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About This Item

 

Full Description

Identically adopts ISO/TS 16976-4:2019, which describes how to calculate the work performed by a person's respiratory muscles with and without the external respiratory impediments that are imposed by RPD of all kinds, except diving equipment. This document describes how much additional impediment people can tolerate and contains values that can be used to judge the acceptability of an RPD.

KEYWORDS: Respiratory Protective Devices; Calculation of work; Impediments to respiratory muscles

 

Document History

  1. AS/NZS ISO 16976.4:2024


    Respiratory protective devices - Human factors, Part 4: Work of breathing and breathing resistance: physiologically based limits

    • Most Recent
  2. SA/SNZ TS ISO 16976.4:2021

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    Respiratory protective devices - Human factors, Part 4: Work of breathing and breathing resistance: Physiologically based limits

    • Historical Version
  3. SA TS ISO 16976.4:2015


    Respiratory protective devices - Human factors, Part 4: Work of breathing and breathing resistance: Physiologically based limits

    • Historical Version