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Joined: Nov 2002
Posts: 1,830
Campfire Regular
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OP
Campfire Regular
Joined: Nov 2002
Posts: 1,830 |
I start using the RCBS 750 electronic scale and I noticed one thing. When loading for a 223Rem and I start at 24.5gr for a 50g NBT and do the first round and put in the case. I notice the sale starts to show - 0.1 before placing the pan back on the scale. Often when the next round or two is poured in the case it the sale will show -0.2 and I have seen this go to -0.3.
My question is since I want exactly 24.5gr and the scale shows -0.2 prior to placing the pan on the scale, to I weight up to 24.7 "to compensate for the -0.2"?
I know I read that these scales can be a bit finky with lighting and the like. But I make sure no bright light is shining on the sale etc.
What do you guys do that use a electronic sale and see these symptoms? Reason for asking this is when starting at the start level with the scale showing -0.02 will that bring my start a bit lower?
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Joined: Nov 2008
Posts: 8,641
Campfire Outfitter
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Campfire Outfitter
Joined: Nov 2008
Posts: 8,641 |
I never drop from the measure directly to the pan.
Swifty
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Joined: Jan 2012
Posts: 252
Campfire Member
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Campfire Member
Joined: Jan 2012
Posts: 252 |
Just zero the scale and carry on. You should calibrate every time you fire it up with the check weights.
"Are you going to pull those pistols or whistle Dixie?"
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Joined: Apr 2009
Posts: 2,386
Campfire Regular
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Campfire Regular
Joined: Apr 2009
Posts: 2,386 |
I usually just test mine before each use by placing a 40gr BT then a 168 MK on the scale.If the numbers match I start loading.I always zero the scale before I start also. I do calibrate but not every time I use the scale.
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Joined: Nov 2002
Posts: 1,830
Campfire Regular
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OP
Campfire Regular
Joined: Nov 2002
Posts: 1,830 |
I got this working right. I think it was the florescent light that threw my Rangemaster off. I had a box covering the florescent lighting. I moved to another part of the basement that had a regular table lamp and was probably 2.5 to 3 ft away and its working now without decreasing weight after every loads. This scale is sure fincky but for me is much better than using the 5-0-5. I am going to have to try using the 5-0-5 and test with a range of weights and see which I like better but I think it is best to stay with something that you like to be consistent.
Last edited by valad; 12/25/14.
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