A hydrometer in plain form measures specific gravity/relative density (g/cm³) of liquids lighter than water. It has a length of 6.5" (165 mm) with a measuring range of 0.890 to 1.000 and accuracy of ±0.002.
A hydrometer in plain form measures specific gravity/relative density (g/cm³) of liquids lighter than water. It has a length of 6.5" (165 mm) with a measuring range of 0.890 to 1.000 and accuracy of ±0.002.