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| Brand | Yiheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model Series | BBC-3S1, BBC-4S1, BBC-5S1, BBC-6S1 |
| Instrument Class | Class II Type A2 Biological Safety Cabinet |
| External Dimensions (L×W×H, mm) | 1040×810×2100 |
| Internal Work Area Dimensions (L×W×H, mm) | 920×580×655 |
| HEPA Filter Efficiency | ≥99.995% @ 0.3 µm |
| Airflow Velocity (Inflow/Downflow) | Compliant with NSF/ANSI 49 and EN 12469 requirements for Class II A2 cabinets |
| Motor Type | EC (Electronically Commutated) Fan |
| Power Supply | 220 VAC, 50 Hz |
| Optional Features | UV Lamp Timer, Real-time Airflow Monitoring, Filter Life Tracking, Password-Protected Settings, Interlocked UV/Lighting/Window Control |
| Brand | Yiheng |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Classification | Domestic (China-made) |
| Cabinet Class | Class II Type A2 |
| Models | BBC-3S1-A2, BBC-4S1-A2, BBC-5S1-A2, BBC-6S1-A2 |
| External Dimensions (L×W×H, mm) | 1040×810×2100 |
| Internal Dimensions (L×W×H, mm) | 920×580×655 |
| Work Surface Height | Standard ergonomic height (~750 mm from floor, inferred) |
| Filtration Efficiency | ≥99.995% for 0.3 µm particles (HEPA) |
| Airflow Control | Constant-velocity EC motor system |
| Safety Interlocks | Sash-position–light–UV interlock, password-protected settings |
| Compliance | Meets EN 12469:2000 and GB/T 17219–2022 requirements for Class II A2 BSCs |
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