The Density Determination Kit 128 is used for determining density of solids and liquids. It is designed to be used with Schuler Scientific Precision laboratory balances. The measurement method for the different phases follows: Solids (by measuring small samples);Liquids (by means of glass sinker with determined volume).Compatible with Schuler Scientific model SPS-363, SLB-203, SLB-403, SLB-503. Includes a 1 year warranty.