Mask Testing Machine, buy EN14683 BFE Face Mask Bacterial Filtration Efficiency Testing Machine on China Suppliers Mobile

Product Details

Product Description

AT920 Mask Bacterial Filtration Efficiency (BFE) Tester is used to quickly and accurately detect the bacterial filtration efficiency (BFE) of various flat masks, 3D masks and protective materials. Bacterial filtration efficiency (BFE) experimental method requires development, is a high-performance intelligent bacterial filtration efficiency detector.

Standards
EN14683			ASTM F2100	ASTM F2101

Note: For more standards, please contact us.

Specification

Model	AT920
Enterclose A	Sampling flow	28.3 L/min
		Resolution	0.1L/min
		Tolerance	±2.5%
Enterclose B	Sampling flow	28.3 L/min
		Resolution	0.1L/min
		Tolerance	±2.5%
Spray system	Flow rate	8~10L/min
		Resolution	0.1L/min
		Tolerance	±5.0%
Peristaltic pump	Flow rate	0.006 ~3 ml/min
		Resolution	0.001 mL/min
		Tolerance	±2.5%
Pressure in the forepart of flow-meter for Enterclose A/B	Pressure range	-20 ~ 0kpa
		Resolution	0.01kpa
		Tolerance	±2.5%
Pressure in the forepart of flow-meter for Spray system	Pressure range	0 ~ 300kpa
		Resolution	0.1kpa
		Tolerance	±2.5%
Aerial fog negative pressure	Pressure range	-90 ~ -120kpa
		Resolution	0.1Pa
		Tolerance	±2.0%
Operating temperature	0 ~ 50℃
Biosafety zone negative pressure	-90 ~ -120 Pa
Data storage capacity	20G
Data output and interface	USB (3 interfaces)
High efficiency air filter performance	≥99.995%@0.3μm, ≥99.9995%@0.12μm
Total number of positive quality control sampler particles	2200±500 cfu
Aerosol generator mass median diameter	Average particle diameter (3.0±0.3μm), Geometric standard deviation≤1.5
Six-stage Anderson sampler captures particle size	Level 1(>7 μm); Level 2(4.7~7 μm); Level 3(3.3~4.7 μm); Level 4(2.1~3.3 μm); Level 5(1.1~2.1 μm); Level 6(0.3~1.1 μm)
Aerosol chamber	Length 600 * Diameter 80 * Thickness 3.0 mm
Ventilation flow of negative pressure cabinet	>5m³/min
Working noise	<65db
Power supply	200V, 50Hz
Dimension	12507002000 mm
Work area	8706001100 mm
Net weight	Around 250kg