Tamson TC16 Circulator Bath. The Tamson TC16 is an excellent solution for both internal and external temperature control with a working range from ambient up to +250°C. The TC16 has an insulated stainless steel bath tank with a volume of 16 L. The robust TC16 is equipped with a cooling coil for counter cooling. The pump can easily be switched between internal and external circulation. The maintenance-free TC16 provides a very precise temperature control of ± 0.02°C. 115v.