NATURAL CONVECTION. MICROPROCESSOR CONTROL AND DIGITAL DISPLAY OF TEMPERATURE AND TIME. ADJUSTABLE TEMPERATURE FROM AMBIENT +5 °C TO 80 °C. STABILITY: ±0.1 °C, UP TO 37 °C. HOMOGENEITY: ±0.5 °C, UP TO 37 °C. SET ERROR: ±2% OF THE WORKING TEMPERATURE, RESOLUTION 0.1 °C INTERNAL TEMPERED GLASS DOOR. FEATURE: Microprocessor control and 4.3 inches TFT touch scre- en display. Large surface area heating elements. Inner chamber made of AISI 304 stainless steel. Double door, interior door of tempered glass that allows the user to see the contents of the chamber without opening the door. Adjustable air vent. Epoxy covered external case. STANDARD EQUIPMENT: For Part No. 2000238, 2 shelves and 4 shelf guides. For Part No. 2000239 and 2000240, 2 shelves.