
This automatic kinematic viscometer determines kinematic viscosity, viscosity number, and limiting viscosity number of oils and polymers in dilute solution. It is widely used in pharmaceutics, petroleum, chemistry, scientific research, and metrology.

This lubricating grease dropping point tester determines the temperature at which grease liquefies under specified conditions. It is designed with dual chambers for simultaneous testing, ensuring accuracy in quality control and research within the lubricant industry.

This automatic acid number analyzer meets the requirements of GB/T264 for determining acid numbers in petroleum products. The analyzer features an LCD screen, prompt menu, and automatic data printing.