ELECTROMETER PHOTOS
This photo shows the electrometer PC board

Electrometer mounted in a plastic case. Meter is a surplus 100 microamp unit from an old satellite receiver.

Any suitable meter movement of your choice can be used

 
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NORTH COUNTRY RADIO
PO Box 200, Hartford NY 12838-0200
EMAIL: support@northcountryradio.com        Tel 518-854-9280      Internet http://www.northcountryradio.com