Fisher 11-583-D Hydrometer (WL64-2) is a precision instrument used to determine the specific gravity or density of liquids through direct density measurements. It provides quick, single-parameter readings that support concentration assessment and basic quality control in laboratory workflows. Identified by the 11-583-D model code with the WL64-2 variant, this Fisher hydrometer is part of the brand’s established line of liquid-density measurement tools.
