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How to build E-field sensor?

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dext0rb:
Hi!

I would like to experiment with generating extremely low-frequency E-Fields (1-10 Hz) by using some interdigitated electrodes. (IDE)
You know, those flat electrodes with the fingers and the spacings and whatnot.

I am looking to make fields in the range of 1 to 10 V/cm that extend .4 to 1 cm above/below the electrode.

How can I build/set up some equipment to create and test/verify these fields. I am not really familiar with doing this kind of electronics work.
Thanks for reading and any help.

SG-1:
Check out this link to Sci.Hobbist charge detector.

http://amasci.com/emotor/chargdet.html



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