Kibble balance

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

A Kibble balance (also formerly known as a watt balance) is an electromechanical measuring instrument that measures the weight of a test object very precisely by the electric current and voltage needed to produce a compensating force.

Excerpt from the Wikipedia article “Kibble balance”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Photo by Richard Steiner (The original uploader was Greg L at English Wikipedia.), CC BY-SA 3.0, via Wikimedia Commons.