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    3. DR251XL2 Particles filtration efficiency tester

      (China patent number: CN202130066549.1)

      Relevant standards

      • GB/T 1 9083
      • YY/T 0469
      • GB/T 32610
      • GB 2626
      • GB 19082
      • EN 1822-3
      • EN 149
      • EN 14683
      • etc
      Scope of application
      It is suitable for fast, accurate and stable detection of the particle filtration efficiency of various medical and daily protective masks, respirators, melt blown cloth and other materials.
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