Introduction
The three-channel filter efficiency test bench can be used to filtration efficiency and resistance testing for non-woven filter material, glass fiber filter material, the new filter material.
Standards
(1) 42CFR84-2005 US new standard for respiratory protection
(2) EN149: 2001 Respiratory protective devices – Filtering half mask to protect against particle - Requirements, inspection and marking
(3) GB19083-2003 Technical requirements for protective face mask for medical use
(4) GB/T2626-2006 Respiratory protective equipment -- non-powered air-purifying particle respirator
(5) EN1822 High efficiency air filters (EPA, HEPA and ULPA) Part2: Aerosol production, measuring equipment, particle counting statistics
(6) IEST-RP-CC021.1 Testing HEPA and ULPA Filter Media
Composition
· Filter part
· Spray part
· Flow sharing section
· Filter installation part
· Detection, control and data processing output section
· Fan power part
Function
· Efficiency testing
· Resistance testing
Technical Parameters
· Filter test area: 100cm
2
· Test flow: 32L / min, 85L / min, 95L / min (optional)
· Efficiency detection range: 85% -99.999%
· Resistance detection range: 0-1250Pa
· Test particle size: PSL (0.3μm) quasi mono-disperse
· DEHS (0.3um-0.5um concentration 70%) (optional)
· Aerosol cross section distribution uniformity: ≤ 10%
· Upstream dilution: 1: 7-10
Accessories
· PSL aerosol generator
|
One |
|
·500 W inverter |
One |
|
·Dilator |
One |
|
·Standard 2.5 flow-meter |
One |
|
·Particle counter |
Two |
|
·Pneumatic filter installation |
One set |
|
·Dedicated data processing software |
One set |
|
·Self-purification filter |
One set |
|
·Electrical console |
One set |
|
·Conveying pipe (stainless steel) |
One set |
|
·Equipment covered area
|
1000 * 650 * 1650mm (L * W * H) |
Introduction
