They state that accuracy is +/-.5% of measured velocity or better. For example, a 3000 fps load would be no more than 15 fps out. Say, 2993 to 3008 fps.
Steve, in the example of +/- .5% of 3,000 fps, the actual range of velocities displayed could be from 2985 to 3015.
Good shootin'
-Al
