the software platform of the Gear Integrated Error Tester is based on MS-DOS OS. In order to make the instrument measuring operation more powerful and convenient
we should develop the Windows’ measure platform. Based on the CZ450 Gear Integrated Error Tester
analyses the principle of the instrument is analysed
and the realization of the system hardware and software development aims and frame for upgrading the Gear Integrated Error Tester are exploed.