Small volume occupies small space The system has the function of digital temperature display and temperature inside the cabinet can be set within a range from -20℃ to -40℃ The high-precision microcomputer temperature control system and platinum resistor temperature sensors ensure more precise temperature control The compressor supplied by an international famous brand and EBM fan is energy-saving and environmentally friendly The refrigerating circuit with proprietary intellectual property rights ensures high efficiency and stability 3 drawers can be used for storage based on classification. The two-layer thermal insulating foamed door can prevent loss of refrigerating capacity in an effective way The cabinet is made from CFC-free polyurethane material, which can improve its heat insulating performance to a large extent The well-developed audible & visual alarm system makes it safer for storage The turn-on delay and stopping interval protection function can ensure reliability in running The keyboard lock function can prevent any adjustment of operating parameters without permission The door is equipped with a lock, improving security of sample storageSuitable for use in scientific research, cryogenic test on special materials, blood plasma cryopreservation, low temperature resistance test on biological materials, vaccines, biological products , etc. Suitable for use in research institutions, the electronic industry, the chemical industry, hospitals, the health & disease prevention system, laboratories in colleges & universities, etc.

Technical Parameters
Product Name	-20~-40℃ Ultra-low temperature freezer	Model	DW-FL90
Cabinet Type	Upright	Effective Capacity	90L
External Size (WDH)mm	700*640*1792	Internal Size(WDH)mm	500*485*532
N.W/G.W (Kgs)	54/59	Input Power (W)	367
Voltage	220V,50Hz /110V,60Hz / 220V,60Hz
Power Consumption (Kw.h/24hrs)	1.69	Rated Current (A)	1.68
Performance
Temp.Range(℃)	-20 ~ -40	Ambient Temperature(℃)	16 ~ 32
Ambient Humidity	20%-80%	Temp Accuracy	0.1℃
Defrost	Manual defrost
Alarm	Visual & Audio High/low temperature alarm,  sensor failure alarm, door ajar alarm
Construction
Refrigerant	R600a	Refrigeration System	Scope compressor + Germany EBM fan copper finned condenser
Insulation Material	Aluminum plate with spraying	External Material	PCM
Castors	4 castors and 2 leveling feet	Door Lock	Ergonomics padlock design
Access test Port	1pc	Shelves	3 ABS drawers
Display	Digital display	Temp Recorder	Stadard USB built-in data logger