The particle leakage tester is based on reference to similar foreign equipment for independent absorption, and further improvements have been made. According to industry standards, the test device for testing the leakage rate and adhesion of the mask is redesigned and produced. It adopts salt and oil aerosol generator and photometer collection system. It adds a computer control system and improves the level of automation. It is a test device with complete functions, advanced technology and high level of automation among similar products at home and abroad.
The leakage rate test bench is domestically manufactured, but the core component photometer is imported from abroad. The air source required for the entire air circuit is external compressed air, and the power for the detection air circuit is provided by a vacuum pump. An aerosol generator and a generating pipeline are installed on the generating gas path; a pneumatic fixture with a cylinder, two photometers, and a sealed cabin are installed on the detecting gas path.
Leakage rate (EN 149-2001+A1-2009) , Leakage rate (GB 2626-2019), Tightness (GB 19083-2010)
corn oil, NaCl
Aerosol dynamic particle size range
(oily) (0.02-2)um, mass median diameter 0.3um.
(Salinity) (0.02-2)um, mass median diameter 0.6um.
concentration range 1ug/m3-100mg/m3
inspection warehouse: 1300*1100*2350mm
control cabinet: 1300*900*2350mm
oily solution preparation (according to the standard), NaCl solution preparation (according to the standard), the filter element in the compressed air intake filter (every year), the air exhaust purification filter element in the warehouse (every year)
3kw, AC 220V 50Hz
Working environment requirements
1. Compressed air source
The compressed air pressure is 0.5～0.7MPa, the flow is greater than 0.3m3/min, and the compressed air is required to be dry and clean
2. Power matching
220VAC, 50Hz; stable power supply above 3kW, guided to the high-power control cabinet within the radius of 2M or less near the equipment
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