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Item #:
107856593
1pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 1pcs Singlemode 9125um FC Male to LC Female Adapter, Red Switch Mode Number:
Item #:
107856593
PHP 1852
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The Fiber Optic Visual Fault Locator can detect fiber connectivity and locate fiber faults, such as fiber breaks or bends, over an impressive distance of up to 50 kilometers.
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What Stands Out
Long Range Testing
Equipped with a 50km range, this Visual Fault Locator effectively identifies faults in fiber optic cables, ensuring thorough testing for long-distance installations.
Versatile Adapters
Includes two Singlemode 9/125um FC Male to LC Female adapters, enhancing compatibility with various fiber types, thus providing flexibility for different cable setups.
User-Friendly Design
The easy-to-use red switch allows for quick operation of the fiber tester, making it suitable for both professionals and beginners in fiber optic troubleshooting.
Product Details
| Brand | fyboptwu |
| Power Source | Battery Powered |
| Style | Handheld Fiber Optic Tester |
| Color | Red Switch |
| Item Weight | 173 Grams |
Who Should Buy?
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Network Technicians
Ideal for technicians needing to quickly identify faults in fiber optic cables during installation or troubleshooting.
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Telecom Engineers
Perfect for engineers who require reliable tools to ensure optimal performance and detect issues in fiber optic networks.
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Field Service Providers
Beneficial for service providers who frequently manage and maintain fiber optic installations in various locations.
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Home Users
Not suitable for casual home users with basic needs for internet connectivity as it is a specialized tool.
Product Description
1pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 1pcs Singlemode 9125um FC Male to LC Female Adapter, Red Switch Mode Number: VFL-50
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Customer Questions & Answers
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Question:
What is a Visual Fault Locator (VFL) and how does it work?
Answer: A Visual Fault Locator (VFL) is a device used to identify faults in fiber optic cables. It emits a bright laser light through the optical fiber, allowing technicians to visually detect breaks, bends, or faults in the cable. This is incredibly useful for troubleshooting and maintaining fiber optic networks. For instance, if you notice a sudden drop in network performance, using a VFL can help pinpoint the exact location of the fault quickly, facilitating faster repairs. -
Question:
How far can the 50km VFL reach, and what are its practical applications?
Answer: The 50km range of this VFL makes it suitable for long-distance fiber optic testing. It can be utilized in various scenarios like telecommunication infrastructures, campus networks, or large office buildings. This long range allows technicians to test and diagnose issues over considerable distances without needing multiple devices or tedious manual checks, significantly improving efficiency during installations or maintenance tasks. -
Question:
What types of fiber optic cables are compatible with the VFL?
Answer: The VFL is designed to work with both singlemode and multimode optical fibers, ensuring versatility in a range of applications. With the included Singlemode 9125um FC Male to LC Female adapters, it can seamlessly connect to different fiber types. This adaptability makes it an essential tool for various environments, whether you're working on local area networks or telecommunications networks using different fiber types. -
Question:
What safety precautions should I take when using a VFL?
Answer: When using a VFL, it's crucial to wear appropriate eye protection and avoid looking directly into the laser beam to prevent eye damage. Always ensure the testing environment is clear of reflective surfaces, as this can lead to incorrect fault indications. Furthermore, it’s advisable to familiarize yourself with the specific operational guidelines for your VFL model to ensure safe and accurate use, particularly when working in high-density fiber environments. -
Question:
Can this VFL detect faults in live circuits?
Answer: The 50km Visual Fault Locator is not intended for use on live circuits, as it can potentially cause damage to active electronic components. Instead, it should be applied for testing inactive fiber links. It is crucial to ensure that the fibers being tested are deactivated beforehand, as this precaution helps in preventing costly damage while providing accurate fault location results. -
Question:
Why is a 2pc set of VFL testers beneficial?
Answer: Having two VFL testers in a set enhances convenience, as it allows for testing multiple fibers simultaneously or having a backup during critical testing sessions. This is particularly advantageous for teams working in large installations or those extending their network setups. Overall, it increases productivity, enabling technicians to troubleshoot and maintain networks effectively without delays. -
Question:
What should I consider when maintaining my VFL?
Answer: Regular maintenance of your VFL includes cleaning the connectors and ensuring the device is calibrated correctly. Cleaning should be performed with suitable fiber cleaning supplies to prevent dust and debris from affecting performance. Additionally, storing your VFL in a protective case can enhance its longevity and ensure consistent reliability during operation, especially in busy work environments. -
Question:
Is a VFL suitable for both professional and personal use?
Answer: Absolutely! Whether you're a professional technician maintaining corporate networks or a DIY enthusiast setting up a home fiber optic network, a VFL can be a valuable tool. Its user-friendly design and effective capabilities allow anyone to identify issues and maintain fiber systems efficiently, making it a smart investment for both professionals and hobbyists. -
Question:
What do the terms 'singlemode' and 'multimode' mean in fiber optics?
Answer: In fiber optics, 'singlemode' refers to fibers designed for long-distance communication, allowing one mode of light to propagate, which results in less signal loss and distortion. On the other hand, 'multimode' fibers allow multiple light modes to travel through, suitable for shorter distances. Understanding these terms is crucial when selecting cables for your network needs, ensuring optimal performance based on your specific application. -
Question:
Where can I buy the 2pc 50km Visual Fault Locator VFL?
Answer: You can buy the 2pc 50km Visual Fault Locator VFL Fiber Tester from Ubuy, which provides a wide selection of electronic testing tools. Ubuy caters to customers in Philippines and ensures users have access to quality products for their fiber optic needs, enhancing your testing and troubleshooting experience.
fyboptwu Network & Cable Testers Editorial Review
### Editorial Review The 2pc 50km Visual Fault Locator (VFL) Fiber Tester has garnered a mixed reception from users, showcasing both strengths and weaknesses in its performance and usability. Users generally highlight the product's exceptional brightness, calling it "extremely bright" and "great for daytime use", which allows for effective fault locating even in direct sunlight. Many customers appreciate its long-range capability, reporting that it outperforms more expensive models from their employers, making it a cost-effective option for professionals in the field. One notable feature is the ability to pinpoint faults in single-mode fiber cables, with one user noting that it comes close to “gold standard” performance for detecting breaks in blue bend-insensitive fibers. Additionally, the device is helpful for identifying far-end connections, enabling users to narrow down specific fibers effectively. However, the product is not without its drawbacks. Users have raised concerns about the on/off switch, which can unintentionally engage during storage, leading to unnecessary battery drain. The quality of the included FC adapter has also been criticized for not securing properly, often falling off during use. While some users experienced issues with the light source ceasing to function, it's worth noting that external factors, such as accidental drops, may have contributed to this. Overall, despite some reported shortcomings, the VFL Fiber Tester remains a valuable tool for fiber optic professionals, especially Considering its performance relative to cost. ####
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Pros
- Very bright light, effective for fault location even in direct sunlight.
- Cost-effective compared to higher-priced models.
- Excellent for pinpointing faults in single-mode fiber cables.
- Helpful for identifying far-end connectors in fiber bundles. ####
Cons
- On/off switch can easily be turned on accidentally during storage.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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PHP 1852
Order now and get it around Wednesday, August 19
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Features & Benefits
- Detects fiber faults up to 50 kilometers away.
- Identifies connectivity issues and locates breaks or bends.
- Features low battery warning and long battery life.
- Compatible with various fiber optic connectors (ST, SC, FC, LC).
- Ideal for telecommunication and optical fiber engineering.
- Durable design with dust-proof and non-slip features.
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