Forum Topic: http://www.eevblog.com/forum/blog-specific/eevblog-307-lab-lighting-measurement/
Light Meter:
http://www.amazon.com/gp/product/B0062V76N0/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B0062V76N0&linkCode=as2&tag=ee04-20
Some lux light measurements in the EEVblog Lab
And bonus measurement of some fluorescent light circuit currents using the I-Prober
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