... power 3.Easy to replace adaptors 4.Lower power indication FG570 Optical Fiber Identifier can quickly identify the direction of transmitted ... relative core power without any damages to the bended fiber.FG570 Optical Fiber Identifier also recognizes the modulations like 270Hz, 2kHz ... heads available:Ø0.25/Ø0.9/2.0/3.0. FG570 Optical Fiber Identifier is powered by a 9V alkaline battery ...
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