Viscometer U Tube Reverse Flow

The U-Tube Reverse Flow Viscometer is specifically engineered for the measurement of kinematic viscosity in opaque or dark Newtonian liquids, where conventional timing based on visual flow is impractical. Compliant with BS/IP/RF and ASTM D446 specifications, this viscometer features a reverse flow design that enables the timing of flow in the return leg, where improved visibility or detection methods may be applied.

Constructed from chemically resistant borosilicate glass, this viscometer includes a calibrated capillary and precisely spaced timing marks suitable for use in temperature-controlled baths. The reverse flow configuration facilitates accurate and repeatable viscosity measurements of opaque oils, emulsions, and other industrial liquids in research, petrochemical, and quality control environments.