A hydrometer is an instrument used to measure the specific gravity or relative density of liquids. The ratio of the density of a particular liquid is measured by its relationship to the density of water. The hydrometer is designed to be placed into the liquid filled hydrometer jar. Heavy liquids: 1.0-2.0 in .01 divisions, overall length 11-3/4"; .02Ib
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Hydrometers – Heavy Liquids
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