I use the Hornady auto powder dispenser that has the digital scales on it.
So far my RCBS beam scale has agreed with the digital 100% of the time.
So far my RCBS beam scale has agreed with the digital 100% of the time.
it sounds like for what you are doing a balance beam or the frankford would be fine. you mainly need one to get your powder measure dialed in and then for occasional sanity checks... I used the frankford for a while to weigh bullets. it seemed pretty accurate. it always registered calibration weights within +-.1gr
Just remember the auto disk is really only consistent when used with ball or flake powder and it is only as consistent as you are... my auto disk would shift .4-.5gr heavy when i rotated the turret on my lee press vs just dumping powder and never moving the turret... so whatever process you use to dial it in, repeat that process every time.
This is true of any meter. They don't actually "weigh" the charge, they allow the powder to flow into a known volume. Thus, if you tap or jar the meter while the powder flow is open, the charge will settle and you will end up with a larger weight charge than anticipated.
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