Rohde & Schwarz Vector voltmeter measurement application (unregistered license)
The Rohde & Schwarz ZNL-K14 Vector Voltmeter Measurement Application (unregistered license), part number 1334.6852.03, is an optional software feature for the R&S ZNL vector network analyzer series. This application enables the ZNL to perform vector voltmeter measurements, allowing users to measure the amplitude and phase difference between two signals with high accuracy. The feature is particularly useful for applications such as antenna alignment, cable phase matching, and other tasks requiring precise phase and amplitude comparison. The unregistered license version requires activation for full functionality. For more details, refer to the official Rohde & Schwarz product documentation.