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Weird numbers from Romer at machine

Has anyone seen weird numbers out of their Romer Arm in tight spots (close to the arm) at the machine? We could not get the Romer to check anywhere near close to the hand gages (Verniers, PiTape) at the machine (.005-.010) undersized... I brought 3 smaller diameters to the machine, never moved the Romer Arm, and they checked perfectly, one of them was a Ring Gage and the Romer checked it within .0001... While taking points on the actual part, we had the arm in some contorted positions, but it still allowed us to take the points, which makes me curious if anyone else has had the same issue??? The inspectors first thought was a calibration issue, then a setting in the software, but I could not find any abnormalities with it...

As added info, we tried moving the arm on the machine, re-calibrating and even tried mounting it outside the machine on something, but didn't have anything sturdy enough to keep it locked in place...
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