Software downloads

Last updated: April 26, 2023

Version history

  • 2023-03-28 Version Updated to LabVIEW 2023. Small fixes. Support for 2.0nV modules. Updated manual.
  • 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.

Version LV2016 WIN 32bitLV2017 WIN 32bitLV2018 MAC 64bitLV2018 WIN 32bitLV2018 WIN 62bitLV2018 WIN 64bitLV2019 WIN 62bitLV2019 WIN 64bitLV2020 MAC 64bitLV2020 WIN 32bitLV2021 WIN 32bitLV2021 WIN 64bitLV2023 WIN 32bit[download][download][download][download][download][download][download][download][download][download][download][download][download][download][download]

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.

Version LV2016 WIN 32bitLV2018 WIN 32bitLV2018 WIN 64bitLV2019 WIN 32bitLV2019 WIN 64bitLV2020 WIN 32bitLV2021 WIN 32bitLV2021 WIN 64bitLV2023 WIN 32bit[download][download][download][download][download][download][download][download][download][download][download]

LabVIEW Example Code

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

Version LV2018 MAC 64bitLV2018 WIN 32bitLV2018 WIN 64bitLV2019 WIN 32bitLV2019 WIN 64bitLV2020 MAC 64bitLV2020 WIN 32bitLV2021 WIN 32bitLV2021 WIN 64bitLV2023 WIN 32bit[download][download][download][download][download][download][download][download][download][download][download][download]

Python library

The MCLpy python library can be downloaded from Github: For access contact the support.