Preci-Tech Weighing Systems manufactures Density Measurement Scale. Preci-Tech Weighing Systems is an ISO 9001-2000 certified company. The Density Measurement Scale operates on the Archimedes` principle and using the gravimetric measuring method. Density Measurement Scale features a kit which comprises of a glass vessel for the liquid, and a vessel support. It also comprises of a corrosion-free holder for floating or immersed solids and more. By simply changing the weighing pan of 100 series model scale, users can immediately determine the density of solids. The test results can be transferred to a computer, or printed out on a printer.