Brief introduction: This product is suitable for cryogenic freezing test of materials. Use fully enclosed units, reasonable matching, fast cooling speed; The box is a horizontal structure; The box body adopts the polyurethane overall insulation layer, which has good insulation performance. The inner lining of box adopts board, which has good cooling conductivity and beautiful shape. This product is equipped with a computer thermostat that automatically controls the temperature inside the box. Digital display of box temperature, high temperature control accuracy, easy to operate. Electronic control system with box temperature tracking display, code light alarm display function. Compressor running smooth, low noise, comfortable working environment. Product parameters: Size of workshop (mm) : 470*490*425(long x deep x wide) Size (mm) : 590*800*600(length * depth * width) Pieces. Temperature range: 0-40 ° is adjustable Pieces. Temperature volatility: plus or minus 2 ° C or less Temperature uniformity Total volume: 115L Input power: 550W Refrigerant and filling: R404a, 100g; Net weight: 70kg .electricity consumption: 6kWh/24h Noise: not greater than 72dB(A) Pieces. Alarm temperature: box temperature 5 ℃ temperature above or below the set temperature C, computer display light thermostat automatically send alarm. Boxes and equipment: S. Housing External materials: 1.2mm cold steel sheet baking Inner box material: board material; Rigid polyurethane foam Testing equipment The product is equipped with a computer thermostat, which automatically controls the temperature and humidity in the box. Box temperature digital display, high temperature control accuracy, easy to operate temperature and time can be freely set Refrigeration and control system Air cooling of refrigerator: fully enclosed compressor unit A. cold media: R404A Evaporator multi - segment radiator cooler Temperature sensor :PT100 type thermistor (dry bulb) Yes. The electronic control system is equipped with box temperature tracking display, code light alarm display function.