Optilab rEX Firmware Updates

Install or upgrade to the latest version of the rEX firmware here. Or contact Wyatt Technology to get the latest update on CD. The release notes describe the improvements in the firmware.

Upgrading is easy:

1. Download the update for the latest version.
2. Establish communication with the rEX either via the internet, USB, or cross-over cable.
3. Run the installer for the update and follow the on-screen instructions.

Please note that it is necessary to be running Optilab rEX Firmware 5.0.3.3 or newer to install this update. You should also be using ASTRA 5.1.9.1 or greater. See the software update page to upgrade ASTRA.

Download the installer for version 5.1.1.4 of the firmware (4.1 MB)

Note: Only for users of firmware 5.0.3.3 or newer. If you are not currently running a suitable version of the firmware, please contact Wyatt Customer Support for assistance.