Gold Member Since 2014
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Hangzhou DAYTAI Network Technologies Co., Ltd.

Visual Fault Locator, Fiber Optic Laser Pen, Fiber Visual Fault Locator manufacturer / supplier in China, offering Vfl750-Iiii Visual Fault Locator Fiber Optic Laser Pen, Waterproof Rg11 Compression Connector, FTTH Pon & CATV Optical Receiver/Converter Mini Fiber Optic Node with Wdm and so on.

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Vfl750-Iiii Visual Fault Locator Fiber Optic Laser Pen

FOB Price: US $10-50 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $10-50/ Piece
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Production Capacity: 5000 Piece/Pieces Per Month
Transport Package: 1 PCS/Box, Then 10 Boxes in a Carton
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: DT-VFL750-IIII
  • Certification: CE, ISO, RoHS, SGS
  • Central Wavelength: 50nm-/+10nm
  • Operating Model: Both Cw and Pulse Available
  • Power Supply: 2AAA Alkaline Batteries
  • Storage Temperature: 40ºCTO 85ºC
  • Weight: 60g (Without Battery)
  • Specification: CE; RoHS; IOS; SGS
  • Type: Visual Fault Locator
  • Condition: New
  • Emitter Type: Fp-Ld (Fabry-Perot Laser Diode)
  • Pulse Frequency: 3Hz
  • Operating Temperature: 0ºC to 60ºC
  • Dimension: 13 X 165mm
  • Trademark: Daytai
  • Origin: Zhejiang, China
Product Description
1. Description of  VFL750-IIII Visual Fault Locator Fiber optic Laser Pen
* Visual Fault Locator (DT-VFL750-IIII) is specially designed for field personnel who need an efficient and economicaltool for fiber tracing, fiber routing and continuity checking in opticalnetworks.
* It finds breakpoints, poor connections, bending or cracking in fiberoptic cables; and it can find faults in an OTDR dead zone and is used for end-to-end visual fiberidentification.

2. Feature of  VFL750-IIII Visual Fault Locator Fiber optic Laser Pen
* 2.5mm universal connector,for 1.25mm connectors,FC(male)-LC(Female)adaptor also can be provided on request
* Operates either in CW or Pulsed mode with constant output power
* Low battery warning
* Long battery life (up to 60 hours)
* Drop-resistand and dust-proof design of laser head
* Laser case ground design prevents ESD damage
* Portable and rugged
* Easy to use
* Meets CE standards including EMC, EMI, ROHS

3. Application
* Maintenance in telecom, CATV
* Test Lab of optical fibers
* Fiber routing and continuity checking in optical networks
* Other fiber opticmeasurements

4. Specification


Visual Fault Locator (DT-VFL750-IIII)

Central wavelength

50nm±10nm (635nm is available on request)

Emitter type

FP-LD(Fabry-Perot laser diode)

Output power




Laser Range




Optical connector

2.5mm universal connector, for 1.25mm connectors, FC (Male)-LC.(Female) convertor can be provided on request

Operating model

Both CW and Pulse available

Pulse frequency


Power supply

2AAA alkaline batteries

Operating temperature

0ºC to 60ºC

Storage temperature

40ºC to 85°C


13 x 165mm


60g (without battery)


5. Standard Package



Visual Fault Locator (DT-VFL750-IIII)

Main unit, User Manual, Individual packing
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