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Home > Products > Mask and protective clothing testing instruments11 > YS-828 Particulate Protective Efficacy Tester
YS-828 Particulate Protective Efficacy Tester
- T/T
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Product Description
【Scope of Application】
Used for fast and accurate testing of the protective efficacy of various flat masks and 3D masks against particulates.
【Compliant Standards】
1. GB/T 32610-2016 Technical Specification for Daily Protective Masks, 6.14 Protective Efficacy, Appendix B Test Method for Particulate Protective Efficacy
2. GB∕T 38880-2020 Technical Specification for Children Masks, etc.
【Instrument Features】
1. Uses photometer sensors to detect upstream and downstream particle concentration, ensuring sampling is accurate, stable, fast, and effective.
2. System test flow primarily provided by external dry, clean compressed air. Internal pressure and flow stabilization devices ensure stability of detection flow. Simple, fast, and stable automatic control system.
3. Uses Collision multi-nozzle design, capable of performing salt and oily particulate matter tests on the same instrument, ensuring fast and stable aerosol concentration adjustment.
4. Can be equipped with GB∕T 38880-2020 children's mask testing moving silicone headform.
5. Equipped with artificial breathing simulator, allowing arbitrary setting of exhalation volume and breathing frequency.
【Technical Parameters】
1. Protective Efficacy Test Chamber Dimensions (approx. L×W×H): 600mm×600mm×560mm
2. Test Medium NaCl Particles:
2.1. Initial concentration in effective chamber space: (20～30)mg/m³, change during test ≤10%
2.2. Particle aerodynamic size distribution: (0.02～2) μm
2.3. Mass median diameter: 0.6μm
3. Test Medium: DEHS
3.1. Initial concentration in effective chamber space: (20～30)mg/m³, change during test ≤10%
3.2. Particle aerodynamic size distribution: (0.02～2) μm
3.3. Mass median diameter: 0.3μm
4. Photometer Sensor:
4.1. Gas sampling flow: (1～2) L/min
4.2. Detection frequency: 60 times/min
4.3. Particulate concentration measurement range and accuracy: (0.001～100) mg/m³, accuracy 1%
4.4. Inhaled gas sampling tube at nostril position
4.5. Ambient air sampling tube position 2cm from mask nose/mouth area
5. Matching Headform: Standard headform one (medium size)
6. Breathing Simulator:
6.1. Sinusoidal airflow
6.2. Breathing frequency: (5～40) times/min
6.3. Breathing flow: (5～80±1) L/min
7. Power Requirement: 220V, 50Hz, 1KW
8. Gas Source Requirement: 0.5MPa, 120L/Min
9. Dimensions (L×W×H): 820×840×1260 mm
Weight: Main Unit 62Kg / Protective Efficacy Test Module 34Kg
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