LJM Software Installer - macOS ARM64 | LabJack Public Support Documentation

Below is the latest release of the LabJack Modbus Driver (LJM) for ARM based macOS (M1, M2, etc.). LJM supports T-Series and Digit devices. For other devices see Software Installer Downloads.

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Download - macOS arm64 Installer

Included Software Packages and Versions

The following software is included: LJM Library - Version: 1.2304, LJM Constants - Version: 2025.05.06.A, libusb - Version: 1.0.25, Kipling - Version: 3.4.6

LJLogM and LJStreamM do not support macOS.

Installation Instructions

Check the system requirements.
Download and extract the contents of one of the .zip archive above.
Run LabJack-LJM_YYYY-MM-DD.pkg
Follow the installer instructions.

MacOS 14 has introduced a breaking change to rpaths.
A fix for the time being is to add “/usr/local/lib” to your “DYLD_LIBRARY_PATH” environment variable.
This can be done by adding this line to your ~/.zprofile file:

export DYLD_LIBRARY_PATH=/usr/local/lib:$DYLD_LIBRARY_PATH

Removal Instructions (Uninstalling)

To uninstall LJM, see this guide: LJM Uninstallation Instructions