Lisun WKS-1010 Mask Bacterial Filtration Efficiency (BFE) Tester (AC220V±10%，50Hz)

Main parameter: Parameter range  //  Resolution  //  Accuracy

Sampling flow: 28.3L/min  //  0.1L/min  //  Better than ±2.5%

Spray flow: (8～10)L/min  //  0.1L/min  //  Better than ±2.5%

Peristaltic pump flow: (0.006～3.0)ml/min  //  0.001ml/min  //  Better than ±2.5%

Front pressure of flowmeter: (-20～0)KPa  //  0.01KPa  //  Better than ±2.5%

Front pressure of Spray flowmeter:  (0～300)KPa  //  0.1KPa  //  Better than ±2.5%

Ambient temperature: (-40～99)℃  //  0.1℃  //  Better than ±2.5%

Negative pressure of aerosol chamber: (-90～-120)Pa  //  0.1Pa  //  Better than ±2.0%

Negative pressure of cabinet: -50～-200Pa

Data storage capacity: >100000 groups

Specification and quantity of vortex mixer test tube: Φ16×150mm tube;8

High efficiency air filter characteristics: Filtration efficiency for particles above 0.3um≥99.99%

Mass median diameter of aerosol generator: 3.0±0.3μm，Geometric standard deviation≤1.5

Integrated 6 Grades Andersen Sampler capture particle size:  Grade I＞7μm，Grade Ⅱ(4.7～7)μm，Grade Ⅲ(3.3～4.7)μm，Grade Ⅳ(2.1～3.3)μm，Grade Ⅴ(1.1～2.1)μm，Grade Ⅵ(0.6～1.1)μm

Aerosol chamber specifications:  60cm（Length）×8.5 cm（Diameter）× 3cm（Thickness）

Total number of particles of positive quality control sampler: 2200±500cfu

Ventilation flow of negative pressure cabinet: ≥5m3/min

Size of negative pressure cabinet: 755×400×990mm (W×D×H)

Size of host: 1200×630×2100mm (W×D×H)

Instrument noise: <65dB(A)

Total Weight: About150kg

Power supply: AC220V±10%，50Hz

Power consumption: <1500W