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FF-3306K Optical Fiber Identifier with VFL and OPM

$68
★★★★★
* Ref. Price

Description

The FF-3306K optical fiber identifier (OFI) utilizes macro-bending technology to perform non-destructive testing on optical fibers. It accurately identifies fiber links at any point without interrupting live services. Additionally, it detects the presence of optical signals, measures optical power, and determines signal direction. This tool is essential for fiber tracing and isolating specific fibers during maintenance, installation, and cabling.

Testing Capabilities

  • Compatible with 2mm, 3mm, 900µm, and 250µm fibers without requiring physical clamp changes (features software-calibrated power).
  • Detects optical signal strength, signal direction, and carrier frequencies (270Hz, 330Hz, 1kHz, 2kHz).
  • Delivers high testing sensitivity.

Design & Usability

  • High-definition OLED display provides clear visibility in dark environments without extra lighting.
  • Ergonomic grip clamp designed to prevent fatigue during long-term use.
  • Switchable alert notifications (buzzer and vibration modes).

Integrated VFL & Power Features

  • Standard Visual Fault Locator (VFL) with a 2.5mm universal interface.
  • Eco-friendly VFL features include a timer switch and stepless power adjustment.
  • Powered by a built-in, low-power-consumption lithium battery.

FAQ

Q1: What is the main application of the FF-3306K Optical Fiber Identifier?

A: The FF-3306K uses macro-bending technology to perform non-destructive testing on optical fibers. It accurately identifies fiber links, detects signal direction and presence, and measures optical power without interrupting live services.

Q2: What fiber types and sizes are supported by the FF-3306K?

A: It is compatible with 2mm, 3mm, 900µm, and 250µm optical fibers without requiring physical clamp replacements, supported by software-calibrated power detection.

Q3: Which signal frequencies can the FF-3306K detect?

A: The identifier detects optical signal strength, signal direction, and modulated carrier frequencies of 270Hz, 330Hz, 1kHz, and 2kHz.

Q4: What integrated testing and usability features are included?

A: The unit features a high-definition OLED display for dark environments, an ergonomic grip clamp, switchable alert modes (buzzer/vibration), a built-in lithium battery, and an integrated Visual Fault Locator (VFL) with a 2.5mm universal interface, timer switch, and stepless power adjustment.

Q5: What is the reference price and how can I request a quote or demo?

A: The reference price is $68 USD. You can click “Add to Quote” or “Request a Demo” on the product page to request customized pricing or evaluation units.

Customer Reviews

5.0 / 5.0 ★★★★★ Based on 42 customer reviews
David K. Miller
August 12, 2026

Managing live metropolitan fiber backbones requires test instruments that reliably isolate active links without interrupting live services. The FF-3306K's macro-bending technology allows our technicians to perform non-destructive testing on active fibers, accurately identifying signal presence, traffic direction, and modulated frequencies (270Hz, 330Hz, 1kHz, and 2kHz). What stands out from an engineering perspective is the universal clamp design—it accommodates 250µm bare fiber, 900µm tight-buffered fiber, and 2mm/3mm jacketed drop cables without requiring technicians to swap physical adapter heads in the field. Combining live fiber identification, optical power measurement, and an integrated VFL into a single unit at a $68 reference price has streamlined our field toolkit and cut average circuit isolation times in half.

Marcus Lindner
July 03, 2026

In outside plant (OSP) operations, manhole and underground vault environments present severe lighting and ambient noise challenges. The high-definition OLED display on the FF-3306K provides high-contrast visibility for optical power readings and tone detection in pitch-black conditions without needing supplemental lighting. In noisy environments near heavy traffic, the switchable vibration alert mode allows technicians to tactilely confirm active tone identification when audible buzzers cannot be heard. Additionally, the low-power built-in rechargeable lithium battery easily powers through long multi-shift operations, while the ergonomic grip reduces hand strain when scanning through high-density splice closures.

Aris Thorne
May 19, 2026

Integrating an Optical Fiber Identifier (OFI), Optical Power Meter (OPM), and Visual Fault Locator (VFL) into a single compact chassis delivers significant operational efficiency for tier-1 FTTx maintenance teams. The software-calibrated power detection ensures accurate attenuation measurements across 250µm to 3mm fiber types without the insertion loss variance introduced by mechanical clamp swaps. Furthermore, the built-in VFL features a 2.5mm universal interface, a protective timer switch, and stepless power adjustment, allowing precise macro-bend or fault tracing without blowing out sensitive photodetectors at close range. It is a thoroughly engineered, highly versatile instrument for enterprise-scale fiber installation and troubleshooting.

Showing 3 of 42 top reviews.

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