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 Bellwether Specific Gravity Hydrometers listed are calibrated at 60°F/ 60°F.
VEEGEE Model No : 6602-0,6602-1,6602-2,6602-3,6602-4,6602-5,6602-6,6602-7,6602-8,6602-9,6602-10,6602-11,6602-12,6602-13,6602-14,6602-15,6602-16,6602-17,6602-18,6602-19,6602-20,6602-21
