Tier-1 certification kit with power meter and light source, compatible with multiple duplex and multi-fiber connectors up to 24 fibers. Measures loss, length, and polarity in just 1 second, as per certification standards. Keysight optical power meters measure optical signal strength, providing multi-channel measurement processing and system control while offering rapid response times, wide dynamic range, and simple integration into automated test setups. Our optical power meters feature built-in calibration factors. VIAVI offers fast, cost-effective, and easy-to-use power meters for installation and maintenance of single mode and multimode fiber optic networks and advanced, photonic-layer power meters for lab and production environments. Fast, accurate, flexible power measurement in a platform-based solution. Optical power meters, also referred to as peak meters, are used in the installation, maintenance, and testing of fiber optic networks, whether single-mode. AFL offers a full range of optical power meters to support FTTx deployments, fiber network testing, certification reporting capabilities and basic power measurements. Read more about our handheld testers below. From general-purpose meters to meters optimized for certain types of networks—we have the gear you need.