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First.  TheSX-L1053filterefficiencytestbenchissuitablefortestingtheefficiencyof95%-99.99%gradefiltermediaandtestingthefiltermaterialaccordingtotheinternationalstandard.Thedesignstructureofthetesttable
The SX-L1053 filter efficiency test bench is suitable for testing the efficiency of 95%-99.99% grade filter media and testing the filter material according to the international standard. The design structure of the test table is compact and portable, and in the process of testing, it only needs to provide the appropriate supply of power and compressed air (no water, no oil), suitable for use in the laboratory, factory and other occasions.
In the filter paper test, the particle counting method is used to measure the diameter efficiency. Monodisperse aerosol is recommended in the experiment. The measurement of pressure drop should be carried out at the specified filter rate.
The filter paper is fixed on the fixture, and the test air volume corresponds to the required filtration rate. The aerosol generated by the aerosol generator is adjusted and then electrostatic neutralized (PSL), and then mixed with the filtered test air, and then into the test area through the filter material.
To measure efficiency, an air diverge is carried out upstream and downstream of the filter material. The particle counting instrument is used to measure the counting concentration of particles in the sampling airstream, and the efficiency is obtained through the ratio of upstream to downstream.
In addition, the resistance of filter material should be measured, and the flow of control should be adjusted manually.
Products meet JJF1190-2008 "dust particle counter calibration specification".
Reference standard:
Performance test methods for JG / T22-1999 general ventilation filters
Test method of ANSI / ASHRAE52.1-1992 general air purifier in USA
European EN779:2002 air filters for general ventilation - Determination of filtration performance
Test methods for JISB9908:2001 ventilation air filters and electric air purifiers in Japan
European EN1822 high efficiency filter
ISO-29463 high efficiency filter and filter medium for removing particulate matter in air
Corresponding parameter set not found, please add it in property template of background
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