Model# | Output Power |
FF-VFL-A1 | 1mW |
FF-VFL-A5 | 5mW |
FF-VFL-A10 | 10mW |
FF-VFL-A20 | 20mW |
FF-VFL-A30 | 30mW |
FF-VFL-ALC | LC Adapter Sold Separately |
This Visual Fault Loctor (VFL) is specially designed for field workers who need an efficient and economical tool for fiber tracing, fiber routing and continuity checking in optical networks. The VFL can find break points, poor connection point, bending or cracking in fiber optic cables; and it can find faults located in an OTDR dead zone and also can be used for end-to-end visual fiber identification.
Visual Fault Loctor |
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Model# |
FF-VFL-A1 |
FF-VFL-A5 |
FF-VFL-A10 |
FF-VFL-A20 |
FF-VFL-A30 |
Wavelength |
650nm |
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Emitter type |
FP-LD |
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Output Power |
≥1mW |
≥5mW |
≥10mW |
≥20mW |
≥30mW |
Detecting Range |
≥5Km |
≥8Km |
≥12Km |
≥16Km |
≥20Km |
Optical Connector |
2.5mm Universal Connector, 1.25mm Adapter Optional |
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Modulation Frequency |
CW/3Hz/9Hz |
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Battery Life (CW) |
13 Hours |
8 Hours |
6 Hours |
5 Hours |
3 Hourse |
Battery Life (9Hz) |
19 Hours |
17 Hours |
10 Hours |
7 Hours |
5 Hours |
Battery Life (3Hz) |
23 Hours |
20 Hours |
12 Hours |
10 Hours |
6 Hours |
Power Supply |
2 AAA Battery |
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Working Temperature |
-35℃~+70℃; <90%RH |
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Storage Temperature |
-40℃~+90℃; <90%RH |
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Dimension |
Ø13 x 181mm |
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Weight |
106g (without battery) |

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Warranty Service:
FirstFiber warrants to the purchaser that our products shall be free from defects in material and workmanship under normal use (consumables, normal tear and wear excluded) for a period of one year from the date of shipment. Any part which is determined by FirstFiber to be defective in material or workmanship shall be returned to FirstFiber or authorized service location, as FirstFiber designates and shipping costs prepaid. Defective items will be repaired or replaced at FirstFiber's option.
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ISO9001:2008 The certificate shows that a component/subsystem can be used in a specific application according to a requirement class (RC) or a integrity level (SIL). The system integrator and end user must always be aware of how to use certified components/subsystems in safety-related function, respectively a safety instrumented system. Because of the many different possibilities and how to configure a safety system, the end user must get the related information from the manufacturer of the certified component/subsystem. |
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CE The CE marking is a mandatory European marking for certain product groups to indicate conformity with the essential health and safety requirements set out in European. To permit the use of a CE mark on a product, proof that the item meets the relevant requirements must be documented. |
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RoHS Working in partnership with the policy lead at BERR (The Department for Business, Enterprise & Regulatory Reform), NWML is the UK Enforcement Authority for the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2008 (the “RoHS Regulations”). Manufacturers need to understand the requirements of the RoHS Directive to ensure that their products, and their components, comply. |
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FCC The Federal Communications Commission (FCC) is an independent United States government agency. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. |