-40°C~-86°C ultra deep freezer DW-HL858 features fast refrigeration with the help of new generation refrigeration system. And it has the ability to keep temperature uniformity in the range of -10°C~-86°C in the cabinet. This ultra low temperature freezer adopts CFC-FREE mixture refrigerant technology, which can ensure high performance of the temperature and environmentally friendly.

Model	NB-HL678	NB-HL778	NB-HL858	NB-HL1008
Effective Volume(L)	678	778	858	1008
Rated Power(W)	1680	1750	1900	2000
External Dimensions(W*D*H,mm)	1090*1025*1955	1205*1025*1955	1217*1025*2005	1362*1025*2002
Internal Dimensions(W*D*H,mm)	750*696*1286	865*696*1286	877*696*1378	1022*696*1378
Net Weight(Kg)	330	380	390	430
Inventory Rack(Model & Quantity)	ZKL304-552B-CT:20	ZKL304-552B-CT:24	ZKL304-552B-CT:12+ ZKL304-552B-CT 12	ZKL304-552B-CT:14+ ZKL304-552B-CT 14
Inventory 2"Box (pc)	5*5*20=500	5*5*24=600	5*5*12+6*5*12=660	5*5*14+6*5*14=770
Inventory 2ml Vial (pc)	50000	60000	66000	77000
Rated Current (A)	7.5	7.5	8.5	9.3
Power Consumption (kWh/24h)	14.4	14.5	16.5	19.15
Shelves	3 pcs	3 pcs	3 pcs	3 pcs
Inner Doors	4 pcs	4 pcs	2 pcs	2 pcs
Performance
Temp.Range(°C)	-40 ~ -86	Ambient Temperature	16°C - 32°C
Cooling	Direct cooling	Evaportor	D-form copper tube
Data Output	USB	Defrost	Manual defrost
Alarm	Visual & Audio; High/low temperature alarm, power failure alarm, low battery alarm, door ajar alarm, filter blocking alarm, system failure alarm
Construction
Compressor	2 pc	Fan Motor	EBM
Compressor Brand	Secop (danfoss)	Inner Material	Galvanized steel sheet (optional Stainless steel)
Casters	4 casters with 2  leveling feet	External Material	High quality steel plates with spraying
Access Test Port	3 pcs	Sealing Material	MVQ
Door Lock	Yes	Display	Touch screen
Insulation  Thickness (mm)	130	Refrigerant	CFC-Free mixture gas
Insulation	VIP Plus vacuum  insulation panel	Climatic	N
Optional
Chart Recorder	Optional	Data Logger	USB
CO2 Back up System	Optional	Backup Battery	Yes

The six sides of the cabinet in the upright deep freezer are designed with high-efficiency VIP vacuum thermal insulation plate, which can improve the thermal insulation performance. And it has two-layer insulation foaming door with double seal, which can ensure the temperature uniformity in the cabinet of the ultra deep freezer. This ultra low temperature freezer comes with audible and visible alarm system, including high temperature alarm, low temperature alarm, sensor failure alarm, power failure alarm, door open alarm, low battery level alarm, and system failure alarm. And it features turn-on delay and stopping interval protection to ensure reliable operation.The door handle is designed in new-type assisting and pressure reducing valve, which can be opened and closed easily with one hand. The liner is designed with 304 stainless steel, which is low-temperature tolerant and corrosion-resistant, ensuring a long service life. And the universal caster and fixed foot under the ultra low temperature freezer are more convenient for movement and fixation.