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Visible Fiber Optic Fault Locator (Fiber Checker) for ST/SC/FC connectors with Optional Adapter for converting Æ2.5 mm ferrule to Æ1.25 mm ferrule for LC connectorFeatures:
Applications:
Specifications
PRODUCT
DESCRIPTION
Lasermate’s
Visible Fiber Optic Fault Locator (VFOFL) injects 635nm visible laser light into
the fiber. Its universal receptacle accepts any optical connector style with a Æ2.5mm
ferrule including SC, ST & FC connectors. The red laser light scatters when
the light encounters a break or sharp bend. The scattered light can be observed
emerging from the cable. VFOFL can locate breaks in short patchcords, which an
OTDR cannot detect during their operating dead zone, typically <10 m. VFOFL
is the very important supportive-device for OTDR and much less expansive than an
OTDR. With high visibility of 635nm laser light, the length of fiber for testing
by VFOFL is up to 3km. Lasermate’s
VFOFL can be operated in either continuous-wave (CW) mode or pulse mode, which
is 3 Hz modulation. Pulse mode helps in locating faults under high ambient light
conditions and improves battery life. Visible red light with 3 Hz modulation is
easily detected by the naked eye. In addition, VFOFL is useful for optimizing splices. An improperly made splice loses its light at the joint between the two fibers. The splice loss can be seen while the fiber connected to the visible fiber fault locator is pushed, pulled or rotated to reduce the loss. When the escaping visible light is minimized, the splice is optimized. Moreover,
VFOFL is used for checking connector quality. Poor gluing or dirt inside the
connector ferrule itself may create a microbend in the fiber. This microbend
will produce excess insertion losses or return losses, and may result in
premature failure of the connector. One can readily see the distortion as a
series rings of light superimposed on a normal output when one injects visible
light through the fiber. This ring pattern is the indication of microbend in the
fiber caused by the poor quality of connector. Optional Adapter for converting Æ2.5 mm ferrule to Æ1.25 mm ferrule for LC connector: Model No.: S200411
Note: Specifications subject to change without notice. |
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