Optical Fiber Identifier
Description The GFI Live Fiber Identifier allows you to detect traffic and measure signals anywhere onsinglemode fibers without having to disconnect them . It also lets you check for signal presence before rerouting or maintenance ,Website:, perform continuity tests and verify cable labeling.Based on non-destructive macrobending technology,the GFI doesn't disrupt traffic,damage or overstress the fiber,enabling efficient,accurate and reliable data acquisition.Features ● Indicate the signal directions in fiber● Indicate the signal presence or absence(Live ordark fiber)● Detect tones 270Hz, 1kHz and 2kHz to verify the modulated signal type● Handhold design● Build in VFL 1mw or 10mw optional● Battery low indication● Powered by 2 units of 1.5V AA batteries● One-year warranty and Three-year recommended calibration intervalSpecification Optical Fiber Identifier - GFI Parameter ModelGFI-400GFI-420SGFI-420LWavelength Range800 to 1700nm (SM)Recognizable Signal Type*CW, 2kHz, 1kHz, 270Hz +/-10%Detector TypeInGaAs 2pcsFiber Type0.9, 0.25, 2.0, 3.0 mm fiberSensitivity+10 ~ -50dBmAccuracy *+10dB to -30 dBm (Continuous Wave) /+10dB to -25 dBm (Modulated Signal)LED IndicatorSignal direction; signal frequency (2kHz/1kHz/270Hz); low batteryVisual Fault LocatorN/A1mw10mwPower SupplyAA * 2Size(H*W*D)230mm *45mm * 45mmWeightAbout 200gStorage Temperature-20 to +70℃ ,<90% RHOperating Temperature-10 to +50℃ ,<90% RH*at 20.3 degrees,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 lowerStandard Package①GFI main body*1②Nylon bag and the Q/C certificate*1③Operation Manual*1④Paper BoxOrdering InformationGFI-X(1)GFI-400: Standard Live Fiber Identifier(2)GFI-420S: Standard Live Fiber Identifier With 1mw VFL(3)GFI-420L: Standard Live Fiber Identifier With 10mw VFL
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