In no circumstances get a cheap electronic scale without a method of checking it, I made that mistake. I started with a Hornady electronic scale and over some months it read more and more under. The result was instead of putting in 38 gr of 2208 I was putting 47+gr of 2208 through my No4 and that stetched the action from a no1 bolthead to a no2.
Now 38gr is the minimum and 45gr the max, if I'd had the standard load of about 42gr 2208 to get to 2440fps I would have been compressing 50~51gr! that could have been expensive if not nasty.
I would suggest the Lee beam scale as an addition even if you want the electronic one as a check (I think they are about $60).
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