The functionality of the older program, "CalTools for RPTs" has been replaced with a CalTools functionality mode within COMPASS for Pressure. This functionality is present in all versions of COMPASS for Pressure including the DEMO mode after the demonstration period has expired. The linked Application Note (below) describes how the mode works, how to set it up, and how to use it.
How to calibrate reference pressure transducers with COMPASS® for Pressure Software
Update - 01 May 2020:
For users of COMPASS for Pressure version 5.0 and newer, the CalTools functionality requires a .dll file to e added to enable the CalTools functionality. See this article for instructions and the file:
CalTool Extension for COMPASS for Pressure