Do not judge if you see a difference (you should see a difference between every target), you want to judge where you would “accept” the difference.
Your e-Factor is 1.
You are expecting an almost perfect match. If you are specifying automotive
paints, plastics, or textiles, a ΔE of 1 for expectations is appropriate, but not for
print. You can specify a ΔE of 1 for a drawdown of a spot color, on the exact
substrate that you are printing on, if you have qualified your instruments using
Instrument Inspector to an E-Factor of 0.2. Two measurement instruments (even
the same make and model) can easily have an E-Factor of greater than 1 (vary
by 1 ΔE), which means your tolerance is used up due to the inaccuracy of the
measurement devices. The only way to attempt to make this work is by using
ChromaChecker’s unique Instrument Harmonizer, which allows the software
to compensate for the differences between instruments. See details on using
ChromaChecker Instrument Harmonizer for greater insight.
Thank you for participating in our E-Factor Exercise, please take one minute to fill out our anonymous survey to advance our industry objectives.
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