Specific Gravity, also known as relative density, is the ratio of the mass of a solid or liquid to the mass of an equal volume of distilled water. The standard temperature of calibration in the U .S. is 60°F/ 60°F. All VEE GEE® Specific Gravity Hydrometers listed are calibrated at 60°F/ 60°F.
VEEGEE Model No : 6603DS-1,6603DS-2,6603DS-3,6603DS-4,6603DS-5,6603DS-6,6603DS-7,6603DS-13
