Measuring system consisting of bob B-CC12 and cup C-CC12 for measurement according to ISO 3219 and DIN 53019-1. The stainless steel measuring bob is equipped with Toolmaster and magnetic coupling. A stainless steel hook connects the spindle body of the bob to the magnetic coupling. The cup consists of an anodized aluminum wall, a PEEK bottom plug and an FKM O-ring which seals the gap between wall and bottom. Requires holder for cup, either DIN Adapter item NC1818345 or PTD 80 item NC1818588Suitable for use with Anton Paar rotational viscometers ViscoQC 100 – L item NC1818559, ViscoQC 100 – R item NC1818567, ViscoQC 100 – H item NC1818569, ViscoQC 300 – L item NC1818572, ViscoQC 300 – R item NC1818576, ViscoQC 300 – H item NC1818578.