Catalog > Test and Measurement > Test and Measurement Leads & Acc. > Cable Tester Visual Fiber Fault Locator 5MW Visual Fiber 5MW Fault Locator NF-904W FIBER FAULT LOCATOR 5MW VISUAL FIBER FAULT LOCATOR 5MW , LOCATES FIBER BREAKAGE AND WINDING . ( REQUIRES 2 X AA Batteries -Not Included ) Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview NF-904 Visual Fault Locator uses the DFB-LD as the emitting component . Driven by constrant current source , the indicator can emit stable red laser . The product can be used to inspect fiber failure when they connect with optical interface and be inserted into single mode or multi mode optical fiber . It is indispensable tool in fiber project constructing , fiber net-work maintaining , optical component manufacture and research . Features Find the breakage and winding of fiber optical cable .Examine the fault in OTDR dead zone .End to end fiber recognition ,The optimization of the machine connection point* BATTERIES NOT INCLUDED * Specifications Output Power : 5mWColor : White OptionOutput Wavelength : 650nm ±10nmConnector : 2.5mm Universal ConnectorWorking Temperature : -20 ~+60 °CStorage Temperature : -40~+70 °CPower Supply : 2 AA BatteryBody Color : Optional choice for Black & WhiteContinuous Working : ≥ 20H