capillary electrometer

capillary electrometer

[′kap·ə‚ ler·ē i‚lek′träm·əd·ər]
(engineering)
An electrometer designed to measure a small potential difference between mercury and an electrolytic solution in a capillary tube by measuring the effect of this potential difference on the surface tension between the liquids. Also known as Lippmann electrometer.
References in periodicals archive ?
He used a Lippmann capillary electrometer to make a continuous record on photosensitive paper.
At first, he improved the resolution of the capillary electrometer and then applied mathematical equations to 'correct' the recordings.

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