DR246S Face mask respiratory resistance tester

(China patent number: ZL201721097066.2 )

Relevant standards

  • GB2626
  • GB/T32610
  • GB19083
  • YY0469
  • etc
Scope of application
Whether the resistance value of the mask suitable for medical and daily protection to the human body's exhalation and inhalation meets the standard.
?
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