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Tube/Valve type electrometer schematic

Hi,

I'm looking for a schematic for a simple electrometer for detecting electrostatic fields.

I am particularly interested in playing around with static charge and static dissipative effect of different air-ioniser designs. I am thinking a FET based electrometer is probably very easily fried in this environment

I have some old electrometer tubes, still in their original packaging, how hard would it be to construct a basic instrument, it doesn't need to be calibrated but I would like to be able measure both positive and negatively charged plates.

If electrometer tubes are also easily destroyed by excessive voltage - I'll stop messing with them and use a FET or dedicated IC and try harder not to blow it up!

Thanks in advance,

Philip

Reply to
Electric dabbler
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Google for 'Field Mill' - may give you some ideas

Dave

Electric dabbler wrote:

Reply to
Dave

"Electric dabbler" wrote in news: snipped-for-privacy@bt.com:

Look for older Keithley electrometer manuals;600 series,IIRC.

--
Jim Yanik
jyanik
at
kua.net
Reply to
Jim Yanik

Hi Dave,

Many thanks for the tip, this is just what I'm looking for :

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Philip

Reply to
Electric dabbler

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