How Does A Hydrometer Measure Sugar Content. A hydrometer is made with a calibrated glass tube. Determining the concentration of sugar(s) in a soft drink on the basis of density 4 using a hydrometer 2.
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Place the hydrometer in the hydrometer jar containing the u n known. The triple scale hydrometer is the basic. A tool called a hydrometer is used to measure the specific gravity, referred to as sg, of the wine, which tells the wine maker how much sugar is in the wine.