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The YD-3309D-Y Live Optical Fiber Identifier is a professional-grade FTTH tool combining signal direction detection, a 10mW visual fault locator, and a multi-wavelength optical power meter. It supports a broad 800-1700nm range, features a universal 2.5mm connector, and offers precise fiber identification with tone signals at 270Hz, 1KHz, and 2KHz. Compact and lightweight, it’s designed for telecom and CATV maintenance, delivering reliable performance with a vibrant LED display and durable metal housing.

| ASIN | B0CFDJ6SQT |
| Brand | D YEDEMC |
| Colour | Yellow |
| Customer Reviews | 4.3 4.3 out of 5 stars (91) |
| Included Components | No |
| Item Dimensions | 23 x 3.6 x 5 centimetres |
| Item Weight | 200 Grams |
| Manufacturer | Yide Machinery Co. Ltd. |
| Minimum Operating Voltage | 3 Volts (DC) |
| Model Number | YD-3309D-Y |
| Power Source | Battery Powered |
| Specification Met | Ce, Rohs, Ftth |
| Style Name | YD-3309D-Y |
| UPC | 767791196205 |
| Upper Temperature Rating | 50 Degrees Celsius |
A**N
Good but not so accurate
J**T
Love this thing. Saves my butt daily.
M**9
I've used alot of traffic meters and for the money, it's doesn't get any better than this! Also would be a great back up. Shows traffic direction, and strength! I've bought 2.
C**J
Great price for A much used tool when working with fiber optics
H**T
First off, it's a traffic identifier not a power meter, so it serves its purpose. If you are looking for an accurate reading not affected by ambient light splice on a tail and get yourself a meter. Otherwise, it's great. It picks up tone and they even threw in a vfl on the end, so overall good deal.
Trustpilot
3 weeks ago
3 weeks ago