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Fiber Optic Sensor KEYENCE FU-A40 High Precision Detection
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KEYENCE FU-A40
High-precision reflective fiber optic unit for reliable detection of small or transparent objects in tight spaces
| Brand | KEYENCE |
| Model | FU-A40 |
| Voltage | 12-24V DC (via compatible amplifier) |
| Country of Origin | Japan |
| Weight | 15 g |
| Dimensions | M4 thread, 2 m fiber cable length |
| Certifications | CE, UL, RoHS, IP67 |
| SKU / MPN | FU-A40 |
| What’s in the box | FU-A40 fiber unit, mounting nut, instruction manual |
| Detection Type | Reflective (Diffuse-reflective) |
| Fiber Length | 2 m (free-cut) |
| Detection Range | 1-20 mm (depending on amplifier) |
| Fiber Core Size | 0.5 mm |
| Operating Temperature | -20 to +70 °C |
| Compatible Amplifiers | KEYENCE FS-N, FS-V, FS-V10 series |
Key benefits: M4 threaded compact head, free-cut 2m fiber, IP67 rated, wide amplifier compatibility, high-speed response, resistant to harsh environments
Typical applications: PCB component detection, semiconductor wafer positioning, small part counting on conveyors, label detection on packaging lines, transparent object detection in bottling and pharmaceutical industries
Lifecycle: Active product, expected 7-10 years availability with full manufacturer support
1 review for Fiber Optic Sensor KEYENCE FU-A40 High Precision Detection
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Reliable PLC module, works flawlessly in our testing environment.