Just remember, you can get grants to buy environmental monitoring instruments including light meters and temperature and relative humidity dataloggers and software. The IMLS and the NEH gives grants for museums and libraries for this all the time, along with funding experts to give staff training. With IMLS grants under $25,000 no match is required.

Cheers!
Dave

David Harvey
Principal Conservator & Museum Consultant
Los Angeles, CA USA
www.cityofangelsconservation.weebly.com

On Fri, May 18, 2018, 8:34 AM Don Cavness <[log in to unmask]> wrote:
Hi Marc,
Thanks for confirming what my own research has shown. UV is my major concern and the inexpensive meters just don't do the job. I've borrowed an ELSEC handheld light monitor from LYRASIS a couple of times, but we really need one of our own. However, $1,500 +/- is a tough nut.

Don

On Thu, May 17, 2018 at 6:38 PM, Marc A Williams <[log in to unmask]> wrote:
Absolutely!  Measuring visible light is fairly inexpensive.  But measuring UV light in a museum setting (needs to be in micro-watts per lumen) as opposed to sunburn meters is a different beast.  My Hanwell UV meter cost $1,700 for example, and there are not any that are suitable for much less than that.
 
Marc

Sent: Thursday, May 17, 2018 7:55 PM
Subject: Re: [MUSEUM-L] Light Meter

Plus, do you just want to know how strong the light is, or  do you want to know how strong the uv light is.  Makes a difference in the kind of meter you buy.   Al Noftz

On Thu, May 17, 2018 at 3:07 PM, Marc A Williams <[log in to unmask]> wrote:
Josh,
 
Recommendations depend partially upon what your intended need will be.  Are you just wanting general readings with sunlight/daylight involved, or are you wanting very precise readings inside a display case with sensitive objects?  Is the light natural daylight or incandescent or fluorescent?  I did an informal study of various inexpensive light meters and I can send you a copy if you email me directly at [log in to unmask].
 
Marc Williams
American Conservation Consortium, Ltd.

Sent: Thursday, May 17, 2018 12:51 PM
Subject: [MUSEUM-L] Light Meter

We are interested in possibly purchasing a light meter for our museum.  I am wondering if anyone has purchased one and has any feedback or recommendations?  I wonder if there are models that measure using different units, such as lux, lumens, footcandles, et cetera?  Thanks!

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