BOXUN BSC-1000A2 Class II Biological Safety Cabinet
| Brand | BOXUN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | BSC-1000A2 |
| Price Range | USD 2,800 – 7,000 (FOB) |
| Cabinet Class | Class II Type A2 |
| External Dimensions (L×W×H) | 1220 × 860 × 2225 mm |
| Internal Work Area Dimensions (L×W×H) | 1100 × 500 × 640 mm |
| HEPA Filter Efficiency | ≥99.99% @ 0.3 µm |
| Airflow Pattern | 70% recirculated, 30% exhausted |
| Inflow Velocity | 0.55 m/s (avg.) |
| Downflow Velocity | 0.35 m/s (avg.), ±0.02 m/s control accuracy |
| Noise Level | ≤67 dB(A) |
| Vibration Peak-to-Peak | ≤10 µm |
| Illumination | ≥650 lux (uniform across work surface) |
| Personnel Protection Factor | ≥1×10⁵ (KI aerosol challenge test) |
| Product Protection | ≤5 CFU/test |
| Cross-Contamination Protection | ≤2 CFU/test (impactor sampling) |
| Operating Ambient | 10–30°C, RH ≤70% @ 25°C, Pressure 80–105 kPa |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Total Power Consumption | 1.25 kW (including integrated AC outlets) |
Overview
The BOXUN BSC-1000A2 is a certified Class II, Type A2 biological safety cabinet engineered for primary containment in biosafety level 1–2 laboratories. It operates on the principle of inward laminar airflow combined with downward vertical laminar flow—both conditioned through dual HEPA filtration—to simultaneously protect personnel, product, and environment. As a critical component of the laboratory’s first-line biosafety infrastructure, the BSC-1000A2 complies with NSF/ANSI 49–2022, EN 12469:2000, and GB 50346–2011 standards. Its air handling system draws ambient air through the front sash opening (inflow), passes it over the work surface, then splits the airstream: ~70% is recirculated after passing through a supply HEPA filter, while ~30% is exhausted externally via a dedicated ducted or thimble-connected canopy. This configuration enables safe handling of low-to-moderate risk biological agents—including recombinant DNA constructs, clinical specimens, and cell cultures—without compromising sterility or operator safety.
Key Features
- Intelligent AirClean Control System with 7-inch color LCD interface displaying real-time inflow/downflow velocity, HEPA service life estimation, UV lamp status, lighting status, power outlet activity, and system alarms—including bilingual (English/Chinese) fault diagnostics.
- Programmable UV sterilization scheduler supporting calendar-based activation to minimize ozone accumulation and eliminate manual oversight errors.
- Integrated timed AC outlets (with splash-proof covers) enabling synchronized operation of auxiliary equipment such as microburners or centrifuges under validated airflow conditions.
- Adaptive Constant Airflow Technology using high-precision thermal anemometers; maintains ±0.02 m/s downflow stability even with up to 50% increase in HEPA filter resistance—ensuring consistent ISO Class 5 (100) cleanroom performance throughout filter service life.
- Dual interlock safety: UV lamps deactivate automatically upon illumination activation; sash position sensors trigger audible/visual alerts if the front window exceeds operational limits (±5 mm from set height), preserving negative pressure integrity and preventing turbulence-induced contamination.
- ISO 5–rated HEPA filters (≥99.99% @ 0.3 µm) manufactured from imported glass-fiber media with low initial pressure drop (<120 Pa) and high structural rigidity; optional ULPA upgrade available (ISO 4, ≥99.9995% @ 0.12 µm).
Sample Compatibility & Compliance
The BSC-1000A2 accommodates standard microbiological workflows involving bacterial/viral culture, tissue dissociation, transfection, and sterile reagent preparation. Its work area (1100 × 500 × 640 mm) supports single-user operation with ergonomic 10° inclined tempered glass sash (UV-resistant, impact-rated). All interior surfaces are fabricated from electropolished SUS304 stainless steel with seamless radius-corner welding to eliminate microbial harborage points. The removable, reinforced stainless steel work surface includes an integrated liquid collection trough and drain valve for rapid decontamination. Certification documentation includes full NSF/ANSI 49 validation reports covering personnel protection (KI aerosol challenge), product protection (agar plate settle tests), and cross-contamination control (impactor sampling)—all performed per GLP-aligned protocols. The unit is suitable for GMP-compliant environments when operated within validated HVAC parameters and maintained under documented change control procedures.
Software & Data Management
The embedded AirClean controller logs all operational events—including sash position changes, UV cycle initiation/completion, filter runtime, airflow deviations >±5%, and alarm triggers—with timestamped entries stored internally for ≥12 months. Audit trail functionality meets FDA 21 CFR Part 11 requirements when connected to BOXUN’s optional Ethernet-enabled DataBridge module (sold separately), enabling secure remote monitoring, CSV export, and integration into LIMS or ELN platforms. No proprietary software installation is required for basic data retrieval; USB export is supported via front-panel port. Firmware updates are delivered via signed binary packages verified against SHA-256 checksums to ensure integrity and traceability.
Applications
- Cell culture maintenance and passaging under aseptic conditions
- Preparation of diagnostic reagents and molecular assay kits
- Handling of BL-2 pathogens including Escherichia coli K-12 derivatives, Staphylococcus aureus, and lentiviral vectors
- Pharmaceutical quality control testing involving sterility assurance and environmental monitoring sample processing
- Academic teaching labs conducting foundational microbiology, immunology, and synthetic biology experiments
- Veterinary diagnostics and vaccine development workflows requiring simultaneous personnel and product protection
FAQ
Does the BSC-1000A2 require external ducting?
Yes—Type A2 cabinets must be connected to an exhaust system capable of sustaining ≥150 Pa static pressure; flexible ducting is not recommended. Thimble connection is permissible only when installed per NSF 49 Annex D guidelines.
What is the expected HEPA filter service life under typical usage?
Under continuous operation at 8–10 hrs/day in a controlled lab environment (≤20% airborne particulate load), the supply and exhaust HEPA filters typically last 3–5 years; lifespan is dynamically estimated by the AirClean system based on cumulative airflow resistance.
Can this cabinet be used for volatile chemical handling?
No—Class II A2 cabinets are not designed for toxic or flammable vapors. Use only with minute quantities of low-hazard chemicals (e.g., ethanol wipes); never with open containers of solvents or acids.
Is third-party certification included with purchase?
Yes—each unit ships with a factory-issued NSF/ANSI 49 compliance certificate, full performance test report, and filter integrity verification documentation.
How often should the UV lamp be replaced?
UV germicidal lamps degrade over time; replacement is recommended every 12 months or after 1,000 hours of cumulative use—whichever occurs first—as verified by radiometric output measurement.
