BFKK
BFKK YD-3309D Fibre Optic Identifier 800-1700nm 10mW VFL OPM
Live optical-fibre identifier with built-in 10 mW VFL and OPM, detecting 800–1700 nm signals, tone frequencies 270 Hz, 1 kHz, 2 kHz, and power levels −50 to +26 dBm across six wavelengths
- Identifies live fibers without interruption using 800-1700nm macro-bending detection
- Pinpoints specific fibers with 270Hz, 1KHz and 2KHz tone recognition
- Locates faults up to 15km away via built-in 10mW VFL red light
- Measures power across six wavelengths from 850nm to 1625nm with OPM
- Grips 250um to 3mm fibers without adapter changes using metal clamp
What the YD-3309D does
The YD-3309D is a three-in-one live fibre identifier that combines a 10mW visual fault locator, an optical power meter and a tone detector in one hand-held unit. It works across 800 to 1700nm and can show signal direction and relative core power without interrupting traffic. The built-in VFL emits red light to trace faults up to 15 kilometres along the link.
Fibre sizes and connectors to verify
Before ordering, confirm that the fibres you test are 250µm, 900µm, 2mm or 3mm, because the metal gripper accepts those diameters without swapping adapters. The OPM section uses a 2.5mm universal connector, so patch cords must match that interface. The instrument detects 270Hz, 1kHz and 2kHz tones, so the network under test must carry one of those modulation frequencies for positive identification.
Replaces separate VFL, OPM and identifier tools
Technicians who currently carry a standalone visual fault locator, a separate power meter and a dedicated live fibre identifier can consolidate all three functions into this 200g device. The jump is worth it when you need to verify signal direction, measure power from -50 to +26dB at 850, 1300, 1310, 1490, 1550 and 1625nm, and locate breaks with a 10mW red source in a single workflow.
Highlights
- Identifies live fibers without interruption using 800-1700nm macro-bending detection
- Pinpoints specific fibers with 270Hz, 1KHz and 2KHz tone recognition
- Locates faults up to 15km away via built-in 10mW VFL red light
- Measures power across six wavelengths from 850nm to 1625nm with OPM
- Grips 250um to 3mm fibers without adapter changes using metal clamp
Specifications
No published specifications for this item yet.
Questions about this item
Does the YD-3309D ship with the 10 mW VFL and OPM modules ready to use, or must they be purchased separately?
The YD-3309D is a 3-in-1 tool with the 10 mW VFL and OPM functions built in, so both modules are included and require no extra purchase.
Which wavelength ranges should I select on the OPM for standard single-mode and multimode fibres?
The OPM tests at 850 nm and 1300 nm for multimode, and at 1310 nm, 1490 nm, 1550 nm and 1625 nm for single-mode fibres.
What does the -50 to +26 dB measurement range mean when I connect a live 2.5 mm patch cord?
It means the meter can read very weak signals down to -50 dB and strong signals up to +26 dB on the 2.5 mm universal connector without saturating.
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