EN 14143:2013

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Minimum equipment
5 Requirements
6 Testing
7 Marking
8 Information supplied by manufacturer
Annex A (informative) - Requirement clauses and
        corresponding test clauses of this
        European Standard
Annex B (normative) - Safety-critical software
Annex C (informative) - Artificial sea water
Annex D (informative) - Details of significant technical
        changes between this European Standard
        and the previous edition
Annex ZA (informative) - Relationship between this
         European Standard and the Essential
         Requirements of EU Directive 89/686/EEC
         on Personal Protective Equipment
Bibliography

This European Standard specifies minimum requirements for self-contained re-breathing diving apparatus to ensure a minimum level of safe operation of the apparatus. It applies to the following:-a maximum depth of 6 m for apparatus using pure oxygen;-a maximum depth of 40 m for apparatus using oxygen in nitrogen gas mixtures;-a maximum depth of 100 m for apparatus using oxygen and helium or oxygen, nitrogen and helium gas mixtures;-water temperatures from 4 °C to 34 °C or outside these temperatures as specified by the manufacturer.