This firmware update includes Fluke 744 HART support for:
The update is performed on a Windows PC with the 744 connected via serial cable. Follow the instructions for doing the update. Do not turn off the PC or the 744 while the update is in progress. Once the update is complete, cycle the 744 off and on and verify the new version number (4.03 or 4.53). It is NOT necessary to recalibrate the 744 after the firmware update has been completed. If you experience any problems during the update, launch the update application and try again. If problems still occur, contact Fluke Support for further assistance.