what is th working principles of hydrometer and areometere
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The hydrometer is based on
Archimedes' principle .
The level at which the hydrometer floats depends only on the density of the liquid. Hence this level can be used to measure both the density and the specific gravity, which is proportional to it.
An areometer is a self-contained glass tube, immersing the deeper into a liquid, the lower the specific gravity, respectively density, of this liquid is.
The hydrometer is based on
Archimedes' principle .
The level at which the hydrometer floats depends only on the density of the liquid. Hence this level can be used to measure both the density and the specific gravity, which is proportional to it.
An areometer is a self-contained glass tube, immersing the deeper into a liquid, the lower the specific gravity, respectively density, of this liquid is.
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