Fisher Scientific I903CA Lab Heating Cooling, -50 to -86C Temp, 255 L Capacity

The Fisher Scientific I903CA is an ultralow temperature chest freezer, providing a temperature range of -50°C to -86°C. It features a capacity of 9 cubic feet (255 liters) and utilizes a cascade refrigeration system with two 1 HP hermetic compressors. The system employs HCFC-free refrigerants (R-404A/R-508B). Thermal insulation consists of 5 inches (12.7 cm) of foamed-in-place, non-CFC, high-density urethane foam. External dimensions measure 76.5 inches (194.3 cm) in length, 30.5 inches (77.5 cm) in width, and 40.5 inches (102.9 cm) in height. Internal dimensions are 56.5 inches (143.5 cm) long, 18 inches (45.7 cm) wide, and 25.5 inches (64.8 cm) high. Power requirements are 208-230V, 60Hz, single-phase, drawing 12 FLA. The unit incorporates microprocessor control with a digital display and includes a 1-inch diameter access port, alongside high/low temperature, power failure, and door ajar alarm functions.