My question is: How we can explain the customer that they will need to change the lamp every one or two years when with the old instrument (ColorQuest XE) they changed the lamp after 5 or 6 years and as you know the customer will claim for that and we want to had the correct answer for it.
This customer has a UltraScan VIs not a ColorQuest XE. They CANNOT expect them to behave the same. The ColorQuest XE wavelength resolution was 2.34 nm/pixel,; the UltraScan Vis wavelength resolution is 1.64 nm/pixel - a 40% improvement. To achieve this improvement the polytube is larger to accommodate a bigger dual detector array. This requires more light so a larger amount of energy (30% more) is used to flash the lamp, i.e. 4.8 Joules compared to 3.75 joules. This results in decreased lamp life.
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