Mr Henry Thai
    Kocent Optec Limited is our long-term partner. In 8 years of co-operation times we together win many projects. Their fast connector and FTTH drop cable quality are best. Their products are cover my country now.
    Mr Pablo
    I was surprised when i made first order with Kocent Optec Limited in 2014. One container 40GP of GYXTW cable and one container 20GP for fast connector, patch cord and adapter. They finished this order in 2 weeks only. Now we also purchase many type of FDB box and Splice Closure Box from them. Hope we will be stronger and stronger in telecom field.
Contact Person : David He
Phone Number : 86-13410896018
Whatsapp : +8613410896018

5km KCO-VFL-08-25 Fiber Optic Accessories Visual Fault Locator Red Laser Pen 1mW 5mW

Place of Origin China
Brand Name KCO, Kocent Optec Limited
Certification ISO9001
Model Number KCO-VFL-08
Minimum Order Quantity Negotiation
Price Negotiation
Packaging Details paper bag, carton box
Delivery Time 2~5 days after get payment
Payment Terms T/T, Western Union, L/C
Supply Ability 200,000 pcs/ month

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Product Details
P/N KCO-VFL-08 Testing Length <5km
Output Power 5mW Testing Fiber Single Mode SM, Multimode MM
Weight 78g Size 168mm*27mm
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fiber optic accessories


fiber optic tools and equipment

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Product Description

5km KCO-VFL-08-25 Optical Fiber Visual Fault Locator Red Laser Pen 1mW 5mW

- The KCO-CFL-08 Series visual fault locator is used for the measurement in single mode or multi-mode fibers.

- Light source is strong, penetrating power is strong
- This red pen imported laser head
- Easy to penetrate 100 thousand meter fiber
- Stable performance

- Ceramic tube can be replaced by itself

- Simple operation

- Extend service life

- User friendly design
- Sliding type switch design
- Let you control the red pen as much as you like

- Frosted body, anti fall, wear-resistant

- The body is made of frosted material
- To prevent damage during use

- It has black color.
- Use high quality Aluminum alloy.
- It is easy to use and small size.

Cost effective:

- The Pen type VFL's extremely high efficiency guarantees prolonged operation with two standard AAA alkaline batteries, typically providing 50 hours of uninterrupted operation.

- Priced to accommodate the tightest budgets, the KCO-VFL-x Pocket Pal is a truly affordable way to locate faults in OTDR dead zones.

- Its effectiveness justifies purchasing one for just about every fiber technician.
- We adopt the new technology for AL composite material make the PEN more light.

- And use import Mitsubishi LD Laser, make the lights signal more gathered and less attenuation


Corresponding table:

Item KCO-VFL-08-01 KCO-VFL-08-10 KCO-VFL-08-20 KCO-VFL-08-30 KCO-VFL-08-50
Wavelength 650nm ± 20nm
Output Power > 1mW > 10mW > 20mW > 30mW > 50mW
Dynamic Distance 2~ 5 km 8~12km 12~15km 18~22km 22~30km
Mode Continuous Wave (CW) and Pulsed
Fiber Type SM
Connector 2.5mm
Packaging Size 210*73*30
Weight 150g
Power Supply AA * 2
Operating Temperature

-10 -- +50 °C

< 90%RH

Storage Temperature

20 -- +60 °C

< 90%RH


①It is strictly prohibited to direct the human eye and please take precautions to avoid static electricity releasing.
②The output power is figured out by multi-mode optical fiber at 23℃±3℃.
③Detecting range will be different with different fibers.
④Working hours is figured out by 2*AAA batteries at 23℃±3℃, it will be a little different by using different AA batteries.




- Test Lab of optical fibers

- Maintenance in Telecom
- Maintenance CATV
- Other Fiber Optic Measurements

- Insert the fiber into VFL through Fiber Connector.

- It can be used as reference of the multi- core cable
- End to end fiber identification
- Identify the breaks and micro-bend of the pigtail/fiber
- Operation


- 2.5mm universal connector
- Operates either in CW or Pulsed
- Constant output power
- Lower Battery warning
- Long battery life
- Crash-proof and dust-proof design for laser head
- Laser case ground design prevents ESD damage
- Portable and rugged, easy to use


OEM/ ODM service: 

If you want to print your own brand LOGO on the pen lable or package, it is no any problem. Our OEM service is always ready for you. Please call us or send e-mail to us with your detail inquiry to get more informations.


According to Stardard Export Packing.
Carton box, wooden box, wooden pallet.

5km KCO-VFL-08-25 Fiber Optic Accessories Visual Fault Locator Red Laser Pen 1mW 5mW 0

- International express such as UPS, TNT, DHL, etc
- Internatioal air: CA, AA, EA, etc
- By sea