The Grant Optima™ TXF200 series of digitally controlled refrigerated circulating baths provides outstanding performance for routine and sophisticated applications requiring accurate temperature control in the range of -47 to 100°C. Grant TXF200 series refrigerated systems combine the powerful and versatile Grant Optima™ digital heating circulator TXF200 with a choice of five rugged stainless steel refrigeration units with different facilities and working volumes. The TXF200 heating circulator incorporates Intelligent Control OptimisationTM (ICO) for adaptive intelligent PID temperature control and includes a powerful integral pump, making TXF200 series refrigerated systems suitable both for immersing samples and circulating temperature controlled fluid to external devices. The temperature range and heater power are automatically limited according to the liquid type selected.