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Testing of peak expiratory flow-meters - ISO 23747

Anaesthetic and respiratory equipment — Peak expiratory flow meters for the assessment of pulmonary function in spontaneously breathing humans

 

This International Standard specifies requirements for a peak expiratory flow meter (pefm) intended for the assessment of pulmonary function in spontaneously breathing humans.

Performance requirements are:

  • Error of measurement
  • Linearity
  • Resistance to flow
  • Frequency response