For more than 140 years, Tamson Instruments BV is providing laboratory equipment. Worldwide well-known is the TV4000 which is used for the determination of kinematic viscosity. Since 2010, Tamson is focused to supply total solutions for the petroleum-chemical industry, such as copper/silver corrosion, filter blocking tendency, sediment tests and density. Tamson manufactures these apparatus conform ASTM (or equivalent) test methods. Tamson supplies the apparatus together with the necessary accessories to perform the test. Tamson is worldwide known for its very stable and robust baths. Besides solutions for the petroleum-chemical industry, we also manufacture water baths and chillers for various applications.