Fluorine-free refrigerant, international brand compressor, and EBM fan, ensures fast cooling and energy-saving.

Model	NB-FL439
Capacity(L）	439
Internal Size(W*D*H)mm	650*560*1305
External Size(W*D*H)mm	910*755*1945
NW/GW(Kgs)	175/200
Power Supply(V/HZ)	220/50
Temperature Range	-20～-40℃
Ambient Temperature	16-32℃
Cooling Performance	-40℃
Climate Class	N
Controller	Microprocessor
Display	Digital display
Defrost Mode	Manual
Refrigerant	R507
External Material	Carbon steel spraying
Inner Material	Stainless steel
Shelves	14(ABS)
Door Lock with Key	Yes
External Lock	Yes
Access Port	1pc. Ø 25 mm
Data Logging/Interval/Recording Time	USB/Record every 10 minute / 2 years
Backup Battery	Yes

High-precision microcomputer temperature control system with build-in control/alarm sensors for High/low temperature, ambient temperature and evaporator temperature etc. ensuring the safe and stable running.Equipped with DC/DC power management module which greatly improved the  energy-saving efficiency; high precision voltage control ensures the stable performance  for the whole machine. Less redundant heat to eliminate the overheating safety hazard. High-quality steel plate structure, anti-corrosion phosphating spray, ABS drawers Low noise design, creating a comfortable working environmentHigh-precision microcomputer temperature control system with build-in control/alarm sensors for High/low temperature, ambient temperature and evaporator temperature etc. ensuring the safe and stable running 1 inch high brightness digital temperature display with 0.1℃display precision; the temperature can be set freely within the range of -20℃~-40℃ Equipped with SECOP high-efficiency compressor and international EBM fan, ensuring energy saving and silent running Perfect audible and visual alarm system makes it safer for storage. Equipped with alarm functions including high/low temperature alarm, high ambient alarm, sensor failure alarm, door opening alarm, power failure alarm, etc. Buzzer alarm for the door opening more than 1 minute, alarm automatically muted when the door is closed Specially equipped with external door handle and padlock to prevent unauthorized opening The interior is equipped with 7 layers of 14 ABS drawers, 2 for each layer, which is convenient   for object storage Standard 485 port, remote alarm port 2 leveling feet located at the front bottom, 4 castors for the front and back