Version  Apr 14, 2017

If you are unable to download software, please check the following:

  • Please register a myHioki account and then use it to log in to the myHioki service.
  • Product firmware (product upgrades) and computer application software can only be downloaded for products you have registered on the myHioki service.

  • Application(


  • Instruction Manual(PW_Communicator_en.pdf)


  • USB488h driver(64-bit)(PW3390USB Driver (64-bit).zip)


  • USB488h driver(32-bit)(PW3390USB Driver (32-bit).zip)


・The PW Communicator is a dedicated application software for the Power Meter PW3335, PW3336, PW3337, PW3390 and PW6001.
・With this software, up to eight units of PW3335, PW3336, PW3337, PW3390 and PW6001 may be connected to a PC via LAN, USB, GP-IB or RS-232C to enable data communication, display of measurement data and input voltage and current waveforms, data save in CSV format, calculations using the measured data from two devices, and power meter setting configurations.

How to install

1.Decompress the ZIP file using a proper decompression utility or application.
2.Execute SETUP.EXE by double-clicking on the file.

To use the PW3390 with USB ,please also install USB488h driver.

Version Upgrade History

Version (April 2017) Newest Version
Support for Model PW3390

Version (july 2015)
Support for Model PW6001

Version (October 2014)
・Support for Model PW3335
・Number of connectible devices increased from 2 to 8
・Application name changed from PW3336/PW3337Communicator to PW Communicator
Version (January 2014)
・Calculation (Inter-device arithmetic) function is added.
・Instrument setting function is added.
・Waveform display function is added.

Version (October 2013)

Operating Environment

・CPU 1.0 GHz or better (2.0 GHz or better recommended)
・RAM 1GB(x86) or 2GB(x64) or more
・Windows 7 SP1 or later (32-bit or 64-bit),Windows 8 (32-bit or 64-bit), Windows 8 (32-bit or 64-bit)
・The following software must also be installed:
 1. Microsoft .NET Framework 4

* To install this application, the Microsoft .NET Framework 4 must be installed.
(In a non-English environment, language pack according to the environment is necessary)
If this package is not installed and your computer is connected to the Internet, the Microsoft .NET Framework 4 will be downloaded and installed automatically before the application is installed.
You can also download the Microsoft .NET Framework 4 yourself from the Microsoft homepage.

Contact Information

*HIOKI welcomes opinions, suggestions, operation reports, and bug reports. Please send such communications to the following address.
*HIOKI reserves the right to incorporate any suggestions and opinions received in its products without notice.