BS 6656:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation. Guide
Hardcopy , PDF
04-28-2006
English
10-30-2002
Committees responsible
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 General considerations
6 Transmitter and transmitter output parameters
7 Structure and spark-making mechanisms
8 Ignition of flammable atmospheres
9 Practical measurements and tests
10 Methods of assessment for determining potential RF ignition
hazards on a plant containing hazardous areas
11 Plant safety measures
12 Special cases
Annex A (informative) Sources of information and addresses of
some advisory bodies
Annex B (informative) Electromagnetic radiated fields and examples
of radiating antennas and unintended receiving antenna
characteristics
Annex C (informative) Subdivision of group II flammable gases and
vapours
Annex D (normative) Measurement of electromagnetic fields
Annex E (normative) Method of measurement on structures (on-site
tests)
Annex F (informative) Derivation of vulnerable zone distances for
Table 5, Table 6 and Table 10
Annex G (informative) Worked examples of full assessment procedure
Annex H (informative) Ground-wave propagation (vertical
polarization) - Calculation of field strength
Bibliography
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