All new and repaired HiTemp140 series loggers received after May 2018 have improved firmware that requires Standard software version 4.2.13.1 or Secure software version 4.2.12.1 or later.
To check the current version of software, open the Madgetech 4 software and go to: File >> Options >> About
To update Madgetech 4 Standard software, go to: http://www.madgetech.com/software-download
To purchase the MadgeTech 4 Secure software upgrade, please contact: orders@madgetech.com