Pharmaceutical weighing booth, also called negative pressure weighing room is a local purification equipment used in pharmaceutical, microbiological research and scientific experiments, providing a vertical one-way airflow.
The operation area and the external environment form a relative negative pressure, thereby ensuring that the dust in this area will not spread to the outside, playing a role in protecting the external environment. Weighing and packaging dust and reagents in the equipment can control the overflow and rise of dust and reagents, prevent the harm of dust and reagents to human body by inhalation, and avoid cross contamination of dust and reagents, protecting the external environment and the safety of indoor personnel.
Personnel and environmental protection
● Prevent cross contamination: Negative pressure design ensures that dust does not leak out, protecting operators from the hazards of highly active API (raw materials), carcinogens, and allergenic powders.
● Complies with GMP standards and is suitable for key links such as sterile preparations and anticancer drug production.
Efficient dust control
● Laminar flow + negative pressure dual protection: airflow directs dust to the filter to reduce suspended particles.
Flexible adaptation to different scenarios
● Modular design: customizable size.
● Mobile/fixed: Some models are equipped with universal wheels, suitable for flexible layout in laboratories and production workshops.
Intelligent control
● Equipped with variable air volume fan unit PLC control system and sensor system, etc. The control panel is located on the front of the working area inside the equipment. The control panel adopts a touch screen control panel, which can control the start and stop of the fan, adjust the fan working conditions, and adjust the wind speed required in the working area. There is a differential pressure gauge next to it to test the resistance of the filter. There is also an exhaust adjustment plate inside the air supply box to adjust the exhaust volume of the equipment within a reasonable range.
● Real-time monitoring of pressure difference: digital display monitors wind speed and pressure difference, and alarms for over-limit.
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Product advantages
● The fan has long life, low noise, maintenance-free, and low vibration;
● The wind speed is automatically constant or adjusted in steps;
● Double-layer negative pressure structure, no risk of leakage;
● The liquid tank design ensures perfect sealing;
● Excellent air uniform distribution performance;
● Consistent inside and outside, clean and without dead corners.
Product Specification
Dimensions (mm) |
Working area size (mm) |
Rated air volume (m'/h) |
Wind speed (m/s) |
Cleanliness level |
Noise(dB)| |
Illuminance(Lux) |
Control method |
Power(KW) |
1200X1200X2500 |
1100X700X2000 |
1300-1500 |
0.45+20% |
Class A |
72 |
≥300 |
Inverter control LCD control |
0.75 |
1300X1300X2500 |
1200X800X2000 |
1600-1800 |
0.75 |
|||||
1500X1300X2500 |
1400X700X2000 |
2000-2200 |
1.5 |
|||||
2000X1300X2500 |
1900X800X2000 |
2500-2700 |
1.5 |
|||||
2000X1500X2500 |
1900X1000X2000 |
3400-3600 |
2.2 |
|||||
2000x1800X2500 |
1900X1300X2000 |
4500-4900 |
2.2 |