11 in stock
KEYENCE Fiber Amplifier FU-31 – High Precision Sensor Device
Fast Shipping
Carrier information
24/7 Support
7x24-hour service
20k products
Super many products
Payment Method
PayPal, Alipay
KEYENCE Fiber Amplifier FU-31 – High Precision Sensor Device
High precision fiber amplifier for reliable detection in industrial environments.
| Brand | KEYENCE |
| Model | FU-31 |
| Voltage | 24V DC |
| Country of Origin | Japan |
| Weight | 0.1 kg |
| Dimensions | 30 x 20 x 15 mm |
| Warranty | 1 year |
| Certifications | CE, RoHS |
| SKU / MPN | FU-31-001 |
| What’s in the box | Fiber Amplifier, User Manual, Mounting Bracket |
| Detection Distance | 10-100 mm |
| Response Time | 0.5 ms |
| Output Type | NPN/PNP |
| Light Source | Red LED |
| Operating Temperature | -10 to 55°C |
| Protection Rating | IP67 |
Key benefits: High sensitivity, fast response, compact design, easy setup.
Typical applications: Object detection, position sensing, part presence verification.
Order number: KEYENCE Fiber Amplifier FU-31 – High Precision Sensor Device
Lifecycle: Active
Documentation: https://www.keyence.com/products/sensor/fiber/fu-31/manual/
1 review for KEYENCE Fiber Amplifier FU-31 – High Precision Sensor Device
Clear filtersOur Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don’t worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitve pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.

Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.

Richard S. –
Product was exactly as described. Our engineers were pleased with the performance.