BS 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

Describes minimum requirements for self-contained re-breathing diving apparatus to ensure a minimum level of safe operation of the apparatus.

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.