I bought another cheap set to get me through while looking for a decent set. Picked up one of these and I have been very pleasantly surprised with how well they are working. https://www.trademe.co.nz/3791015677
Calibration is easy and linearity and repeatability seem to be spot on. For example, I calibrate with a 50g calibration weight, then weigh a 20g weight and 10g weight and all read exactly their value. The response is faster and more consistent that the last few sets I have had and so far I have seen zero drift after around 200rds loaded.
I tend to check that the scale has not drifted every 10 charges weighed, as my last set were shocking for drift. I have noted on the scale what the scale reads in grains when the pan is set to zero and the 10g weight is placed in the pan. This makes it very fast to check.
Best of the cheap scales I have tried so far by a long shot.
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