The Grant Optima™ GP200 series of digitally controlled refrigerated baths and re-circulators provides outstanding performance for routine and sophisticated applications requiring accurate temperature control in the range of -47 to 100°C.  
  
Grant GP200 series refrigerated systems combine the powerful and versatile Grant Optima™ digital immersion thermostat GP200 with a choice of five rugged stainless steel refrigeration units with different facilities and working volumes.  
  
The GP200 immersion thermostat incorporates Intelligent Control Optimisation™ (ICO) for adaptive intelligent PID temperature control and includes a powerful integral pump, making GP200 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.  
  
The GP200 control unit has a host of powerful and convenient programming features for optimum application flexibility. These include a convenient heater timer for early starts/late shutdowns, two programmable relays for switching external devices on/off, option for remote temperature monitoring, RS232 interface for PC communication and data collection, and memory capacity for five programs of up to 30 segments each.