Fitted with microprocessor based digital temp. Indicator-cum-controller with in-built hi/low temperature deviation alarm. Temperature range ambient to -20°C/-30°C/-40°C. Volume 4.0 cuft. Cooling coils are placed between foamed-in-place PUF insulation and inner side of SS chamber eliminating any chances of frost formation on the evaporator. High density foamed-in-place polyurethane foam (PUF) insulation for minimal cooling losses. Available Capacities 112ltrs., 171ltrs., 280ltrs., 340ltrs., 450ltrs.