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Jinan Xinghua Instruments Co.,Ltd
Address:No. 9 Jian Street Jinan Shandong China
Tel:+86-531-67880131
Fax:+86-531-86906490
Email:sales@xhinstruments.com
johnxhinstruments@hotmail.com
Website: http://www.xhinstruments.com


XHF-107 Bacterial Filtration Efficiency (BFE) Tester

XHF-107 Medical Face Masks Bacterial Filtration Efficiency (BFE) Tester is suitable for metrological verification departments, scientific research institutes, mask manufacturers and other relevant departments to measure the bacterial filtration efficiency (BFE) of medical face mask materials

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Standard: YY/T 0969-2013, YY 0469-2011, ASTM F 2100, ASTM F 2101, EN 14683, CNS 14775

 

Technical Parameter:

 

Item

Parameter Range

Resolution

Max Permissible Errors

Sampling flow rate of Path A

28.3L/min

0.01L/min

2.5%

Sampling flow rate of Path B

28.3L/min

0.01L/min

2.5%

Nebulization flow rate

(8-10)L/min

0.1L/min

±5.0%

Peristaltic pump flow rate

0.006-3mL/min

0.001mL/min

2.5%

Flow meter fore pressure of path A

-20-0kPa

0.01kPa

2.5%

Flow meter fore pressure of path B

-20-0kPa

0.01kPa

2.5%

Nebulization flow meter fore pressure

0-300kPa

0.1kPa

2.5%

Negative pressure of aerosol chamber

-500-0Pa

0.1Pa

2.0%

Negative pressure of cabinet body

(-500~0)Pa

Data Storage

>100000 Groups

Feature of HEPA filter

The filtration efficiency of particles above 0.3um is ≥99.99%

Mass mean diameter of aerosol generator

Mean particle size (MPS) (3.0±0.3)μm, geometric std. deviation≤1.5

Andersen

I>7μm, II. 4.7-7μm, III. 3.3-4.7μm, IV. 2.1-3.3μm, V. 1.1-2.1μm

VI. 0.6-1.1μm

Size of aerosol chamber

600mm(Length)×80mm(Diameter)×5mm(Thickness)

Total particle number of positive control sampler

2200±500cfu

Ventilation flow of negative pressure cabinet

800m3/min

Operation Cabinet Size

740mm×940mmx440mm

Dimension of main machine

1200mm×650mm×2100mm (L×W×H)

     Power supply

AC220V±10%,50Hz

Noise

<65dB(A)

Weight

Approx. 150kg

Power

<1500W

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