Date: Tue, 18 Jul 2000 13:37:28 -0400

Author: Machele Bailey

Subject: Re: light sensor

Post:

I'll keep this in mind...so far, everything is still in the planning
stages...haven't even gotten approval yet, so I was just gathering info! Thanks
bunches!

Chele

Jerry DiMarco wrote:

> Chele,
>
> Are you interested in a commercial unit such as a color meter from
> X-Rite (www.xrite.com)? I realize their stuff may bust your budget, but
> maybe a look at their site (or the links to other sites) may give you some
> ideas...
>
> Jerry
>
> At 09:28 AM 7/18/00 -0400, you wrote:
> >Budget: Cheap, of course
> >Accuracy: about 1-2% if its affordable
> >Mostly it needs to be able to handle the weather outside unless we decide to
> >build a light box. We will be testing a certain kind of rope and how light
> >affects it and trying to find out what region of the spectrum affects it the
> >most (we suspect UV). I'm beginning to lean towards the light box idea since
> >we're not worried so much about weather effects...
> >
> >Chele
> >
> >Brian Holton wrote:
> >
> >> Budget? Accuracy? There's some simple light intensity circuits using
> >> op-amps and simple photodiodes that are okay, but if you want 0.00001%
> >> results, well.... I know the photodiodes are good in IR and visible, have
> >> to check the UV. What range do you need? Night? more details would help
> >> me be able to tell you if such circuits would be useful to you or not.
> >>
> >> Brian Holton
> >>
> >> Machele Bailey wrote:
> >>
> >> > I may have a need for a light intensity sensor in the near future. I
> >> > want it to be durable (as in outside 24/7) and if it could split IR, UV
> >> > and visible, that'd be great. and, oh yeah, a computer interface might
> >> > be nice too. Any ideas?
> >> >
> >> > Chele
> >> >
> >> > --
> >> > Machele Bailey-----Lab Manager-----Wake Forest University
> >> >
> >> > -----"Nothing shocks me. I'm a scientist." - Indiana Jones-----
> >
> >--
> >Machele Bailey-----Lab Manager-----Wake Forest University
> >
> >-----"Nothing shocks me. I'm a scientist." - Indiana Jones-----
> >
> >

--
Machele Bailey-----Lab Manager-----Wake Forest University

-----"Nothing shocks me. I'm a scientist." - Indiana Jones-----

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