On Fri, Mar 6, 2009 at 2:11 PM, <howdy555@xxxxxxxxx> wrote: > I was not referring to inaccuracy of the instrument (which is obvious) > but rather to erroneous reading - once in about 10 measurements you > get a result which is plainly wrong. This might be the reason of > getting unsatisfactory results with the calibration (obviously the #1 > reason is the cra**y Hyundai N220W LCD monitor I have :) ). Using > original code I get error of about DE=17.... I will not present the > results from mine as I need to test it further (so far the result is > so bad I do not believe a single bit of it: DE=3970 (yes, that is > three thousand nine hundred and seventy) - I suspect that I have made > a mistake at placing the sensor - no monitor in the world is THAT bad > :). I think I remember that you writed earlier that your colormeter gave you strange results, and I suspect that was with manufactures software. So maybe you should compare it to another device if you have the possibility? These results don’t look very good. Lars Tore