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Netphilosopher
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Posted Tue Nov 13, 2012, 2:23pm
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jpender
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Posted Tue Nov 13, 2012, 7:32pm
Subject: Re: Grinder Assessment Using Sieves
 

It would be interesting to see the raw data.

How well are you "kinda" getting "approximately" 50% pass through with those small samples?
Could it be the signal is getting lost in the noise?
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jbviau
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Posted Tue Nov 13, 2012, 8:10pm
Subject: Re: Grinder Assessment Using Sieves
 

So as not to reinvent the wheel: Click Here (www.orphanespresso.com)
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Netphilosopher
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Posted Wed Nov 14, 2012, 6:45am
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Netphilosopher
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Posted Wed Nov 14, 2012, 6:51am
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jbviau
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Posted Wed Nov 14, 2012, 8:56am
Subject: Re: Grinder Assessment Using Sieves
 

This should be fun. I have a Fisher 850-micron sieve, too--wrote about it here a while back (with pics).

Netphilosopher Said:

I think that 30 seconds isn't enough vibration. I think on MPE Chicago's site, they mention requiring a 5-minute vibration. Just shaking 5g samples until the resulting amount in the pan stabilized took several minutes.

Posted November 14, 2012 link

Did you really achieve "stabilization," as you said? In my limited experience sieving I found that the more I shook the more coffee passed through the sieve (hence the need for a more consistent method of agitation), but then again I never went at it for more than a minute.
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Netphilosopher
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Posted Wed Nov 14, 2012, 10:17am
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Netphilosopher
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Posted Wed Nov 14, 2012, 12:15pm
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Netphilosopher
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Posted Wed Nov 14, 2012, 12:17pm
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Netphilosopher
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Posted Wed Nov 14, 2012, 12:20pm
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