Poulten Selfe & Lee
www.psl-rheotek.comPoulten Selfe and Lee specialises in Dilute Solution viscosity using Glass Capillary Viscometers. The Company has been manufacturing PSL branded glass capillary viscometers for over 100 years. Main product groups are automated glass capillary viscometer systems (under the Rheotek name), Temperature Control Viscometer Baths, Solid State circulating chillers, Temperature Calibration of Digital Thermometers (ISO17025) as well as Viscosity reference Materials (ISO17034).