Quick links Return Merchandize Authorization (RMA) Register product Spec sheet User manual Knowledge base How-to videos To explore more how-to videos, click the playlist icon in the top-right corner of the video. Helpful resources Filter Cancel Language English (2) Français (2) 中文 (2) Português (1) Clear all Spec sheet PPM-350D PON power meter Download User manual PPM-350D PON Power Meter Download Knowledge base 2024-11-27 Recommended Calibration Interval Calibration Most EXFO Test & Measurement products 2024-11-27 2023-11-02 Finding replacement battery part numbers General Information Portable products with batteries 2023-11-02 2022-06-17 Absolute Power measurement error observed with an in-line power meter Fiber Optic testing PPM-350 Series, OX1, OTDR in-line 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!