Stainless steel Zahn viscosity cup designed for precision measurement of Newtonian/near-Newtonian fluids in coating, printing, and industrial applications. Compliant with ASTM D4212-93 standard. Available in 5 models (No.1-5) with varying nozzle diameters (2mm-5.28mm) to cover viscosity ranges from 5-1840 mm/s. Features 345mm total length and 44ml capacity with temperature control requirements (0.2C at 25C). Technical specifications include: - Model-specific flow time ranges (20-80 seconds) - Centipoise conversion capability - Precision-drilled stainless steel nozzles - Detailed maintenance guidelines for long-term accuracy Ideal for quality control in paint manufacturing, ink formulation, and industrial coating processes. Includes complete measurement protocol instructions for standardized viscosity testing procedures.