V  Jun 1, 2015

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(PWPowerMeasurementSoftwareV102en.zip)


  • Instruction Manual(PWPowerMeasurementSoftware_en.pdf)


Windows XP(32-bit)SP3 or later
Windows Vista(32-bit)SP2 or later
Windows 7(32-bit or 64-bit)SP1 or later
Windows 8(32-bit or 64-bit)


”Standby Power Measurement Software” is application software exclusively used for the Power Meter PW3335.
This software allows you to view the measurement data and also save them in the CSV format through communication with up to one Power Meter via a LAN, GP-IB, or RS-232C(COM port).

Version Upgrade History

V1.0.2.0 (June 2015)
・The method of calculating the uncertainty for the measuring instrument is improved.
・Compatibility to certain RS-USB converters that were previously not supported.
・Improved the output information found in the test log field.

V1.0.1.0 (December 2014)
・Connection registration could not be made on the non-D/A output Models PW3335,
PW3335-01 and PW3335-03. This has been corrected.

V1.0.0.0 (October 2014)

Operating Environment

・CPU 1.0 GHz or better (2.0 GHz or better recommended)
・RAM 1GB(x86) or 2GB(x64) or more
・Windows XP SP3 or later (32-bit),Windows Vista SP2 or later (32-bit),Windows 7 SP1 or later (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.