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Old 07-12-2012, 09:18 PM
walnutred walnutred is online now
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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Default How much differance would you expect between scales?

I have a RCBS 510 that I've used for a LONG time. Last week the nylon set screw broke and RCBS send a replacement. Thank you RCBS. However in the mean time I borrowed a Dillon beam scale from a friend because I was working on loads.

When the replacement part arrived I decided to check the scales against each other and found a 0.2gn difference. Yes, I did use the same test weight when setting the scales up. The loads I was working on are 40 S&Ws consisting of 4.3 gns of W231. 180gn cast TC bullet, 1.125 OAL. Nothing pushing the envelope here. These loads are either 4.1/4.3 or 4.3/4.5 and I doubt I'll notice the difference at the range. Just thought it curious and wondered if anyone else checked their scales against each other.
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Old 07-12-2012, 09:50 PM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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Got a couple tenths between mine also. Not surprised.
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Old 07-12-2012, 11:08 PM
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How much differance would you expect between scales?  
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I truly doubt you will notice the difference of .2 grains in a 4.3 grain load ( less than 5%). I'm sure all scales vary somewhat.
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Old 07-13-2012, 05:43 AM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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If you're using the same check weight that is part of most scale packs, it weighs 50 grams.

50 grams is 771.62 grains.

What you are reading (if a 50 gram weight is being used) is 771.62 grains +/- .2 grains or a 0.00052% difference.

I don't think the 50 gram check weights are indicative of anything. The accuracy we need and a good check weight size is in the range of 0 - 50 grains or roughly 3.24 grams.

* I have an old set of Ohaus but these are similar:
http://www.midwayusa.com/product/612...ight-check-set

Last edited by blujax01; 07-13-2012 at 05:46 AM.
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Old 07-13-2012, 06:23 AM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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I have a couple, they are both older scales with no plastic parts. One is an Ohaus 505 the other is a Redding, they read the same, spot on.
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Old 07-13-2012, 10:28 AM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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Quote:
Originally Posted by blujax01 View Post

I don't think the 50 gram check weights are indicative of anything. The accuracy we need and a good check weight size is in the range of 0 - 50 grains or roughly 3.24 grams.

* I have an old set of Ohaus but these are similar:
Scale Weight Check Set

This ^^^^^^^. The set of actual check weights is the only way to weigh.

Zero you scale and then re check with a check weight close to your powder weight. I usually use the 5.0 gr. Readjust your scale to that weight.
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Old 07-13-2012, 11:27 AM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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I have a Lee PPM, a Lyman/Ohaus D5, and an RCBS 5-10. I reciently purchased a Jennings Mack 20 Digital scale and all 4 measure within .1 grain. With the beam scales the difference in the hash marks and lining them up will cause nearly .1 variation in itself...
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Old 07-13-2012, 03:46 PM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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That is about normal from what I've seen. I have check weights I can manipulate to check most loads. I use a balance beam and an electronic scale. I use them both to check that my powder drop is correct within those limits. The only other way is to trickle charge each round. I only do that for my 06.
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Old 07-13-2012, 03:50 PM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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Quote:
Originally Posted by Rule3 View Post
This ^^^^^^^. The set of actual check weights is the only way to weigh.
Dude, no way?!

Way!

Dude, way?

WAY!!

Dude...

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Old 07-13-2012, 07:37 PM
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How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales? How much differance would you expect between scales?  
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Yes Way!

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