On 9/1/11 3:46 PM, Scott Bogard wrote:
If a suit is going to be too costly, why not generic-ize (yeah not really a word) and just make shielding? Get some fluorescent tubes, and build various configurations to keep them from lighting up, a light meter borrowed from the photography dept could be used for measurements and show the least amount of material you can get away with for 100% light attenuation at various distances... This way you can try cheap crap that would kill you if used in a suit, and you can bring to light environmental issues about emf etc that will drive the judges crazy (in a good way...) How loose of a mesh can you go before the bulb lights up, how much emf is actually getting through, what does distance factor in??? Can you get non metallic materials to work, metallic paint, it seems in your quest to make a suit you are turning up a lot of fodder for what works as shielding...
I'd suggest that illuminating a fluorescent bulb, while visually impressive, does not make for a very quantitative measurement of field, even if you use a light meter.
Much better to do something like make a resistive phantom, and use a voltmeter or ammeter to make the measurements. Then you can relate your measurements to something like the ANSI/IEEE C95.1 limits for exposure to EM fields. You can get a cheap meter at Harbor Freight for <$10, and read it remotely with binoculars, etc.
Ultimately, most of the time is going to be consumed in the setup of the experiment, doing the different trials, fabricating the test samples, etc. So you might as well do the measurements in a way that is calibrateable in terms of well known standards.
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