Fiber Optic Visual Fault Locator

Specifications Manual	Visible Fault Locator
The VLF-280 is a hand-held battery powered stabilized fiber optic laser source that emits visible (red) light at 650 nm. Its intended function is to allow an operator to identify the exact location of a break, micro bend, or other discontinuity in a fiber optic cable. It is useful for identifying micro bends located at short distances that would not be detectable by conventional means such as an Optical Time-Domain Reflectometer, (OTDR). It is also useful for identifying a particular fiber in a cable by exciting the fiber to be located with visible radiation. The VFL-280 is fitted with a standard 2.5 universal adapter. The source may be used in one of its two modes, Modulated or Continuous. In the modulated mode the laser is turned on and off at a 6 Hz rate. This mode is helpful in permitting the user to identify the source radiation in the presence of high levels of ambient light. It also aids in conserving battery life. The usable range for fault location depends on the fiber, the intended use, such as fault finding or fiber identifying, type of fiber, the jacketing of the cable and the loss incurred at the fault. Several hundred meters to 1 or 2 Km are typical for singlemode fiber fault location, however fiber identification can be made at greater distances.
	Key Benefits 100 hour battery life with 2 AA Alkaline batteries Operates with Singlemode or Multimode fiber Universal 2.5 mm Connector Replaceable split sleeve 650 nm wavelength Compact size

Visible Fault Locator

The VLF-280 is a hand-held battery powered stabilized fiber optic laser source that emits visible (red) light at 650 nm. Its intended function is to allow an operator to identify the exact location of a break, micro bend, or other discontinuity in a fiber optic cable. It is useful for identifying micro bends located at short distances that would not be detectable by conventional means such as an Optical Time-Domain Reflectometer, (OTDR). It is also useful for identifying a particular fiber in a cable by exciting the fiber to be located with visible radiation.

The VFL-280 is fitted with a standard 2.5 universal adapter. The source may be used in one of its two modes, Modulated or Continuous. In the modulated mode the laser is turned on and off at a 6 Hz rate. This mode is helpful in permitting the user to identify the source radiation in the presence of high levels of ambient light. It also aids in conserving battery life.

The usable range for fault location depends on the fiber, the intended use, such as fault finding or fiber identifying, type of fiber, the jacketing of the cable and the loss incurred at the fault. Several hundred meters to 1 or 2 Km are typical for singlemode fiber fault location, however fiber identification can be made at greater distances.

Key Benefits

100 hour battery life with 2 AA Alkaline batteries
Operates with Singlemode or Multimode fiber
Universal 2.5 mm Connector
Replaceable split sleeve
650 nm wavelength
Compact size

Other Hand Held Fiber Optic Test Equipment
FTE-8000	DWDM OSA
FTE-8000-CWDM	CWDM Channel Analyzer
FTE-7500A	OTDR
FTE-7500-CWDM	CWDM OTDR
FTE-7500-ACT	PON OTDR
FTE-7000	Viper Low Cost OTDR
FTE-6000	Tuneable Laser Source (TLS)
FTE-4000	Variable Optical Attenuator (VOA)
LTS-1500	Fiber Optic Loss Test Set
PM-1500 / LS-1500	Power Meter and Light Source
VP150	Video Scope and Probe
FTE-50	Fiber Identifier

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Last Update: Friday, July 29, 2011 11:53 AM