Re: UV Filter - DTP70
Re: UV Filter - DTP70
- Subject: Re: UV Filter - DTP70
- From: RaymondCheydleur <email@hidden>
- Date: Tue, 31 Jul 2007 09:02:49 -0400
- Thread-topic: UV Filter - DTP70
IMHO you are both right! It's very tough to satisfy all users when you are
dealing with a technical product. Scientific users demand wording according
to the specifications (UV included/excluded) "Regular" users want a simple
explanation... (UV Filter, no filter).
However when you are in a mixed environment of users the simple explanation
gets complex! A few years ago at an IPA event the form submitted for
measurement had check boxes: ___UV ___No UV Very friendly,
unfortunately also very confusing. Measurements with UV or no UV or is that
with a UV filter, or without a UV filter...
Later versions of the DTP70 manual available on the web specifically include
both the technical terms and parenthetically (UV filter not in use) and
(UV filter in use)
If you don't know what included and excluded mean the web can help there as
well. There has been a help desk article posted on the X-rite web site for 3
years that should help any user (and lets not start a debate on the last
paragraph :-))
http://www.xrite.com/product_overview.aspx?ID=674&Action=Support&SupportID=3
152
-------
UV Included and excluded
The X-Rite DTP70 contains an Ultra Violet (UV) filter that can be moved into
the optical path of the instrument. When this is done the filter blocks
(excludes) UV energy from the measurement.
UV excluded therefore means the filter is being used.
UV included means that the filter is not being used.
It is often desirable to exclude the UV potion of the spectrum when
measuring profiling targets printed on substrates containing optical
brighteners. The DTP70 is shipped from X-Rite with the filter in the
included position. See related support articles on the left to learn how to
move the filter into or out of the optical path.
--------
Thank you,
RayC
Ray Cheydleur
OEM Technical Manager
X-rite Incorporated
<snip>
>
> In a message dated 7/30/07 10:23 PM, Graeme Gill wrote:
>
>> Sorry, but I think it's you lot that are being perverse in
>> wanting to name it after the mechanism used, thereby leaving
>> yourselves a mental inversion step every time you want to
>> understand what effect there is on the reading.
>
> Marco Ugolini:
> In my own opinion, Graeme, there is a user side and a technology /
> manufacturer's side to the tools we use in our work. My natural inclination
> is to side with the user, because I'm one too.
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