Model	Capacity	External size. (WxDxH) mm	Temp. range	Input power	Weight (N.t / G.t)
NB-HL340 CE	340 L	870x730x1984	-10℃~-86℃	1500W/750W	300KG
NB-HL540 CE	540 L	918×840×1984	-10℃~-86℃	2250W/1550W	330kg

Vertical, double doors for upper and lower rooms. Stainless steel inner tank, painted steel plate, 4 casters, easy to carry Front opening lockable door with full height handle, with vacuum release port Adjustable 1 stainless steel shelf, each room has an inner door, sealed with double silicon gaskets. Secondary foaming technology. 110mm foam insulation, VIP+. With temperature printer, record 7 days of data. The 72-hour backup battery is used for the printer and controller display. Optional: chart recorder, carbon dioxide backup system, storage rack/box, remote alarm system.Dual refrigeration system supports different rooms independently. If one system is damaged, the other can work normally. Imported Danfoss compressor and EBM fan motor. Mixed refrigerant Chinese patented technology, composed of R134a, R404a, R23, R410A, N2, etc., without CFC Certificate: ISO9001, ISO14001, ISO13485