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The Class I biological safety cabinet can also be used as balance weighing hood. It’s designed for the safe weighing of highly active drugs and liquids. It is mainly used for weighing experiments involving dust, liquids, or mixtures of dust and liquid.
Unique back panel airflow design, it’s beneficial for stable balance readings and avoids the risk of highly active drugs falling during the replacement of the Pre-filter and HEPA filter.
Easy-to-replace Pre-filter could extend the HEPA filter’s lifetime.
Microprocessor controller equipped with an LCD display for digital indication of the operational status of all functions.
With Temperature and humidity sensor, real-time monitoring of temperature and humidity improves weighing accuracy.
Humanized design with three-sided observation window is convenient for multi-angle observation.
Memory function in case of power-failure.
Safety:
OEB Grade (Occupational Exposure Brand) is OEB 5.
For the highest-risk materials in the pharmaceutical industry, this cabinet minimize exposure risks and strictly control the leakage of highly hazardous substances in the cabinet, ensuring the safety of operators and the environment.
Model | BSC-I-WH900 | BSC-I-WH1300 | |
External Size (W×D×H)(mm) | 900×620×880 | 1300×620×880 | |
Internal Size (W×D×H)(mm) | 880×520×600 | 1280×520×600 | |
Control System | Display | Microprocessor controller with LCD display, display the operating status of each function | |
Life Indicator | HEPA filter indicators facilitate a timely replacement plan | ||
Airflow System | Average Air Velocity | 0.3–0.45 m/s | |
Air Volume (m³/h) | 200–300 | 400–600 | |
Air Filtration System | HEPA Filter | 1pc H14 HEPA Filter | 2pc H14 HEPA Filter |
Cabinet Construction | Front Panel | Electro-Galvanized steel with antimicrobial powder coating | |
Front and Side Window | PMMA | ||
Work Surface | Solid physicochemical board, resistant to acid and alkali (Note: when use it as Balance Weighing Hood, please remove the work surface and put the cabinet on the Weighing table directly.) | ||
Electrical System | LED Lamp | 6.5 W × 1 | 9.6 W × 1 |
Consumption (W) | 45 | 75 | |
Power Supply | AC 220 V ± 10%, 50/60 Hz; AC 110 V ± 10%, 60 Hz. | ||
Sound Emission | ≤60 dB (A) | ||
Standard Accessory | Pre-filter; HEPA filter; LED lamp; Temperature and humidity sensor. | ||
Optional Accessory | Balance weighing table; Waste recycling device; Air velocity sensor; Gas concentration sensor; Active carbon filter. | ||
Net Weight (kg) | 65 | 109 | |
Gross Weight (kg) | 95 | 150 | |
Shipping Size (W×D×H)(mm) | 1030×750×1090 | 1430×750×1090 | |
Shipping Volume (m³) | 0.9 | 1.2 | |


The spacious weighing area accommodates balances and sample containers comfortably, and the transparent front panel provides clear visibility during operation. A robust cabinet structure, easy-access working area, and practical front-loading design make it suitable for pharmaceutical, chemical, microbiological, and laboratory weighing applications where operator and environmental protection are key considerations.

Class I biological safety cabinet provides a controlled enclosure for powder weighing and handling processes where containment of airborne particles is essential. Its enclosed front workspace helps limit the escape of powders and aerosols, while the integrated ventilation system supports a cleaner and more controlled working environment.
