Particles Filtration Efficiency Tester DR251XL2
Particles Filtration Efficiency Tester DR251XL2
Photometric method
【Scope of application】
This tester is suitable for rapid, accurate and stable detection of particulate matter and filtering efficiency of various medical and daily protective masks, respirators, melt-blown cloth and other materials.
【Relevant standards】
GB/T 32610-2016
GB 2626-2019
EN 1822-3:2012
EN 149-2001
EN 14683：2005
IEST-RP-CC021.1
NIOSH 42
CFR Part 84
etc.
