Tamson Instruments

Tamson Instruments, based in the Netherlands, has been a trusted name in precision temperature control for over 65 years. Renowned worldwide for manufacturing exceptionally reliable and accurate viscosity baths, low-temperature circulators, and ASTM-compliant stability baths, Tamson sets the benchmark for kinematic viscosity testing under ASTM D445/D446, D2162, and related methods. Built with heavy-duty stainless steel, dual-redundant safety systems, and temperature uniformity often better than ±0.01 K, Tamson equipment is the preferred choice of ISO 17025 accredited laboratories, national metrology institutes, and leading petroleum companies. From standard TV series baths to custom multi-position systems, Tamson combines Dutch engineering excellence with unmatched longevity and global support—delivering the stability and precision that critical viscosity and density measurements demand.