Technical parameters: Cooling performance Box center -86℃ (ambient temperature 32℃, no load) Temperature control range -40℃~-86℃ (ambient temperature 32℃, no load) Rated voltage AC220V,50Hz Rated power 955W Noise level 52dB[A] (background noise; 20dB) Overall dimensions W 979 x D 989 x H 1924(mm) Internal dimensions W600×D612×H1150(mm) Effective volume 398 liters Shell Painted steel plate Inner box Stainless steel plate Outer door Painted steel sheet Inner door Stainless steel plate, 2 doors Shelves 3 stainless steel shelves (adjustable) Capacity: 40 kg Inspection hole 30mm dia. Insulation Special rigid polyurethane foam filling Compressor hermetically sealed Evaporator Tubular plate type Condenser Copper tube fin type Refrigerant Mixed media Temperature controller Microcomputer control system Temperature display LCD touch screen Temperature sensor Platinum resistance (PT 100) Structure design: 1, the outer box is made of high-quality cold-rolled steel plate, the surface of which is treated with environmentally friendly vitrification and spraying process, and the inner box is made of international standard SUS304 stainless steel. Temperature control: 1, the use of 8-inch intelligent full-touch LCD screen, user operation is more convenient, to ensure ** stable operation; 2, accurate temperature control, accuracy of 0.1 ℃; 3, ** refrigeration layout, the temperature inside the box is stable within the range of -40 ℃ ~ -86 ℃;