This document stipulates the principle of the main parameter detection method of the mask particle filtration efficiency detector (hereinafter referred to as the "detector"), detection environmental conditions, detection methods, detection result expression, etc. This document is suitable for testing the flow, resistance and filtration efficiency parameters of a mask particle filtration efficiency tester with a test flow rate of 30L/min ~ 100L/min and a filtration efficiency range of 0% ~ 99.999%.
T/SDAS 447-2022 history
2022T/SDAS 447-2022 Detection method of main parameters of mask particle filtration efficiency detector