using four independent freezers structure can make better sample grouping storage management and can enhance the safety and reliability of the sample; 
using full automatic operation mechanism design with a five-shaft automatic structure, can ensure a higher efficiency and more reliable operation.; 
advanced automatic lid opening design can lead to faster operation; 
vacuum and negative pressure sample pick-up mechanism design can secure more reliable operation and more convenient maintenance; 
high dryness dehumidification system can prevent frost in working area and frozen inside the storage area; 
special cryogenic protection pick-up device can ensure the little exposure of frozen sample; 
integrated two-dimensional code scanning system can realize high efficient sample information verification; 
comprehensive automatic transfer window design with the functions of automatic dehumidifying and automatic import and export can easily equip with advanced AGV system; 
installed with UPS can ensure uninterrupted operation;
introducing server to store the information can ensure more reliable and safety data storage; 
the intelligent BSN-Cyber operation system can be easy to use on both single and multiple modular;
embedded touch screen with obliquity display can have more convenient conversational interface; 
comprehensive system design for information feedback and abnormal alarm ensure all kinds of abnormal situation will not affect the safety of the sample; easy removable module design can realize emergency rapid transfer of samples.
Specification:
	
		
			| Item | 
			Specification | 
		
		
			| Model
			
			 | 
			BSN-500 | 
		
		
			| Storage Capacity | 
			50000(2.0ml Vials) | 
		
		
			| Dimension (mm) | 
			1700×2280×2420(Width×Depth×Height) | 
		
		
			| Weight (empty) | 
			2500KG | 
		
		
			| Weight (full capacity) | 
			2800KG | 
		
		
			| Power | 
			Standby:<500w,Max operating power:<2500w | 
		
		
			| Voltage | 
			220V,50Hz | 
		
		
			| Hose Interface (mm) | 
			Ø15mm | 
		
		
			| Touch Screen | 
			12 Inch | 
		
		
			| LN2 Evaporation Rate (L/day) | 
			20(Static) | 
		
		
			| Freezer hold time(≤130℃) | 
			≥48h | 
		
		
			| Storage Temperature | 
			≤-160℃ | 
		
		
			| Freezer Dimension (mm) * | 
			φ600*1470mmx4 | 
		
		
			| *BSN-500 has a special four freezers input design |