WTViewerEfree Software

The WTViewerEfree is free software for power analyzer models that include WT series*. The software simplifies instrument configuration and gathering of measurements.

*WT5000 / WT3000E / WT3000 / WT1800E / WT1800 / WT500 / WT300E / WT300

You can use the software to connect the WT series to a PC for access to the following:

  • Retrieve, display, and save data that the WT series has measured and set up measurement parameters.
  • Remote control of a WT series.

  • * Firmware Ver. 2.31 or later is required for WT1800.
  • * Firmware Ver. 1.21 or later is required for WT500.
  • * Firmware Ver. 6.11 or later is required for WT3000. And it requires to dedicated advance mode setting.

You can use this software to control a single PC-connected WT series.

Setting Window

As well as using the WT series front panel to set up the power analyzer, users can apply the software to quickly set up desired settings. It also shows all the settings and the status at a glance.

SettingWindow LG
 
SettingWindow LG

Measurement Window

The software can display items that cannot be shown on a screen of the WT series, such as multiple numeric measurement parameters, harmonics data of each other, bar graphs, trend graphs, vector, and voltage & current waveforms together.

MeasurementWindow LG

Menus

The software has the following menus:

  • Connection: Used to configure the communication between the WT series and PC.
  • Setting: Used to set WT series measurement conditions.
  • Measure: Used to display measured results in bar graphs, trend graphs, etc.
  • File: Used to save and load setup parameters.
  • Exit: Used to close the software.

Types of Display Screens

Numeric

Displays WT series measurement data numerically. For models with the Harmonic measurement option (/G5, /G6) or the Advanced Calculation option (/G6), harmonic measurement data is also displayed.

Numeric

Numeric List

Lists harmonic measurement data for each harmonic order. Numeric lists can be displayed when the WT series is equipped with the Harmonic measurement option (/G5, /G6) or the Advanced Calculation option (/G6).

Numeric list

Numeric Matrix

Displays WT series measurement data for each element.

Numeric Matrix

Waveform

Displays waveform display data that has been collected from the WT series.

Waveform

Trend

Displays changes in measured data over time on a trend graph.

Numeric Matrix

Bar Graph

Displays measured harmonic components for each harmonic order. Bar graphs can be displayed when the WT series is equipped with the Harmonic measurement option (/G5, /G6) or the Advanced Calculation option (/G6).

Bar graph

Vector

Display harmonic measurement parameters (fundamental components) as a vector plot. Vector plots can be displayed when the WT series includes the Harmonic measurement option (/G5, /G6) or the Advanced Calculation option (/G6) and more than 2 sets of the same input elements.

Vector

Functions

Measuring Mode Normal, harmonics, integration
Types of Files Waveform, calculated values, harmonics, settings
Display Screens Numerical, waveform, trend, harmonic bar graph* and vector plot*
* The Harmonic measurement option is required.
Data Acquisition Interval 50 ms at maximum speed.
- The data storage period can be any custom setting (more than 20 seconds) and the data update rate of the product.

- Depends on your PC's performance.* When the WT series data update interval is shorter than the time it takes for the software to collect one set of measured data, there will be pieces of data that the software will not collect.

Function List

Display Numeric Data
Waveform
Trend
Harmonic Bar graph
Vector
Types of Files Conversion to CSV
Data Acquisition Interval 50 ms at max. speed.

You can use this software to control a single PC-connected WT series. To control multiple PC-connected power analyzers from a single PC, please use the WTViewerE software application.

System Requirements

PC CPU Equivalent to Intel Core i5-2430M or better
Memory 2 GB or more recommended
HDD 10GB available free space or more
OS English version of Windows Vista, Windows 7, Windows 8, Windows 8.1, or Windows 10
Communication Board GP-IB NI (National Instruments, but Windows 10 is not supported)
PCI-GPIB or PCI-GPIB+
PCIe-GPIB or PCIe-GPIB+
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.
GPIB-USB-HS
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.
GPIB-USB-HS+
Use driver NI-488.2 Ver.14.0 or later.
RS-232 An available PC COM port
Ethernet 10BASE-T or 100BASE-TX compatible Ethernet port
USB A USB Rev. 1.1 or later USB port
Display, Printer, and Mouse Screen Resolution 1366×768 pixels or higher
Disk Drive A drive that can read CD-Rs
Operating System Must be compaible with the operating systems listed above.

Nov. 22, 2018

  • Updated software version to 1.41

WT3000E - High Accuracy

  • High Accuracy Electrical & Mechanical Efficiency of Inverters and Motors in EV and HEV
  • IEC Harmonics (IEC61000-3-2 & IEC61000-3-12); Voltage Fluctuations and Flicker (IEC61000-3-3 & IEC61000-3-11)

 

Precision Power Analyzer WT3000

With 0.02% accuracy and 1MHz bandwidth, the WT3000 delivers where the highest precision measurements are required. It is the industry standard for R&D work on inverters, motor drives, lighting systems and electronic ballasts, UPS systems, aircraft power, transformer testing, and other power conversion devices.

WT1800E - High-Performance

  • Power, Harmonics (THD) Measurements (up to 500th order)
  • Electrical & Mechanical Efficiency of Inverters and Motors in EV and HEV

 

 

WT1800 High Performance Power Analyzer

The WT1800 Power Analyzer offers maximum flexibility with up to six wattmeter elements, high bandwidths, simultaneous high speed digitizing, and wide voltage and current ranges. Although this model is still available, the newer WT1800E offers higher accuracy.

WT500 - Mid Range

  • Power and Harmonic (THD) Measurements with Independent Range Controls
  • Efficiency measurements of AC/DC or DC/AC Inverters & Motors

 

WT300E - Economy

  • Standby Power Measurements, Energy Star®, SPEC Power® and IEC62301/EN50564
  • Evaluation and Testing of Batteries, Home Appliances and Uninterruptible Power Supplies (UPS)

 

Digital Power Meter WT300

The WT300 offers high performance and high reliability in a compact package with excellent price value, making it ideal for multiple applications from R&D to manufacturing test. It is the fifth generation of Yokogawa's value series power meter, and the world's best selling power meter.

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