Specim Specsensor SDK needs to be installed on the system running perClass Mira.


The Specsensor version needs to be at least 2018_415 (if you still use 2017 SDK release, please update). In general, it is adviceable to update to the latest Specsensor release.


After Specsensor installation, make sure that the system Path environment variable contains the path to Specsensor


  1. Open System Settings dialog



  1. Open "Edit environmental variables for your account" dialog



3. Make sure the path to points to the bin\x64 sub directory of the SDK


Restart of the machine is not needed, only restart of perClass Mira application.