The BIT natural convection incubators is ideal for delicate samples as it heats using low air turbulence. Users can use the PID control to preset 7 periods and 9 steps for a total of 63 programs. Temperature, time and heating rate can be set and programmed at the same time. The doors are engineered with airtight sealing and inner chambers are designed with corrosion resistant stainless steel. Safety alarms are installed for – overtemperature, over current protection, and temperature deviation. Customers can select from a wide volume range from 16 liters to 222 liters.