Re: DTP-41 Calibration Certificate
Re: DTP-41 Calibration Certificate
- Subject: Re: DTP-41 Calibration Certificate
- From: email@hidden
- Date: Fri, 10 May 2002 10:57:47 EDT
In a message dated 5/10/02 12:16:57 AM, email@hidden writes:
>
Doesn't a spectrophotometer
>
have a set of 20 or so filters that are meant to only let through a
>
particular frequency? That probably wouldn't be 100% accurate to the
>
frequency though. So does the calibration card tell the spectro what light
>
is "actually" getting each filter? Do the filters and light source
>
deteriorate over time?
Thats a pretty good description of a colorimeter... but a spectro uses a
diffraction grating and a series of sensors instead.
C. David Tobie
Design Cooperative
email@hidden
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