Hydrometer with 3 scales
The ideal hydrometer for all wine and beermakers. With 3 coloured scales: density, sugar content and potential alcohol degree.
Range: 0.990-1.170 S.G. 0-360 g/l sugar. 0-20 % vol. pot. alcohol content. Large accurate model. Length: 26 cm. Needs a 200 ml measuring cylinder.
Glass hydrometers follow the ‘principle of Archimedes’: Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.
The gram is the mass of 1 cubic centimeter (1 cc or 1 ml) of pure water. There are a few units used for sugar measurement that have a direct relation with a weight unit. Other units however have a connection with the density or specific gravity. The specific gravity is the weight per unit of volume (g/cm³). The specific gravity of pure water is 1 g/cm³. The s.g. of water is 1 (1.000).
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