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Optical Fiber Identifier

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Optical Fiber Identifier AFI400/420

AFI400/420 series Fiber Identifier is easy to operate, can detect the fiber signal presence without disconnecting it. It is available for 0.25, 0.9, 2.0, 3.0mm fiber, no need to change adapter.

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Fast find fiber in a mass

Indicate signal directions in fiber

Indicate Live or dark fiber

Detect 270Hz, 1kHz, 2kHz from laser source       

Build in VFL 1mW or 10mW (Optional)

Suitable for 0.25, 0.9, 2.0, 3.0mm fiber, no need to change adapter

One-year warranty and Three-year recommended calibration interval

ModelAFI400                                 AFI420S                               AFI420L
Wavelength Range800 to 1700nm (SM)
Recognizable signal type*CW, 2kHz, 1kHz, 270Hz ±10%
Detector TypeInGaAs 2pcs
Fiber Type0.9, 0.25, 2.0, 3.0 mm fiber
Sensitivity+10 ~ -50dBm
Accuracy *+10dB to -30 dBm (Continuous Wave) /+10dB to -25 dBm (Modulated Signal)
LED IndicatorSignal direction; signal frequency (2kHz/1kHz/270Hz); low battery
Visual Fault LocatorNo                                       1mW                                    10mW
VFL Connector2.5mm universal connector
Power SupplyAA * 2

* at 20±3℃, indoor, 1550nm wavelength, 0.9mm fiber, with white coat, 270Hz, error < 5%,

* 0.25, 2.0, 3.0mm fiber, the performance at continuous wave will be lower

* 1KHz, 2KHz, the performance at modulated signal will be lower

* at 1310nm wavelength, the performance will be lower

Size(H*W*D)230mm * 45mm * 45mm
WeightAbout 200g
Storage Temperature-20 -- +60°C, < 90%RH
Operating Temperature-10 -- +50°C, < 90%RH

Carrying bag


Calibration certificate




Packing box

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