Home Products Accessories Lights Fluke FOS-850 Fiber Optic Light Source Fluke FOS-850 Fiber Optic Light Source Key featuresA variety of light sources allow you to test different cable lengths.One year warranty Manuals Buy now Models Resources Compatible products Models: Fluke FOS-850 Fiber Optic Light SourceFluke FOS 850Fiber Optic Light SourceBuy it Resources: Fluke FOS-850 Fiber Optic Light SourceManuals (3)FOM/FOS | Service informationFOM/FOS | Instruction sheetFOM/FOS | Instruction sheet supplementRegister productsRegister product Compatible products: Fluke FOS-850 Fiber Optic Light SourcemA loop calibratorsFluke 789 ProcessMeter™