Cheap Lab Equipment Biological Class II A2 Biosafety Cabinets
Class II A2 Biosafety Cabinets Features:
◆ Soft touch control panel,
◆ LCD Display
◆ UV lamp for sterilization
◆ Stable air flow system,
◆ provide firm protection topersonal and environment
◆ Energy-saving, highefficiency, low noise
◆ One piece 304 stainlesssteel work table, easy for cleaning
◆ Split structure, cabinet and bracket can be separated.
◆ Using a unique wind speed sensor, real-time wind speed measurement, accurate and rapid display.
◆ Adopt German imported fan, with low noise and large air volume.
| Model | BHC-1300A2 |
| Clean Grade | HEPA:ISO 5 calss ( Class100 ) |
| ULPA:ISO 4 Class ( Class10 ) |
| HEPA Filter | HEPA:≥99.995% , @0.3μm |
| ULPA:≥99.999% , @0.12μm |
| Air tightness | 99.99≤E≤99.999 |
| Overall Dimensions | 1500×750×1950
mm |
| Working Space | 1300×650×580
mm |
| Inside of the door | 0.38±0.025m/s |
| Front inflow air | 0.48±0.025m/s |
The working principle of Class II A2 Biosafety Cabinets:
The working principle of the biological safety cabinet is mainly to suck the air inside the cabinet to maintain a negative pressure in the cabinet, and protect the staff through the vertical airflow; the outside air is filtered by a high-efficiency particulate air filter (HEPA) After filtering, enter the safety cabinet to avoid contamination of the processed samples; the air in the cabinet also needs to be filtered by a HEPA filter before being discharged into the atmosphere to protect the environment.
The structure of the Class II A2 Biosafety Cabinets:
Biological safety cabinets generally consist of two parts: a box and a bracket. The cabinet part mainly includes the following structures:
1. Air Filtration System
The air filtration system is the most important system to ensure the performance of this equipment. It consists of a driving fan, an air duct, a circulating air filter and an external exhaust air filter.
2. External exhaust air box system
The external exhaust air box system consists of an external exhaust air box shell, a fan and an exhaust duct.
3. Sliding front window drive system
The sliding front window drive system is composed of the front glass door, door motor, traction mechanism, drive shaft and limit switch, etc. The main function is to drive or traction each door shaft so that the front glass door is in the normal position during the operation of the equipment.
4. The illuminating light source and ultraviolet light source are located inside the glass door to ensure a certain brightness in the working room and to sterilize the countertop and air in the working room.
5. On the control panel, there are devices such as power supply, ultraviolet lamp, lighting lamp, fan switch, and control the movement of the front glass door. The main function is to set and display the system status.
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