Esco Global » Biological Safety Cabinets » Airstream® Class II, Type B2 (Total Exhaust) Microbiological Safety Cabinet
Airstream® Class II, Type B2 (Total Exhaust) Microbiological Safety Cabinet
Class II Type B2 biological safety cabinets provide product, operator and environmental protection and are suitable for work with trace amounts of toxic chemicals and agents assigned to biological safety levels I, II or III. In a Class II Type B2 cabinet, all inflow and downflow air is exhausted after HEPA/ULPA filtration to the external environment without recirculation across the work surface.
- The best value of any Type B2 (Total Exhaust) Biological Safety Cabinet in the industry.
- Less energy consumption and heat output than competing products delivers lower total cost of ownership.
- The angled front, narrow profile front grille, raised armrest and frameless sash create an ergonomic work environment.
- Single piece stainless steel internal work zone eliminates welded joints where contaminants may accumulate.
- Dual-wall construction surrounds the work zone with negative pressure plenums for maximum safety.
- Fail-safe system ensures that in case of exhaust failure, the cabinet’s main fan automatically shuts down to ensure safety to the user.
- Unique Esco Dynamic Chamber™ plenum design delivers quiet, uniform airflow.
- Long life ULPA (per IEST-RP-CC001.3) supply filter and HEPA exhaust filter for airflow.
- Esco Sentinel™ microprocessor supervises all cabinet functions.
- Esco ISOCIDE antimicrobial coating on all painted surfaces minimizes contamination.
| Model No. | Standards Complied | External Dimensions (mm) |
Internal Dimensions (mm) |
Airflow Velocity (Inflow) |
Airflow Velocity (Downflow) |
Electrical |
| AB2-3S1 | 105(fpm) | 65(fpm) | 220-240V,AC, 50Hz,1ø | |||
| AB2-3S2 | 110-120V,AC, 60Hz,1ø | |||||
| AB2-3S3 | 220-240V,AC, 60Hz,1ø | |||||
| AB2-4S1 | 105(fpm) | 65(fpm) | 220-240V,AC, 50Hz,1ø | |||
| AB2-4S2 | 110-120V,AC, 60Hz,1ø | |||||
| AB2-4S3 | 220-240V,AC, 60Hz,1ø | |||||
| AB2-5S1 | 105(fpm) | 65(fpm) | 220-240V,AC, 50Hz,1ø | |||
| AB2-5S2 | 110-120V,AC, 60Hz,1ø | |||||
| AB2-5S3 | 220-240V,AC, 60Hz,1ø | |||||
| AB2-6S1 | 105(fpm) | 65(fpm) | 220-240V,AC, 50Hz,1ø | |||
| AB2-6S2 | 110-120V,AC, 60Hz,1ø | |||||
| AB2-6S3 | 220-240V,AC, 60Hz,1ø |
Esco offers a variety of options and accessories to meet local applications. Contact Esco or your local Sales Representative for ordering information.
Support Stands
Electrical Outlets and Utility Fixtures
Cabinet Accessories
Support Stands
- Fixed height, available 711 mm (28") standard size or 864 mm (34"), ±38.1 mm (1.5")
- With leveling feet
- With casters
- Telescoping height stand for leveling feet, nominal range 660 mm or 960 mm (26” or 37.8”)
- Telescoping height stand for casters, nominal range 660 mm or 880 mm (26” or 34.6”)
- Adjustable in 25.4 mm (1”) increments
Electrical Outlets and Utility Fixtures
- Electrical outlet, ground fault, North America
- Electrical outlet, Europe / Worldwide
- Petcock (air, gas, vacuum)
- North America (American) style
- Europe / Worldwide style DIN 12898, DIN 12919, DIN 3537
Cabinet Accessories
- Germicidal UV lamp
- Controlled by automatic UV lamp timer through Sentinel™ microprocessor control panel
- Emission of 253.7 nanometers for most efficient decontamination
- Lamp is positioned away from operator line of sight for safety and proper exposure to interior surfaces.
- PVC armrest
- Chemically treated, improves operator comfort, easy to clean.
- Ergonomic lab chair
- Laboratory grade construction, meets Class 100 cleanliness; alcohol resistant PVC materials
- Adjustable height 395-490 mm (15.6"-19.3")
- Ergonomic foot rest
- Angled, helps maintain proper posture
- Adjustable height
- Anti-skid coating, chemical resistant finish
- IV bar, with hooks
- Stainless steel construction
- Available for all standard Esco cabinets
- Microscope viewing device
- Mounting and viewing pouch integrated into sash. Factory installed; specify when ordering.
- Anti Blowback Valve
- Prevents flow from the facility HVAC system into the Esco product.
- Air Tight Damper
- Seals the Esco product from the facility HVAC system during decontamination.
- Ambient air is pulled through the front air grille to prevent contamination of the work surface and work product. The inflow does not mix with the clean air within the cabinet work zone. Inflow air travels through a return path toward the common air plenum (blower plenum) at the top of the cabinet.
- Ambient air is taken in through a prefilter at the top of the cabinet, and passes through the downflow ULPA filter, entering the work zone as laminar flow. The uniform, non-turbulent air stream protects against cross contamination within and throughout the work area.
- Near the work surface, the downflow air stream splits with a portion moving toward the front air grille, and the remainder moving to the rear air grille. A small portion of the ULPA filtered downflow enters the intake perforations at the side capture zones (small blue arrows). The uniform, non-turbulent air stream protects against cross contamination within and throughout the work area.
- Near the work surface, the downflow air stream splits with a portion moving toward the front air grille, and the remainder moving to the rear air grille. A small portion of the ULPA filtered downflow enters the intake perforations at the side capture zones at a higher velocity (small blue arrows).
- A combination of inflow and downflow air streams forms an air barrier that prevents contaminated room air from entering the work zone, and prevents work surface emissions from escaping the work zone. The downflow combined with the inflow air enters the common air plenum.
- All air in the common plenum is HEPA filtered and exhausted via a dedicated ducting system to the external environment.
| STANDARDS COMPLIANCE | BIOLOGICAL SAFETY CABINETS | AIR QUALITY | FILTRATION | ELECTRICAL SAFETY |
| NSF/ANSI 49, USA EN 12469, Europe SFDA YY-0569, China |
ISO 14644.1 Class 3, Worldwide JIS B9920, Class 3, Japan JIS BS5295, Class 3, Japan US Fed Std 209E Class 1 USA |
IEST-RP-CC034.1, Worldwide IEST-RP-CC007.1, Worldwide IEST-RP-CC001.3, Worldwide EN 1822, Europe |
IEC 61010-1, Worldwide EN 61010-1, Europe UL 61010-1, USA CAN/CSA-C22.2, No.61010-1 |
