Is an i1Pro Rev A worth purchasing? - AVS Forum
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post #1 of 20 Old 10-29-2013, 10:03 AM - Thread Starter
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I have an opportunity to purchase an i1Pro Rev A. It reportedly passes all diagnostics. What would be a fair price for this unit? $150?

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post #2 of 20 Old 10-29-2013, 12:16 PM
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That would be the maximum $ IMO..

Have the seller send you the results of the i1 Diagnostics, verify serial number and date of test.

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post #3 of 20 Old 10-29-2013, 01:35 PM
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Tom did comparison of a new I1Pro 2 and a D3 using his reference Jeti 1201. see link.
http://www.avsforum.com/t/1487208/colorimeters-and-spectrographs-questions/30#post_23780172

You may be better off getting a new D3 for now. If you find you like being a DIY calibrator then later on look for a good I1Pro 2 for profiling your D3.

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post #4 of 20 Old 10-29-2013, 02:52 PM
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Quote:
Originally Posted by sillysally View Post

Tom did comparison of a new I1Pro 2 and a D3 using his reference Jeti 1201. see link.
http://www.avsforum.com/t/1487208/colorimeters-and-spectrographs-questions/30#post_23780172

You may be better off getting a new D3 for now. If you find you like being a DIY calibrator then later on look for a good I1Pro 2 for profiling your D3.

ss

that data might not tell the full story, especially for LCD displays (CCFL or LED backlit)... since the samples used could greatly influence the results, there is just too much variation with LCD displays for any one table to be accurate 100% of the time

also, that data is not favorable for plasma owners, since the spectro easily outdid the D3's plasma table


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post #5 of 20 Old 10-29-2013, 04:49 PM
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Quote:
Originally Posted by sillysally View Post

Quote:
Originally Posted by PlasmaPZ80U View Post

that data might not tell the full story, especially for LCD displays (CCFL or LED backlit)... since the samples used could greatly influence the results, there is just too much variation with LCD displays for any one table to be accurate 100% of the time

also, that data is not favorable for plasma owners, since the spectro easily outdid the D3's plasma table

There is always that possibility

Let me ask you this, when you take WRGB readings what % of light output do you use. 75% maybe.
So lets say you use triplets at a very low light level, I would think the D3 will be the winner. Ideally what you want to use is a Good D3 and profile it with a Good I1Pro 2, or better still use a K10-A and profile it with a Jeti.

ss

that's what I do, profile my C6 to my i1Pro rev D


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post #6 of 20 Old 10-29-2013, 04:51 PM
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Quote:
Originally Posted by PlasmaPZ80U View Post

that data might not tell the full story, especially for LCD displays (CCFL or LED backlit)... since the samples used could greatly influence the results, there is just too much variation with LCD displays for any one table to be accurate 100% of the time

also, that data is not favorable for plasma owners, since the spectro easily outdid the D3's plasma table

There is always that possibility.

Let me ask you this, when you take WRGB readings what % of light output do you use. 75% maybe.
So lets say you use triplets at a very low light level, I would think the D3 will be the winner. Ideally what you want to use is a Good D3 and profile it with a Good I1Pro 2, or better still use a K10-A and profile it with a Jeti.

But I would think Tom would be able to explain better than me.

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post #7 of 20 Old 10-29-2013, 10:06 PM
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What's the difference between all the different 1i pro revs? I know the Rev D is the one to get but what about the others assuming they have been checked out by x-rite. Anyone know the advantages of each version vs the previous version?
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post #8 of 20 Old 10-30-2013, 09:47 AM - Thread Starter
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I have the i1Display Pro (i1D3). I was thinking about acquiring a spectro to profile the i1D3. In my research it appears that all revs are equally accurate, however the Rev A is about twice as slow as the Rev B and D. Because I will be using it for profiling, speed is not a real issue.

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post #9 of 20 Old 10-30-2013, 10:15 AM
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Quote:
Originally Posted by dschlic1 View Post

I have the i1Display Pro (i1D3). I was thinking about acquiring a spectro to profile the i1D3. In my research it appears that all revs are equally accurate, however the Rev A is about twice as slow as the Rev B and D. Because I will be using it for profiling, speed is not a real issue.

The accurancy between Rev A - B - D has remain the same. If the unit is not tested, it's performance is unknown. i1Diagnostics can't tell you enough informations about it's performance on Emissive measurements (for Displays).


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post #10 of 20 Old 10-30-2013, 10:17 AM
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Originally Posted by stryderlis View Post

What's the difference between all the different 1i pro revs? I know the Rev D is the one to get but what about the others assuming they have been checked out by x-rite. Anyone know the advantages of each version vs the previous version?

What are the differences between Rev A, B & D i1 Pro devices?

In April 2005, GretagMacbeth (now part of X-Rite) began shipping a revised version of the i1 Pro Spectrophotometer in all end user packages.

The Revision B instrument is much faster than the older Revision A instrument, yet there is no difference in accuracy between the two.

The Revision B instrument also has improved Teflon pads on the bottom to reduce paper scratching if you use the old style ruler.

In August 2006 Rev D was introduced, with changes made to the material content to comply with the Europe RoHS legislation.

Parts of the components were replaced with new materials to make them lead-free.

There was no change to performance in Rev D instruments; in terms of speed and accuracy they are the same as Rev B.

In order to clearly identify the i1 Pro devices in the field a new revision had to be introduced.

But the Rev. A i1PRO it's propably a 10 years old meter...


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post #11 of 20 Old 10-30-2013, 10:20 AM
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Cleaning the Eye-One

The Eye-One is a precision measurement device. To ensure proper functionality and a long life time it is required to store the Eye-One in a dust free and dry place.

If during the testing procedure you are requested to clean the white reference and the measurement head proceed as follows:

Unlock the measurement head by turning it clock wise and lift it carefully.

Clean the inserted glass plate on both sides using compressed air. Cans with compressed air can be purchased in any store for photographic supply. DO NOT try to blow away dust with your breath! DO NOT try to clean the glass plate with a cloth! To clean the white reference use a soft cloth with water and very little soap or alcohol. Dry the white reference carefully also using a soft cloth. Once dry use compressed air to remove dust from the white reference.

DO NOT use any scratching or aggressive detergents to clean the white reference. Usage of such detergents may cause damage to the white reference and your Eye-One might not work properly afterwards.


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post #12 of 20 Old 10-30-2013, 10:51 AM
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Is there no Rev C? I see you guys provided information for Rev A, B and D. So it looks like they just skipped C?
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post #13 of 20 Old 10-30-2013, 11:12 AM
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Originally Posted by ConnecTEDDD View Post

What are the differences between Rev A, B & D i1 Pro devices?
But the Rev. A i1PRO it's propably a 10 years old meter...

I believe Michael Chen has one and it's good (checked to his Jeti 1211).

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post #14 of 20 Old 10-30-2013, 11:22 AM
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which revisions does the i1pro2 come in?


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post #15 of 20 Old 10-30-2013, 11:57 AM
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only one, Rev E

Some specs for A - E: http://www.xrite.com/documents/literature/en/L7-518_i1PRO-i1PRO2_en.pdf

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post #16 of 20 Old 10-30-2013, 12:54 PM
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Quote:
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Quote:
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What are the differences between Rev A, B & D i1 Pro devices?
But the Rev. A i1PRO it's propably a 10 years old meter...

I believe Michael Chen has one and it's good (checked to his Jeti 1211).

Yes, but Michael knows how+where to store it.


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post #17 of 20 Old 10-30-2013, 06:59 PM
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Quote:
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I believe Michael Chen has one and it's good (checked to his Jeti 1211).

isn't his an i1 beamer? also, I think he mentioned it was a bit off in measuring absolute light output (in his colorimeter tables article)


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post #18 of 20 Old 10-30-2013, 09:47 PM
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Greetings

Yes, it is a beamer ... and the light output reading is always lower than what the other meters read. That part is irrelevant in the calibration process of course since we don't shoot for light output targets. smile.gif

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post #19 of 20 Old 10-31-2013, 08:39 AM
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Michael, I can't find your related posts, how old is it?

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post #20 of 20 Old 10-31-2013, 10:47 AM
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Greetings

2002 time frame ... got it with colorfacts ... boy that was an eternity ago.

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