Quick links Return Merchandize Authorization (RMA) Register product Calibration Services Spec sheet User manual Knowledge base How-to videos Helpful resources Filter Cancel Language English (1) Clear all Spec sheet FOT-300 optical loss test set (OLTS) Download User manual FPM-300 Power Meter, FLS-300 Light Source & FOT-300 OLTS Download Knowledge base 2024-11-27 Recommended Calibration Interval Calibration Most EXFO Test & Measurement products 2024-11-27 2024-08-07 EXFO Light Source and Power Meter Compatibility Matrix Fiber Optic testing All single fiber power meters and light sources 2024-08-07 2023-11-02 Finding replacement battery part numbers General Information Portable products with batteries 2023-11-02 2022-06-27 Does my instrument have APC or UPC connectors? Fiber Optic testing All EXFO instruments with physical contact fiber connections. 2022-06-27 2022-06-17 Absolute Power measurement appears outside of specifications (small error) Fiber Optic testing All fiber optic power meters 2022-06-17 2022-05-20 Absolute power measurement is not as expected. Fiber Optic testing All fiber optic power meters 2022-05-20 Knowledge base Find the answers you're looking for. See all documents Let’s keep in touch! Get the latest news on network testing, monitoring and analytics. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Thank you!