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Features & Benefits

• In order to check your viscosity cup's calibration or to certify it for ISO purposes, it is imperative that you use viscosity standards.

• Standard oils have a specific drain time, dependent on the viscosity cup type (Ford, Shell, Zahn, etc), and the orifice or cup number used.

• To check the viscosity cup, simply use the standard viscosity oils in place of your liquid and measure the drain time.