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Software and Updates for the pHotoFlex® Series

Download the latest version of software for the portiable Colorimeters pHotoFlex® pH, pHotoFlex® STD and pHotoFlex® Turb

Firmware and Methods Update – V2.06 / 2.06W

Update of instrument software and programs (methods) for pHotoFlex® pH, pHotoFlex® STD and pHotoFlex® Turb

Note: After the update the photometer is only compatible with LSdata, version 4.00 or higher.

Instument software V 2.06
Programs (methods) V 2.06 W

Download and installation notes:

The software and method data updates can be downloaded by mouse click. The files have been compressed into a zip archive (*.zip). For installation please follow the instructions below.

Download and installation

  • Store the downloaded zip archive into a directory of your choice
  • Decompress all files contained in the zip archive in a directory of your choice
  • Double-click the pHotoFlex_V2_06_2_06W.exe file
  • Subsequently, follow the instructions of the installation program

Updating the photometer via the integrated RS 232 interface requires the following equipment:

  • PC with Windows XP, Windows Vista or Windows 7 and installed update program
  • AK 540/B cable (order no. 902 842) or: LabStation with interface cable

Carrying out the update:

  • Connect the serial interfaces of the PC and photometer using the interface cable
  • Switch on the PC and photometer
  • Start the update program via the Windows start menu (…/WTW/Update pHotoFlex/Update)
  • Follow the program instructions. The program automatically recognizes the connected photometer and guides you through all further steps.
    After the last confirmation for the update, the new software and/or new programs are loaded into the photometer.
    The entire update procedure takes approx. 4 minutes. 


  • If any analysis specifications were added or changed compared to the last version,
    all alterations as well as the current list of all pHotoFlex programs are available as a pdf file in the Windows start menu (…/WTW/Update pHotoFlex/…)
  • All analysis specifications are available under “Operating manuals“ in the download section of this homepage
  • If any problems arise, please contact our customer service personnel: Tel: +49 (0) 881/183-321. 

Version history – innovations

  • V 2.06 / 2.06 W:

    • New Methods: 

      • 351 (Alkalinity M-Wert,  KsM-1 TT) 
      • 352 (Alkalinity P-Wert, KsP-1 TT) 

    • Modified methods 43, 44, 45 (Measured value display accurate to two decimals)

  • V 2.05 / 2.05 W: Standard adjustment for ALL pHotoFlex® instruments plus more test kits in the range of Powder Pillows and cell tests


LSdata – Version 4.00 (Update)

Free update of the WTW data management software LSdata for pHotoFlex® and Turb® 430 series.

Download and installation notes:

Administrator rights on PC required:

  • Save the downloaded zip file in a directory of your choice
  • Unzip the files contained in the zip archive into a directory of your choice
  • Run the following exe file depending on the language version of the installed LSdata software:

    • German:  LSdata_Upgrade_Ger_V400.exe
    • English:  LSdata_Upgrade_Eng_V400.exe
    • French:  LSdata_Upgrade_Fre_V400.exe
    • Spanish:  LSdata_Upgrade_Spa_V400.exe

  • Then, follow the instructions of the installation program.

Version history – innovations

  • Changes in version 4.00:

    • Detection of devices with firmware version 2.00 or higher.
    • Expansion of the number of proprietary programs (methods) with pHotoFlex® STD to 50.   

Download ZIP archive:

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