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Item specifics
  • Model Number: JW3304N
  • Operating Wavelength: 1550nm(1310nm Optional)
  • Fiber Type: 9/125um SM Fiber
  • Optical Connector Type: FC/PC
  • Detector Type: InGaAs
  • Peak Power of laser: ≥60mW
  • Wavelength of VFL Option: 650nm
  • Output Power of VFL Option: ≥1mW
  • Power Supply: Alkaline Battery (3pcs AA 4.5V Batteries)
  • Max Distance in reflection event: 60km
Product Description


JW3304A Optical Fiber Ranger ,OTDR Principle Tester ,Visual Fault Locator Tester


JW3304A Optical Fiber Ranger is the most portable test instrument in the industry. It adopts the OTDR technical principles and integrates the powerful analysis software, which enables the JW3304A fiber ranger detect fiber faults location more accurate and easy.



  • Portable, rugged, lightweight; Easy to use.
  • More accurate testing results and better repeatability.
  • Up to 8 fiber faults can be detected in each measurement.
  • Automatic Pulse Width Control design to ensure a convenient operation.
  • Easy to identify the faults location.
  • Built-in visual fault locator (VFL), conveniently to find the faults in dead zone.
  • Dust, water and shock proof, des igned for field use
  • Long battery life, up to 5000 measurements operation.
  • Applications
  • Testing the distance of the fiber and identify the faults location in the fiber link.
  • Locates reflective and non-reflective breaks in the fiber network.
  • Inspection of fiber repair and maintenance.
JW3304A Fiber Ranger is ideal to be used in FTTx network installation and maintenance.




Operating Wavelength


Fiber Type

9/125um SM Fiber

Optical Connector Type


Detector Type


Peak Power of laser


Max. Displaying Distance

Reflection Event

60km (≥1dB)

Non-reflection Event

20km (≥2.5dB)

Measurement Unit


Reflection Event Dead Zone


Distance Accuracy(Reflection Event)


Wavelength of VFL Option


Output Power of VFL Option


Power Supply

Alkaline Battery (3pcs AA 4.5V Batteries)

Battery Operating Time

≥5000 measurements

Working Temperature


Storage Temperature








Package include:
1 x Optical Fiber OTDR Tester Meter
1 x USB Cable
1 x CD
1 x Bag



1. We can accept payment via Escrow, Western Union and T/T. The best way is direct online payment,you can choose yourself. If you want to use other payment terms, please let us know before when you order.

2. Full payment must be made within 7 days after placing your order, or the order will be invalid or canceled by the system.

3. Make sure that you have completed all the detailed information like contact person, address, post code and telephone number when filling in your buyer\'s information.



1. We will send the goods within 5 business days after the full payment has been confirmed.

2. We can provide the international shipping services as follows:

China Post Air Mail, HK Post Air Mail, EMS, TNT, DHL, UPS, Fedex. The default way is by China post air mail and HK post air mail.

3. The buyer is responsible for insurrance, problems and damage which caused by shipping service such as accidents, delays or other issues. Besides, we are not responsible for any custom duty or import tax, these charges are not included in the item price and shipping cost.


1. All the goods are inspected and tested before shipment. if you are not satisfied with the goods, you can exchange the items within 7 days and you must contact us within 24 hours after the receipt of the items.

2. The shipping and handling charge is not refundable and customer should be responsible for all the charges of returning and reshipping.

3. All return items must be in its original conditions, including box and accessories. Man-made defects are not guaranteed, such as broken, scratched and so on.

4. For any items, please use EMS or your local post when send back


1. Buyer\'s early confirmation will be highly appreciated after receiving the items.

2. Since your feedback is very important to our business\'s development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It\'ll just take you 1 minute, but this 1 minute has the extremely vital significance to us.

3. Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.Thank you for your understanding.

Packaging Details
  • Unit Type: piece
  • Package Weight: 0.8kg (1.76lb.)
  • Package Size: 29cm x 24cm x 15cm (11.42in x 9.45in x 5.91in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.8kg (1.76lb.)
  • Package Size: 29cm x 24cm x 15cm (11.42in x 9.45in x 5.91in)
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