The Grant Optima™ TX150 is a high-performance programmable digital heating circulator with an exceptionally simple user interface. This allows fast set-up of multiple parameters through a powerful menu system and provides sophisticated control for temperature-controlled applications in the range of -50 to 150ºC. The unit includes a powerful heater for fast heat-up, a powerful integral pump for circulating temperature controlled fluid around external apparatus, and memory capacity for one program of 30 segments.