You are using a version of Internet Explorer (version 8 and / or older) or the compatibility mode, which does not support some functionalities of the site you're viewing. This page can be displayed correctly you therefore may not. In order to use the full functionality of the site is a current Internet Explorer or another browser (eg: Google Chrome, Firefox) necessary.
HomeServiceDownloadsSoftwareOther products > inoLab 740 / inoLab Level 3 Terminal

Software and Updates for inoLab® 740 / inoLab® Level 3 Terminal

Download of the most current software versions for WTW benchtop meters of the series inoLab® 740/Level 3 Terminal 

Firmware Update – V4.27

Windows software for firmware update of inoLab 740/Level 3 Terminal via Personal Computer.


  • After firmware update to version 4.02 the use of the new technical buffer solution 10,01 Trace instead of technical buffer solution 10.0 is mandatory.
  • For proper operation of the new adaptor ADA USB/ser and data transfer via USB interface firmware version 4.02 or higher has to be installed.

Download and installation notes:

For the connection of inoLab 740/inoLab Level 3 Terminal with a Personal Computer via serial interface the following accessory is needed:

  • AK T-PC adapter cable, WTW Order No.: 902 902

The adapter cable is included in the inoLab 740/ inoLab Level 3 set.

Version history – innovations

  • V4.27: 

    • ISE Calibration: allows 7 point calibration with newest version of multifunction boxes
      (software version of multifunction boxes: V 3.52 or higher) 

MultiLab® Pilot – V5.26

Windows software package for easier configuration and control of inoLab® 740 / Level 3 active multifunction boxes and for data transfer/processing from further WTW instruments via Personal Computer.

Download and installation notes:

System Requirements:

Microsoft Windows 2000, Windows Server 2003, Windows XP, Windows Vista, Windows 7, Windows 8 or Windows 10

Version history – innovations:

  • V2.26: Solving installation problems with Windows 8 and Windows 10

Download ZIP archive:

This may interest you:

Product information about the inoLab® benchtop meters:

These benchtop meters inoLab® 740 / inoLab® Level 3 are products that are no longer part of our product lineup.

You can find product information about the current benchtop meters here.

Are you interested
in signing up for the free
WTW newsletter?

WTW Newsletter Registration

Any Question?
We advise
you gladly!

WTW Contact