760881 PowerViewerPlus for PX8000

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.

Main functions

  • Remote control of a single PX8000
  • Monitoring screen the PX8000 screen
  • Display of: the main waveform, zoom waveform, history memory, XY waveform, and the measurement result 
  • Calculation of waveform parameters
  • Conversion of multiple files (WPF→CSV)
  • Saving data
  • User-defined computation
    Max. 32 expressions for waveforms MATH1 to MATH32, 100M points/CH Arithmetic expressions can be created using the following combinations of waveform operations and constants. +, −, *, /, SHIFT, ABS, SQRT, LOG, EXP, NEG, SIN, COS, TAN, ATAN, PH, DIF, DDIF, INTG, IINTG, BIN, SQR, CUBE, F1, F2, FV, PWHH, PWHL, PWLH, PWLL, PWXX, DUTYH, DUTYL, FILT1, FILT2, HLBT, MEAN, LS-, PS-, PSD-, CS-, TF-, CH-, MAG, LOGMAG, PHASE, REAL, IMAG,TREND, TRENDM, TRENDD, TRENDF, _HH, _LL, _XX and ZC

Remote control of a single PX8000

You can operate your PX8000 through your PC on the setting screen of PowerViewerPlus.

760811 remote

PX8000 Screen Monitoring

The PowerViewerPlus can monitor the screen of your PX8000.

760881 screen

Screen Details

PowerViewerPlus can display the main waveform, zoom waveform, history memory, XY waveform, and measurement results.

760881 display

Saving data

PowerViewerPlus can save PX8000 setup information as well as waveform / numeric measurement data.

760881 data

User defined computation (MATH)

The PowerViewerPlus software can apply up to 32 MATH function expressions.

760881 math
Data Save Formats
Setup parameters1

CFG format (.cfg)

Numeric data CSV format (.csv)
Waveform data CSV format (.csv), WPF format (.wpf)

1Setup parameters cannot be saved to CSV files.


Data Load Formats
Setup parameters

CFG format (.cfg)

Numeric data2 -
Waveform data2 WPF format (.wpf)

2 CSV data cannot be loaded into the software.


  • Numeric Data
  • Bar Graph
  • Vector Plot3
  • Waveform
  • FFT3

3 Harmonic measurement option must be installed on the PX8000.


System Requirements
Personal Computer CPU Dual core 64-bit processor or faster
Memory 2 GB or more recommended
Hard Disk 10GB available free space or more
OS 64-bit version of Windows Vista, Windows 7, Windows 8/8.1, and Windows 10
(All English versions)

Communications Port
  • GP-IB: Products of (National Instruments)
  • On Windows Vista, Windows 7: Use driver NI-488.2 Ver.2.7.2 or later.
  • On Windows 8 or Windows 8.1: Use driver NI-488.2 Ver.3.1.0 or later.
  • On Windows Vista, Windows 7: Use driver NI-488.2 Ver. 2.8.1 or later.
  • On Windows 8 or Windows 8.1: Use driver NI-488.2 Ver.3.1.0 or later.
Ethernet: 10BASE-T, 100BASE-TX or 1000BASE-T compatible Ethernet port
USB: A USB Rev. 1.1 or later USB port
Display, Printer and Mouse Screen Resolution: 1366×768 or higher
Disk Drive: A drive that can read CD-Rs

PX8000 with at least one power measurement element and AUX module.



Designing an instrumentation system for high current measurement requires careful consideration of the trade-offs associated with each type of sensing device. The purpose of this application note is to help engineers understand the sensing choices available and the corresponding trade-offs with each technology.


In dissertation published by the University of Central Florida on its STARS website, research is conducted using a Yokogawa Test&Measurement PZ4000 R&D Power Analyzer to measure the efficiency and total harmonic distortion (THD) of microinverter operating modes.


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