See this Paper for An Uncertainty Analysis of Fluke Calibration Fused-Quartz Bourdon Tube Pressure Products from the 2013 NCSL International Workshop and Symposium.
Here is the link to view or download the Paper,
Covers these models:
7250
7250LP
7250i
7250xi
7250-SYS
7050
7050LP
7050i
7252
7252i
7750i
Also see this article, QBT Product Specification Changes effective September 2021.