The EXFO America Fiber Optic Power Meter, MAX945VZ1 (Millennium part #524696) is a handheld optical power meter built on EXFO's MAX-900 series platform for measuring signal strength across singlemode and multimode fiber optic cable networks. Technicians use this power meter to verify transmit and receive levels during fiber optic cable installation, splicing, and troubleshooting, helping confirm that optical budgets meet design specifications before service activation. Its compact, rugged housing is designed for daily field use by installation and maintenance crews. Paired with a matching light source, this meter supports accurate end-to-end insertion loss testing on access and enterprise fiber links.