







ExFo FLS-140 Visual Fault Locator | Pocket-Sized Fiber Optic Cable Tester with 655 nm Red Laser, 5 km Range, Dual Mode, Long Battery Life
SAR1,300.00 SAR1,500.00
- Fast Fault Detection: Bright 655 nm red laser pinpoints breaks, bends, and connector issues.
- Dual Mode Operation: Switch between continuous wave (CW) and pulsed mode for flexible testing.
- Long-Lasting Battery: Enjoy up to 40 hours of uninterrupted use with two standard AAA batteries.
- Compact & Lightweight: Pen-style, pocket-sized design with a tough anodized aluminum body — built for portability and durability.
- 2.5 mm Universal Connector: Compatible with most standard fiber optic connectors.
- 5 km Reach: Identify fibers from end to end and locate faults over long distances.*
- Budget-Friendly Performance: Affordable, high-efficiency tool — ideal for every fiber tech’s toolkit.
*Range varies depending on fiber type, attenuation, and ambient light conditions.
Product Details
The FLS-140 Visual Fault Locator is the essential fiber optic tool for technicians needing fast, reliable fault detection. This pocket-sized, pen-style device emits a bright 655 nm red laser, helping you quickly identify breaks, bends, or faulty connectors in both singlemode and multimode fibers. With dual operation modes (continuous wave and pulsed), a 2.5 mm universal connector, and up to 40 hours of battery life on standard AAA batteries, the FLS-140 delivers powerful performance in a lightweight, durable aluminum body — all at an affordable price.
Specifications are valid at 23 °C ± 3 °C. Only valid with 50/125 µm fiber. Depends on fiber attenuation. Typical battery life using AAA alkaline batteries: VARTA Industrial No. 4003; 1.5 V; LR03 Micro; AM4; MN2400. Battery life may fluctuate significantly, depending on the specific unit’s laser current.