NIOSH TEB-APR-STP-0007 Inhalation resistance

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NIOSH TEB-APR-STP-0007 Inhalation resistance

Inhalation resistance (42 CFR Part 84.172)

Respirators are tested for resistance of inhalation air flow by measuring the differential pressure across the filter with airflow moving from outside to the inside of the mask. OIC utilizes the Dwyer 475-00-FM Digital Manometer for high-precision pressure measurement.