The environmentally friendly Freon-free refrigerant and high-efficiency enclosed compressor supplied by a famous brand can ensure energy saving and low noise. The condenser installed on the bottom ensures temperature stability and system reliability. 

Technical Parameters
Product Name	Ultra-low temperature freezer	Model	DW-FL270
Cabinet Type	Upright	Effective Capacity	270L
External Size (WDH)mm	700*640*1792	Internal Size(WDH)mm	500*460*1235
N.W/G.W (Kgs)	90/98	Input Power (W)	575
Voltage	220V,50Hz /110V,60Hz / 220V,60Hz
Power Consumption (Kw.h/24hrs)	2.86	Rated Current (A)	1.81
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	R290	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	7 ABS drawers
Display	Digital display	Temp Recorder	Stadard USB built-in data logger

The high-precision computerized temperature control system ensures an adjustable temperature within a range from -20 to -40℃ inside the cabinet. The well-developed audible & visual alarm system (sensor failure alarm, high temperature/low temperature alarm, etc.) makes it safer for storage. The turn-on delay and stopping interval protection function can ensure reliability in running; The built-in door gasket is dustproof and easy to clean. And it is equipped with ABS engineering plastic liner. The adjustable front screws facilitate easy movement. The system has the function of digital temperature display and temperature inside the cabinet can be set within a range from -10℃ to -25℃ 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 Seven transparent 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.