NEGATIVE-PRESSURE WEIGHING BOOTH
A negative-pressure weighing booth provides a controlled workspace for sampling, weighing and analysis. It contains powders and reagents within the operating area, prevents their release, limits operator inhalation exposure and controls airborne dust.
STANDARD CONFIGURATION
• German EBM or Luosen fan
• Negative-pressure liquid-seal design
• H14 mini-pleat HEPA filter
• Filter differential pressure monitoring
• PAO filter integrity test port
OPTIONS
• Air velocity measurement
• Automatic PLC control
• Online particle monitoring
TECHNICAL SPECIFICATIONS
• Cleanliness: Grade A (GMP)
• H14: 99.995%; three-stage pre-, intermediate and HEPA filtration
• Air velocity: 0.36–0.54 m/s
• Leak rate: 0.01%
• Noise: ≤ 70 dB
• Illuminance: ≥ 300 lux
• Material: SUS304
• Power: 220/380 V
APPLICATIONS
Weighing, dispensing and packaging powders and reagents; containing dust and reagent spills, limiting inhalation hazards, preventing cross-contamination and protecting the external environment and operators.