Viscometer^ Ubbelohde Viscometer, with a more rugged design than standard Ubbelohde viscometers, measures kinematic viscosity of transparent liquids according to ASTM D445 and ISO 3104. Min sample vol: 11 mL. Min bath depth: 10 in. Size 25. Constant 0.0002 cSt/s. Viscosity range 0.5 - 2 cSt.