Re: Interesting monitor calibration discovery department
Re: Interesting monitor calibration discovery department
- Subject: Re: Interesting monitor calibration discovery department
- From: Graeme Gill <email@hidden>
- Date: Tue, 28 Jul 2009 22:52:59 +1000
Bob Frost wrote:
So yes, temperature increases affect the i1Pro both for monitor
profiling as pointed out by Roger and others, and for patch reading. I
haven't tested to see what happens to temperature when reading patches
in scanningmode.
There can be a temperature affect in the lamp on the i1pro, but it seems
fairly variable. Of the two i1pro's I have, the older one shows a noticeable
variation in lamp output with regard to how long it is on and overall lamp duty
cycle. This is reasonably accurately modelled as a thermal effect.
The newer one shows no such behaviour. My speculation is that perhaps
this is to do with lamp age. Note that the lamp is not involved in monitor
measurement, and it is likely to be sensor dark noise that is the cause
of variations in monitor readings (dark noise is very temperature dependent).
Graeme Gill.
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