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Static charge-electricity detector

2017-08-17 11:42  
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The detector will sense static charges and free ions in the air. It can be used to indicate the presence of ion emission, high voltage, static electricity, and electrostatic fields. The ground can be an earth ground or a touching metal by your hand.
Static charge-electricity detector

The meter is 100uA range and R3 potentiometer is by controlling the sensitivity of the detector.

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