm, 1 mm, or 0.5 mm beam spacing) for precise area sensing.
- Compact Fiber Design: 2 m free-cut fiber length with a Ø2.2 mm diameter, ensuring installation flexibility in constrained spaces.
- Tight Bend Radius: Minimum bend radius of just R2 mm allows routing around tight corners without signal degradation.
- High-precision Thrubeam Technology: Area-type transmissive detection ensures reliable detection of small or irregular objects across multiple beam lines.
The Keyence FU-E11 is a specialized transmissive fiber unit designed to provide highly reliable detection across a wide sensing area. Unlike conventional single-beam fiber units, the FU-E11 incorporates multiple beam axes—11 in total—arranged in an 11-mm wide detection zone. This configuration enables the sensor to monitor a broader target path, making it particularly well-suited for applications requiring area-based detection rather than point-based verification. By using the included slit attachments, users can fine-tune the detection resolution: a standard 2 mm spacing for general-purpose applications, a tighter 1 mm configuration for smaller targets, or an ultra-fine 0.5 mm setup for precision detection. This versatility allows the FU-E11 to adapt to a range of industries and inspection requirements, from electronic component verification to packaging line quality control.
The unit is built with durability and flexibility in mind. The fiber length extends to 2 meters and can be cut freely to suit installation requirements, while the compact ‚àö‚àè2.2 mm diameter fiber body enables placement in narrow machine spaces where conventional sensors might not fit. Its ability to bend around corners with a radius as small as 2 mm ensures that installation constraints do not compromise performance. This design consideration is particularly advantageous in modern automated systems where space optimization and cable management are critical.
From a performance standpoint, the thrubeam configuration ensures high detection stability. By using an emitter and receiver pair, the system minimizes the risk of false triggers caused by ambient light or surface reflections. This makes the FU-E11 ideal for environments where object surfaces vary in texture or finish. The multi-axis detection not only increases reliability but also reduces the chance of missed detections when parts shift or tilt during movement, an essential factor in automated production lines where alignment cannot always be guaranteed.
The FU-E11’s area detection capability provides additional benefits in quality assurance and safety applications. For instance, it can be used to confirm whether an object fully passes through a designated zone, verify the presence of transparent or semi-transparent items, or detect misalignment across multiple axes. This adaptability allows it to integrate seamlessly into a wide variety of automation setups, from semiconductor manufacturing to food and beverage inspection.
In summary, the Keyence FU-E11 Transmissive Fiber Unit combines multi-axis precision, compact and flexible fiber design, and robust thrubeam sensing technology. Its ability to deliver consistent detection in complex environments makes it a valuable component in high-speed and high-accuracy automated systems. Whether deployed in electronics, packaging, or assembly applications, the FU-E11 provides a reliable and adaptable solution for advanced industrial sensing requirements.
| Manufacturer | Keyence |
|---|
We’re Always Ready to Assist You
Submit A Request
Reach us through our form.
Give Us A Call
Connect with a representative.
Live Chat
Chat live with our support team.

Reviews
There are no reviews yet.