The Zeitfuchs Transparent Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Filling, measurement and cleaning do not require removal from the constant temperature bath. Minimum sample volume is 15 mL. Minimum bath depth is 292 mm (11.5 in). Both calibrated and uncalibrated viscometers are available and provided with permanently attached round or rectangular metal holders. Calibrated viscometers also include a certificate of calibration and instruction sheet.