DR258A Protective Clothing Solid Particulate Protection Test System
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  • DR258A Protective Clothing Solid Particulate Protection Test System

DR258A Protective Clothing Solid Particulate Protection Test System

【Scope of Application】: This is used to test the overall protective performance of chemical protective suits for solid particulate matter. The performance indicators of the protective suit and mask are characterized by the leakage rate of particulate chemical pollution from the working environment into the clothing.

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Protective type testing instrument

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DR258A Protective Clothing Solid Particulate Protection Test Syst

Protective Clothing Solid Particulate Protection Test System

Product Description

【Scope of Application】: 
This is used to test the overall protective performance of chemical protective suits for solid particulate matter. The performance indicators of the protective suit and mask are characterized by the leakage rate of particulate chemical pollution from the working environment into the clothing. 
【Principle】: 
Standard NaCl particle aerosol is generated by an aerosol generator and introduced into the test chamber to maintain a stable state. The tested subject wears the tested protective clothing and performs the test actions according to the pre-determined scheme. The particle detector measures the concentration of NaCl particle aerosol inside the tested protective clothing at fixed sampling points. The overall protective performance of the protective clothing against particles is evaluated by the following indicators:
- The individual inward leakage rate Lijmn at each sampling position;
- The total inward leakage rate Ls of each tested protective clothing;
- The total inward leakage rate LH of each tested subject;
- The total inward leakage rate LE of each test action;
- The total inward leakage rate LP at each sampling position;
- The average total inward leakage rate L.
【Related Standards】: 
GB/T 24539-2021 Protective Clothing - Solid Particulate Chemical Protective Clothing 4.3.1 item and Appendix A
GB 2626-2019 Respiratory Protective Equipment - Self-Contained Filtering Dust Respirator 6.4 chapter
GB 19083-2023 Medical Protective Masks  Total Leakage Rate (YY/T 0866-2024)
ISO 13982, BS EN ISO 13982 EN 1073-1-2016 and other standards
【Standard Comparison】:
1. Sampling Procedure of GB/T 24539-2021 Standard:

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