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Environmental measurement, fluid measurement, particle measurement

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Filter material filtration efficiency resistance test bench

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The main purpose:

Filter material filtration efficiency/resistance test bench is used to test the filtration efficiency and resistance of daily protective masks and filter materials to particulate matter;

According to the standard:

GB 32610-2016 "Technical Specification for Daily Protective Masks"

GB 2626-2006 "Respiratory protective equipment self-priming filter anti-particulate respirator"

GB 19081-2009 "Technical Requirements for Medical Disposable Protective Clothing"

GB 19083-2010 "Technical Requirements for Medical Protective Masks"

YY 0469-2011 medical surgical mask

"European Standard EN1822-3: 2009 Leaflet Filter Material Test"

Device Description

The test bench uses polydisperse experimental aerosols (NaCl, PAO-4 or DEHS) to quantify dust generation, and tests are carried out by the concentration and pressure changes of aerosol particles upstream and downstream of the tested filter material. It is suitable for testing a variety of filter materials (melt blown, glass fiber, PP, film and other filter materials), medical masks and some labor protection products. The self-developed measurement and control software is stable and reliable, easy to operate, and the operating parameters are clear at a glance. It is convenient to switch the test of different aerosols (NaCl, PAO-4 or DEHS).

basic configuration

1), aerosol generator

2), laser particle counter

3), differential pressure transmitter

4), flow transmitter

5), aerosol concentration regulator

6), electrostatic neutralization device

7), heating device

8), parameter input/display touch screen

9), micro printer

10), standard fixture

Technical Parameters

1) Applicable filter material: glass fiber filter material, PP filter material, membrane filter material

2), the detection particle size range: 0.3, 0.5, 1.0, 3.0, 5.0, 10.0 μm (six ranges)

3) Flow range: 20～100 l/min

4) Range of detection resistance: 0～1000 Pa

5) Dust source: NaCl, PAO-4 or DEHS

6), test area: 100 cm2

7) Power supply: 220V/50 Hz 1500W

8), Dimensions: 700 mm (width) × 700 mm (depth) × 1350 mm (height)

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Respiratory mask resistance test bench

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