Keysight Technologies Inc. Upgrade from 30 MHz to 120 MHz
The Keysight E4990AU-122 is an official hardware upgrade option for the E4990A Impedance Analyzer, enabling users to extend the instrument's frequency range from the standard 30 MHz up to 120 MHz. This upgrade allows for broader application coverage, supporting advanced impedance measurements for a wider variety of components and materials. The E4990AU-122 is designed and manufactured by Keysight Technologies and must be installed by authorized service personnel. It ensures full compatibility and maintains the high accuracy and reliability standards of the E4990A series, as specified by Keysight.