Re: Inter-Instrument agreement
Re: Inter-Instrument agreement
- Subject: Re: Inter-Instrument agreement
- From: Andrew Rodney <email@hidden>
- Date: Tue, 25 Feb 2014 12:21:41 -0700
http://www.xrite.com/product_overview.aspx?ID=1912&Action=support&SupportID=5586
Inter-instrument agreement: 0.4 ∆E94* average, 1.0 ∆E94* max. (deviation from X-Rite manufacturing standard at a temperature of 23ºC (73.4ºF) on 12 BCRA tiles (D50, 2º))
Short-term repeatability: 0.1 ∆E94* on white (D50,2°, mean of 10 measurements every 3 seconds on white)
Might be time for both sites to run the free i1Pro diagnostics.
Andrew Rodney
http://www.digitaldog.net/
On Feb 25, 2014, at 11:38 AM, Mike Stewart <email@hidden> wrote:
> Hello All: Is there some "rule of thumb" regarding spectrophotometers
> and inter-instrument agreement? A situation can and has appeared where
> we are using an I1Pro measuring the IdeAlliance colour bar. When we
> read the chart/bar and have the printer read the very same chart using
> the same brand of spectrophotometer, same Rev., same settings, same
> backing, etc. we get different readings. Readings where our proof may
> "Pass" and their measurements will generate a "fail". Obviously this
> is an issue. What can be done about it?
>
> Thanks
> Mike Stewart
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