>> Quality, accuracy etc is very non critical. This is for doing some =20
>> very simple and low accuracy comparison tests so absolute =20
>> calibration is unimportant. A modicum of consistency between =20
>> readings would be nice.

Do they still make light meters for photography?  I guess most of =20
those are above the price range you'd like to see.   A really good =20
meter might be rentable from a photography rental equipment dealer.

I wonder if the autoexposure meters of relatively cheap digital =20
cameras (webcams, even?) could be coerced into delivering the relevant =20
info?

How about http://www.buy.com/prod/digital-handheld-lcd-lux-light-meter-lx-1=
010bs-protective-case/q/sellerid/16427119/loc/111/208081479.html=20
   ??

BillW

--=20
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