V10.02 Sep 15, 2023

The copyright to the executable program file and associated documents is owned by HIOKI E.E. CORPORATION. This utility may not be bundled with software or other publications which are sold for profit without the express written permission of the copyright owner.
Further, this product may not be modified without the express written permission of the copyright owner.

HIOKI disclaims any and all responsibility for any consequences arising out of use of this software.

Application (PQONE_V1002.zip)
Sample data (Sample_PQ3100.zip)
Sample data (Sample_PQ3198.zip)
Sample data (Sample_PW3198.zip)

○ Latest software is posted. Keep the instruction manual up-to-date.
○ Do not perform the following operations during the upgrade. Repair is required.
・ Turn off the main unit.
・ Remove the media.


PQ ONE is a freeware application for analyzing measurement data form a HIOKI Power Quality Analyzer on a computer.

Supported model : PQ3100, PQ3100-91, PQ3100-92, PQ3100-94, PQ3198, PQ3198-92, PQ3198-94, PW3198

PQ ONE provides the following functionality:
・Display and analysis of measurement data
The software’s event statistics function allows you to check the conditions under which events occurred.
You can group three phases of trend data together on a single graph.

・Easy creation of reports
You can output reports that present screen contents without the need to configure complex settings.

・Convert Measurement Data to CSV Format
You can convert trend data or event waveform data to CSV format.

Operating Environment

Windows 10(32-bit or 64-bit), Windows 11
(Must be updated with most recent service pack as of August 1, 2023)

The above OS requirements are satisfied.
Microsoft .NET Framework 4 .5.2 or later must be installed on above operating system.
(In non-English environments, the appropriate language pack must also be installed.)

・The software may not operate on some computers, even if the above system requirements are satisfied.
・An SD memory card is required in order for the computer to be able to load PQ3100/PQ3198/PW3198 data.
・Please refer to the instruction manual (PDF file) for detailed usage.
・Starting with v10.00, the installer has been changed to be common to all languages.
    If you have installed v9.00 or earlier, please uninstall PQ ONE once.

Sample data

You can download the sample data of PQ3100 / PQ3198 / PW3198 Power Quality Analyzer.
If you have downloaded and unzipped the file, you can read by PQ ONE.

Version Upgrade History

V10.02(September 2023)
1. Fixed bugs:
-1. In the connected display of repeated measurement data, when trend data CSV output is performed by specifying a period that does not include the first data, data from a different interval from the one specified may be output.

V10.01(June 2023)
1. Fixed bugs:
-1. Repeated data cannot be connected and displayed in PW3198 data.

V10.00(April 2023)
1. Fixed bugs:
-1. In PQ3198 and PW3198 data, the Swell/Dip slide setting ON/OFF indication on the status screen is displayed in reverse.
2. Added functions / Enhancements:
-1. Enables batch loading of repeated measurement data of PQ3100 and PQ3198 imported by GENNECT Remote and GENNECT One.
-2. Voltage waveform only/current waveform only display switching added to event waveform display.
-3. Added support for CSV output of event data DMM values.

V9.00  (November 2021)
1. Fixed bugs:
   -1. An error occurs when only the measurement data file is copied directly under the drive and the data is read.
   -2. When the statistical display is linked to the trend graph, the TDD value cannot be displayed correctly.
   -3. The TDD value is calculated when the I THD value or I harm (1) value is OVER.
   -4. The current CH4 value of 1P3W1U and 3P3W3M of PQ3100 cannot be displayed in the list display of harmonic peak levels.
2. Added functions / Enhancements:
   -1. Supports PQ3198 v2.00 (supports IEC61000-4-30 Ed.3 ClassA) data.
   -2. Added "Custom" to the event selection item to enable selection of multiple events.
   -3. Partially changed the output specifications of the event list when outputting report output event waveform / fluctuation data.
   -4. Changed "Freq10s" item name of PQ3198, PW3198 data to "f10s".

V8.00  (October 2020)
1.  Added functions / Enhancements:
   -1. Supports repeated data reading.
   -2. Added the function to display User-defined Curve.
   -3. Added status output and event number specification to report output.
   -4. Added the function to select whether or not to connect the waveforms of the continuous events.

V7.00  (August 2020)
1.  Added functions / Enhancements:
   -1. Added the function to display the standard value according to GB standard (Guobiao standards).
   -2. Supports statistical display of the items displayed in the trend graph.
   -3. Added PF event counting function to statistics display.
   -4. Supports transient events with ITIC curves.

V6.20  (February 2020)
1.  Fixed bugs:
   -1. For measurement data exceeding 3000 points, the harmonic peak level THD value of the report output is incorrect.
   -2. CSV output values for TDD items may be invalid.
   -3. The graph name does not switch for some items in the trend graph.
2.  Added functions / Enhancements:
   -1. The display unit and the number of digits after the decimal point of the measured value can be fixedly displayed.
   -2. Enabled to change the size of the report output dialog.

V6.10  (November 2019)
1.  Fixed bugs:
   -1. When PQ3100 data is displayed with the "Fundamental" setting, the S / Q of the trend graph cannot be displayed.
   -2. An error message appears when trying to display the data list after a new installation.
   -3. "Power" check button of the "export csv file" dialog cannot be selected when displaying in Korean.
2.  Added functions / Enhancements:
   -1. Supports TDD (Total Demand Distortion) display.
   -2. The % value in the statistics display can be changed to any value.
V6.00  (August 2019)
1.  Fixed bugs:
  -1. There is an error in the continuous event waveform display of PQ3198 / PW3198 data.
   -2. The result of the THD item in the standard (PQ Check) display is N/A.
   -3. When there is a difference in the VT / CT ratio of CH123 / CH4, the event waveform cannot be displayed.
   -4. In PQ3198 data, when the current range difference of CH123 / CH4 is large, the Psum graph cannot be drawn accurately.
2.  Added functions / Enhancements:
   -1. Supports 10 languages (Japanese, English, Chinese (Simplified / Traditional), Korean, German, French, Italian, Spanish, Turkish).
   -2. Supported PQDIF format loading.

V5.00  (March 2019)
1.  Fixed bugs:
   -1. PQ ONE can not start from GENNECT Cross for Windows.
   -2. CH4 can not be displayed on transient waveform in PW3198 (1P2W/1P3W wiring) data.
   -3. Flicker Δ10 measurement items can not be exported to CSV.
2.  Added functions / Enhancements:
   -1. Supported PQ3198 data.
   -2. Added ITIC curve screen and high-order harmonic frequency analysis screen.
   -3. Added MAX/MIN items to statistics screen.
   -4. Added power, power factor and high-order harmonic items to the Custom setting of the standard (PQ Check) screen.
   -5. Added A-B cursor function to event waveform screen and event trend data screen.
   -6. Supported PQDIF format saving.
   -7. Supported the screen size change for split bar.
   -8. Screen copy function can be added more screens, and list copy function added.
   -9. Enhancements of trend graph screen and trend list screen.

V4.00 (August 2018)
1.  Fixed bugs:
   -1.  Part of the legend in the detailed trend (in trend graph) display was found to be incorrect.
2.  Added functions / Enhancements:
   -1. New support for PW3198 data.
   -2. New supported for Simplified Chinese display.
   -3. Added the PQ Check (simple standard result display) function.
   -4. Enhancements of data list function.
   -5. Improvement / Enhancements of the trend graph / event data screen.
    (1)  Moved the "Auto Scale" and "Unzoom" button to each screen.
    (2)  Added an "Axis X ZoomIn" and "Axis X ZoomOut" button to each screen.
    (3)  Modified so that display items can be changed during graph drawing.
   -6. Ability to create reports on a PC that is not installed with Microsoft Word.

V3.00 (March 2018)
1.  Fixed bugs:
   -1. At the following conditions, the trend graph display was illegible in rare cases.
    (1)  Measured values of n*10000 point.
    (2)  PF trend graphs with mixed +/- values.
    (3)  Graphs with invalid values.
2.  Added functions / Enhancements:
   -1.  Added a function to display statistics.
   -2.  Added a function to display standards.
   -3.  Added a function to copy the displayed screen.
   -4.  Added a function to create a quick report.
   -5.  Added a function to show OVER range areas in a trend graph.
   -6.  Faster trend graph drawing process.

V2.00 (August 2017)
1. Fixed bugs:
 -1. The display of an event waveform graph was illegible when expanding the X-axis in the case of a continued event.
 -2. Fixed the data processing method when a flag appears on a trend graph.
 -3. The event list time displayed when one event exceeded 24 hours was incorrect.
 -4. Fixed how an OVER decision is processed for power parameters (P, Q, S).
2. Added functions:
 -1. Support for firmware update of PQ3100:
  (1) Added a function to display transient waveforms. 
  (2) Added a function to display trend graphs related to flicker.
  (3) Added a function to display trend graphs related to demand value / demand quantity.
  (4) Added a function to display graphs and parameters related to RVC events.
 -2. Added a function to convert measurement data to CSV format. (Trend graph, Event waveform) 
 -3. Added a drag and drop function.

V1.10 (May 2017)
1. Fixed bugs:
 -1. Fix a bug that caused the trend graph display to be illegible when expanding the X-axis by specific data.
 -2. Fix a bug that caused an error in the trend graph when the Y-axis is zoomed until the graph becomes perpendicular.
 -3. Fix a bug that prevented the X-axis from being enlarged when using 150/180cycle interval data compared to other interval data.
2. Added functions:
 -1. For faster trend graph drawing process:
  (1) Changed the search algorithm
  (2) Added a function to create a cache file
 -2. Added a function to change the display language
 -3. Support for the “GENNECT Cross” application.

V1.01 (November 2016)