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Negative-pressure weighing chamber
A negative-pressure weighing chamber is a protective device specifically designed for precise weighing operations in industries such as pharmaceuticals and chemicals. It effectively isolates dust from spreading through controlled directional airflow, ensuring both the safety of operators and the purity of materials.
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Negative-pressure weighing chamber
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- Product Description
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Product Introduction:
A negative-pressure weighing chamber is a protective device specifically designed for precise weighing operations in industries such as pharmaceuticals and chemicals. It effectively isolates dust from spreading through controlled directional airflow, ensuring both the safety of operators and the purity of materials.
Core design:
1. Clean Protection System
The device features a built-in multi-stage air filtration module that creates a stable negative-pressure environment in the operating area, preventing the leakage of harmful substances. A dynamically balanced supply-and-exhaust ventilation design ensures targeted dust collection.
2. Smart Control Module
The operating panel is equipped with an intuitive touch interface that allows you to start and stop the device with a single tap, adjust the fan speed, and display the operational status in real time. The interface also integrates a differential pressure monitoring function, providing timely alerts about filter maintenance requirements.
3. Flexible adjustment function
Supports multi-level wind speed adjustment to accommodate different material weighing requirements. The internal layout of the housing has been optimized to provide ample operational space, balancing safety and ease of use.
Product advantages:
- Safety protection: Directed negative-pressure airflow prevents dust from spreading.
- Easy to operate: Touchscreen control with intuitive and efficient parameter adjustments.
- Convenient maintenance: Modular design simplifies the filter replacement process.
- Stable and durable: All-metal frame construction, corrosion-resistant and easy to clean.Applicable scenarios:
- Weighing of highly active pharmaceutical ingredients
- Repackaging of toxic chemicals
- Precise weighing of dust-sensitive materials
- Weighing operations for special reagents in the laboratoryInstructions 1. Buzzer 2. Wind speed sensor 3. PAO injection port 4. PAO detection port 5. High-efficiency differential pressure gauge
6. Medium-efficiency differential pressure gauge 7. Primary-efficiency differential pressure gauge 8. Display screen
9. Dust-proof socket 10. Return-air perforated panel 11. Exhaust-air perforated panel 12. Start/stop button 13. Emergency stop button
14. Lighting fixture 15. Air duct 16. Fan control box
17. Fan 18. Bag-type medium-efficiency filter 19. Primary filter 20. Positive-pressure zone 21. High-efficiency filter
22. Current-sharing membrane 23. Negative-pressure zoneNote: The specifications listed in the table are for reference only. Class A conveyor carts can be custom-designed and manufactured according to the customer’s URS document.
Model External dimensions (mm) Workspace dimensions (mm) Rated airflow (m³/h) Wind speed (m/s) Cleanliness Level Noise (dB) Illuminance (Lux) Control method Power (kW) HKHJ-FYCLS1200 1200*1200*2500 1100*700*2000 1000~1500 0.45 ± 20% Grade A ≤72 ≥300 Inverter control /
LCD screen control0.75 HKHJ-FYCLS1300 1300*1300*2500 1200*800*2000 1300–1900 1.2 HKHJ-FYCLS1500 1500*1300*2500 1400*700*2000 1300–1900 1.5 HKHJ-FYCLS2000 2000*1300*2500 1900*800*2000 2000~3000 1.5 HKHJ-FYCLS2001 2000*1500*2500 1900*1000*2000 2500~3700 2.2 HKHJ-FYCLS2002 2000*1800*2500 1900*1300*2000 3200~4800 2.2
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