Sets out requirements for simple mechanical, electro-mechanical, and electrical portable hand-held peak expiratory flow meters for self-monitoring of peak expiratory flow rate. Appendices include methods for determining accuracy and repeatability of flow meter output, effects of ageing and back pressure at constant flow.
Table of contents
Header
About this publication
PREFACE
1 SCOPE
2 REFERENCED DOCUMENT
3 DEFINITIONS
4 REQUIREMENTS
4.1 Accuracy
4.2 Peak expiratory flow meter output repeatability
4.3 PEFR measurement ranges
4.3.1 Standard range
4.3.2 Low range
4.4 Scale
4.4.1 Marking
4.4.2 Graduation lines
4.4.3 Numbering
4.5 Dismantling and reassembly
4.6 Resistance to mechanical shock
4.7 Resistance to environment
4.8 Effect of ageing
4.9 Back pressure at constant flow at standard and low measurement range
4.9.1 Standard measurement range
4.9.2 Low measurement range
4.10 Operability
4.11 Minimization of inhalation of debris
5 INFORMATION TO BE PROVIDED BY THE MANUFACTURER
6 MARKING
APPENDIX A
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 PROCEDURE
A5 CALCULATION
A5.1 Accuracy
A5.2 Output repeatability
A6 REPORT
APPENDIX B
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 PROCEDURE
B5 REPORT
APPENDIX C
C1 SCOPE
C2 PRINCIPLE
C3 APPARATUS
C4 PROCEDURE
C5 REPORT
Cited references in this standard
Content history
DR 93054
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