• DSY-125A ENGINE OIL APPARENT VISCOSITY TESTER
• DSY-441 Air Release Properties Tester For Lubricating Oils
• DSY-016 Testerfor Foaming Characteristics of Lubricating Oils
• DSY-433 Water Separability Tester for Petroleum Oils and Synthetic Fluids
• DSY-026 Oxidation Stability Tester for Lubricating Oils
• DSY-020D Copper Strip Corrosion Tester
• DSY-119 Kinematic Viscosity TesteratLow Temperature
• DSY-201Z Automatic Flash Point Tester
• DSY-001B Cleveland Flash Pointand Fire Point Tester