Software downloads

Last updated: February 16, 2022

Version history

  • 2022-01-21 Version Updated to LabVIEW 2021.
  • 2021-06-15 Version Bugfix web data access returning DC values only.
  • 2021-06-14 Version PLL low frequency jitter fixes. UPD_HostResponder TTL increased to 4.
  • 2021-02-01 Version Performance improvements on web interface no longer using python or shell scripts. Major changes to calibration program.
  • 2020-11-01 Version Improved network discovery on Windows 10, improved system stability, limit number of simultaneous waveforms at highest sampling rate.
  • 2020-07-21 Version Update to LabVIEW 2020
  • 2020-01-23 Version Update to LabVIEW 2019
  • 2019-12-30 Version Faster connection with fixed issues.
  • 2019-12-08 Version Bug fixes: broken links in some environments and excessive web access activity for system status.
  • 2019-05-15 Version Remove dependency of lvanlys.dll
  • 2019-02-02 Version Update fixes. Network fixes.
  • 2018-12-30 Version USB update fixes.
  • 2018-12-28 Version Hardware initialization updates.
  • 2018-09-10 Version Update to LabVIEW 2018. Bugfixes.
  • 2018-05-12 Version Update to LabVIEW 2017.
  • 2017-11-30 Version
  • 2017-05-23 Version
  • 2016-08 Pre-release version

MCL User Application

The User Application requires the corresponding LabVIEW runtime engine.


Full Installer


This installer will install / has installed the following items:

  • MCL User.exe: Application for configuration and direct interation with the MCL1-540 multi-channel lock-in amplifier (MCL)
  • MCL.lvlibp: LabVIEW packed library for LabVIEW control and access
  • LabVIEW example code for using the packed library
  • LabVIEW runtime engine


To uninstall the software, click the Start menu and start typing “MCL”. Then right-click on the program and select uninstall.

Once the installer has installed the software, it will not install an already installed version again, unless first uninstalled.


Example Code

The example code contains two LabVIEW libraries and an example LabVIEW project.