Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Minimum equipment
5 Requirements
5.1 Design
5.2 Materials
5.3 Diver worn pressure vessel(s) (if fitted)
5.4 Diver worn pressure vessel valve(s) (if fitted)
5.5 High and medium pressure parts and connections
5.5.1 General
5.5.2 Pressure reducer(s)
5.5.3 Pressure relief system(s)
5.6 Hoses
5.6.1 General
5.6.2 Tensile strength of high and medium pressure
hose assemblies
5.6.3 Flexibility of high and medium pressure hose
assemblies
5.6.4 Kinking of high and medium pressure hoses
5.6.5 High pressure hose assemblies leak test
5.6.6 High pressure hose assemblies bursting pressure
5.6.7 Medium pressure hose assemblies leak test
5.6.8 Medium pressure hose assemblies bursting
pressure
5.6.9 Umbilical
5.7 Breathing system
5.7.1 Performance requirements
5.7.2 Facepiece gas supply non-return device
5.7.3 Exhaust device
5.7.4 Maximum inspired partial pressure of carbon dioxide
5.7.5 Hydrostatic imbalance
5.8 Surface control system
5.8.1 General
5.8.2 Gas supply
5.8.3 Gas monitoring
5.9 Safety devices
5.9.1 General
5.9.2 Pressure indicator
5.9.3 Depth indicator (if fitted)
5.10 Facepiece
5.10.1 General
5.10.2 Helmet
5.10.3 Full face mask harness
5.10.4 Breathing system connections
5.10.5 Visors
5.10.6 Head protection against impact
5.11 Harnesses
5.11.1 Body harness
5.11.2 Lifting harness
5.12 Auxiliary gas supply system (bail out)
5.13 Resistance of the apparatus to temperature
5.13.1 Storage
5.13.2 Leakage
5.14 Connectors
5.15 Cleaning and disinfecting
5.16 Pressure resistance of casings and monitors
5.17 Oxygen compatibility
5.18 Functional safety of electrical systems
5.19 Voice communications
5.19.1 General
5.19.2 Communication recording
5.20 Noise
5.21 Practical performance
6 Testing
6.1 General
6.1.1 Procedure
6.1.2 Nominal values and tolerances
6.1.3 Test equipment and test procedures
6.2 Visual Inspection
6.3 Pressure test of high and medium pressure parts
6.4 Hoses and umbilical assemblies
6.4.1 General
6.4.2 Tensile force of high and medium pressure hose
assemblies
6.4.3 Flexibility of high and medium pressure hoses
6.4.4 Kinking of high and medium pressure hoses
6.4.5 Leak test of high and medium pressure hose
assemblies
6.4.6 Umbilical buoyancy
6.4.7 Umbilical life line
6.5 Breathing system
6.5.1 Configuration
6.5.2 General test conditions
6.5.3 Breathing performance
6.5.4 Volume weighted average inspired carbon
dioxide
6.5.5 Gas supply non-return device
6.5.6 Exhaust device
6.5.7 Hydrostatic imbalance
6.6 Safety devices
6.6.1 Pressure indicator
6.6.2 Depth indicator(s)
6.6.3 Pressure relief system(s)
6.6.4 Oxygen monitor
6.7 Facepiece
6.7.1 Mechanical strength of the connections
between the facepiece and the connector
6.7.2 Full face mask harness
6.7.3 Impact resistance of the visor(s)
6.7.4 Head protection
6.7.5 Noise assessment
6.7.6 Communications modified rhyme test
6.7.7 Field of vision
6.8 Lifting harness
6.9 Sea water resistance
6.10 Resistance to temperature
6.10.1 Testing at -20 degrees C and 50 degrees C
6.10.2 Testing after storage at -30 degrees C
and +70 degrees C
6.10.3 Cold water testing
6.11 Cleaning and disinfection
6.12 Oxygen pressure surge test
6.13 Practical performance
6.13.1 General
6.13.2 Test subjects
6.13.3 Basic testing
6.13.4 Functional testing when diving
6.13.5 Report
6.14 Pressure vessel valve
6.15 Casings and monitors
7 Marking
8 Information supplied by manufacturer
Annex A (informative) - Artificial sea water
Annex B (informative) - A typical Modified Rhyme Test
word list
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 89/686/EEC (PPE)
Bibliography