Over the years I have bought several inexpensive electronic scales. Apparently, my expectations of this scale are just unrealistic. Like most others, this scale will show different readings as you lift and replace the powder tray. Normally the deviation is 0.2 grains or less, but sometimes it may differ by 0.3 grains. It's no different than most other scales I own. I would have kept it, but after a few days it started showing "Lo" on the screen. Nowhere in the manual does it say what "Lo" means, but I assumed it meant low battery. But when I tested the batteries, they worked fine. i give it back Note: I have RCBS and Lyman control weights and this is how I check accuracy. I have a perfectly accurate scale, but if you load even the smallest amount of ammo, the beam scale will be terribly slow. Right now I believe the only way to get the speed and accuracy you want is to get an electronic balancer scale where the weight in the cup opposes the electromagnetic force. These scales are incredibly accurate and incredibly expensive.
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