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Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....Historytwo-pan balancebeambearingoscillatesmechanismBritannica Quiz
Fun Facts of Measurement & Mathequilibriumprecisiongramweightbuoyantdisplacementshysteresismeasurementcalibratingtorsion balancePierre CurieFritz PreglultramicrobalanceWestphal balanceanalytical balancemechanical balanceelectronic balanceSee all related contentSUBSCRIBE
Balances of the late 20th century were usually electronic and far more accurate than mechanical balances. A scanner measured the displacement of the pan holding the object to be weighed and, by means of an amplifier and possibly a computer, caused a current to be generated that returned the pan to its zero position. Measurements were read on a digital screen or printout. Electronic weighing systems not only measure total mass but also may determine such characteristicsAmy Tikkanen
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