Grant T100 series systems offer a choice three economy plastic (P) tanks or five stainless steel (ST) tanks with different capacities combined with the Grant Optima™ T100 digital thermostat for accurate temperature control. The Grant T100 immersion thermostat incorporates Intelligent Control Optimisation™(ICO) for adaptive intelligent PID temperature control. Simple-to-use rotor dial and two function keys for quick temperature setting and menu navigation Clear 4 digit display for instant reassurance - easy to read from a distance Visual alarm - alerts you when your attention is required Excellent temperature stability and uniformity Operating setpoint plus 3 adjustable preset temperatures for convenience User calibration facility for optimum accuracy at the required operating temperature Low liquid protection and overtemperature cut-out Cooling/heating range: ambient +5 to 99¬∫C with plastic (P) tank, or 0* to 100¬∫C with stainless steel (S) tank Stability ¬± 0.05¬∫C * operation at or below ambient temperature requires accessory cooling