I take 5 cases and use 650 Tempilac and use the timer on my cell phone. I take the average for all 5 and then write it down. I have a little book of annealing with all the times for each type of brass and caliber. It works perfectly. Then use a socket to hold the cases. I take a metal bowl and...
No need to weigh brass. It is a waste of time. Just uniform the necks and length as well as the primer pockets... not the flash hole and you will be fine!