The HTHS Series II is a precision multicell capillary viscometer designed for accurate viscosity testing of engine oils under high-temperature, high-shear conditions.

Engineered for simplicity and reliability, it meets all requirements and precision specifications of ASTM D5481 and SAE J300, making it ideal for both research and quality control environments. Its advanced design ensures consistent, repeatable results for oils used in demanding applications, including synthetic and performance formulations. Whether you’re testing for compliance or optimizing formulations, the HTHS Series II delivers trusted performance with minimal operator effort.