My chargemaster when taking the pan off and on would vary 32.1 to 32.2 and the charge weight checked on a certified accurate balance beam showed the variance. I could also put a NIST certified 35gr weight in the pan and when putting it on and off the platten would be 35.0 to 35.1. So I'm thinking this thing sure is flakey and finally figured out the pan was on the ragged edge of weighing up to the next grain making the scale be undecided what to do. So I lightly did a little deburring of the pan till it would weight a constant 32.1 if I took it on and off a 100 times. Ureka!!! The 35gr standard now weights in at a constant 35.0 and never varies. The fix is showing up on charges also only varying about .05 plus or minus. I think I'll keep it