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Product Description

Optical Fiber Identifier FI-20V is an essential tool for optical fiber maintenance, used for nondestructive optical fiber identification work, and can be detected anywhere in the single mode and multi-mode fiber. FI-20V is All-in-one Chuck Live with VFL, Built-in LED Light.
Identify 3 Signal Frequencies
- Identify 270Hz, 1000Hz, 2000Hz signal frequency.
- There will a buzzer sound when identifing the frequency.
Multi-in-one Fixture
- Stuitable for 0.25-3.0mm, direct testing, no need to change the fixture, easy to use.
- 3.00mm jump cable
- 2.00mm jump cable
- 900um fiber cable
- 250um bare cable
Ergonomic Design
- Press down to clamp the fier optic fiber
- Hold the machine in hand. press the trigger switch on the back with your index finger, and clamp the fiber optic cable at the same time to automatically start the test.
Integrated VFL, LED lighting
- The breakpoint can be located quickly and the detection distance is up to 5km.
- Wavelength: 650nm; Laser type: LD
- LED lighting, convenient for construction in the dark environment.
Functional Analysis

- Fashionable appearance, compact size.
- ABS material shell
- Comfortable handle
- Small and portable

Specifications:
Wavelength Recognition Range | 800-1700nm |
Signal Recognition Type | CW, 270hZ ±5%, 1kHz 5%, 2kHz 5% |
Detector Type | ф1mm InGaAs 2 pcs |
Adapted Fiber Type | Universal Holder for ф0.25(Bare Fiber), ф0.9, ф2.0, ф3.0 Cable |
Signal Direction | Left & Right LED |
Optical Power Reading Range | 40 dBm ~ 10 dBm |
Signal Frequency Range | 270Hz, 1kHz, 2kHz |
Power Type | AA*2 (Package without battery) |
Dimension | 219mm*45mm*28mm |
Weight | 235g |

Remarks:
- It is now in hot sale season. If you find it is out of F B A stock, we will ship it from our USA local warehouse, which is also very fast.
- If you find that you get a bad one, don't worry! Take a picture or video to us through Amazon chatting window, we will arrange the new one to you immediately! It's our promise from Komshine!
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