T/SDAS 447-2022 Active Group standards

The main parameters and testing methods of the T/SDAS 447-2022 Mask Particulate Filtration Efficiency Tester

T/SDAS 447-2022

Publish Date: 2022-09-19 Implement Date: 2022-09-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SDAS 447-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other textile machinery

Publish Date: 2022-09-19

Implement Date: 2022-09-30

Scope

Main technical content: This document specifies the principles of the detection methods for the main parameters of the mask particulate filter efficiency detector (hereinafter referred to as the "detector"), the detection environment conditions, the detection methods, and the expression of the detection results. This document is applicable to the detection of the flow, resistance, and filtration efficiency parameters of mask particulate filter efficiency testers with a test flow rate of 30 L/min to 100 L/min and a filtration efficiency range of 0% to 99.999%.