Master Viscometers

PSLRheotek Master Ubbelohde Viscometers. These may be supplied as a viscometer scale stepped up from the primary standard of water. Alternatively, individual sizes of Master Viscometers can be supplied calibrated against reference (master) viscometers scale held at the PSL Laboratory. Calibrated in accordance with ASTM D2162. The use of Master Viscometers requires dedicated holders and a constant temperature viscometer bath with extra depth.