As for the "PowerViewerPlus", it turned out that the following problem exists:
Software displays an error ”Stop the process because an invalid module exists” message will be generated if the "760813" module is implemented.
Please check whether this module "760813" is installed.
Please use the new version 1.04 (or newer) of PowerViewerPlus for the PX8000(V1.04);
Optimize efficiency and ensure compliance with industry-leading power measurement. Yokogawa analyzers deliver unmatched accuracy in watts, power factor, harmonics, and efficiency, so you can design greener systems and validate performance with confidence.
Yokogawa's Power Analyzer software manages numeric, waveform, and harmonic data measurements. It enables data logging and instrument configuration from your computer.
The PowerViewerPlus (part #760811) enables PC-based remote control, acquisition and analysis of high-frequency and transient power signals from a PX8000 Precision Power Scope.