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BS 833:1970

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for radio interference limits and measurements for the electrical ignition systems of internal combustion engines
Available format(s)

Hardcopy , PDF

Superseded date

15-04-1999

Language(s)

English

Published date

31-07-1970

Publisher

British Standards Institution

Cooperating organizations
Foreword
Specification
1. General
1.1 Scope
1.2 Definitions
2. Limits
2.1 Limits of radiation
3. Method of measurement
3.1 Measuring apparatus
3.2 Measuring site
3.3 Disposition of measuring aerial when testing road
     vehicles and boats
3.4 Disposition of the measuring aerial for all other
     equipment
3.5 Test procedure
3.6 Type approval
3.7 Production conformity in type-approved equipment
4. Measurement of insertion loss
4.1 General
4.2 Measurement of the insertion loss of ignition
     suppressors
Appendices
A. Examples of suppression arrangements for ignition
     systems
B. Suppression components (suppressors)
Tables
1. Limits of radiation
2. Examples of suppression arrangements
Figures
1. Graphical presentation of limits of radiation
2. Position of aerial relative to vehicle
3. 15 kV annular spark gap
4. Suppression devices
5. Test circuit
6. General arrangement of test box
7. Details of test box lid
8. Details of test box
9. Straight plug suppressor (screened or unscreened)
10. Right angle plug suppressor (screened or
     unscreened)
11. Suppressed plug
12. Resistor brush in distributor cap
13. Resistor in distributor cap
14. Resistive rotor
15. Interference suppression ignition cable (resistive
     or reactive)
16. Practical arrangement for insulation test

For frequency range 40 MHz to 250 MHz from road vehicles, portable prime movers, construction equipment, agricultural machinery and boats. Method of measurement; insertion loss of components used in making up radio interference suppression devices. Does not apply to aircraft.

Committee
GEL/210
DevelopmentNote
Superseded by BS CISPR 12(1997), but remains current. Inactive for the new design. Supersedes 69/16024 DC (10/2005)
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
CISPR 21:1999 Similar to

BS 5260:1975 Code of practice for radio interference suppression on marine installations
BS 2799:1974 Specification for power-driven tower cranes for building and engineering construction
BS 6299:1982 Methods of measurement of the suppression characteristics of passive radio interference filters and suppression components
BS 466:1984 Specification for power driven overhead travelling cranes, semi-goliath and goliath cranes for general use
DEFSTAN 23-6/3(2000) : 2000 GUIDE TO THE COMMON TECHNICAL REQUIREMENTS FOR MILITARY LOGISTIC VEHICLES AND TOWED EQUIPMENT
BS 6330:1983 Code of practice for reception of sound and television broadcasting
BS 613:1977 Specification for components and filter units for electromagnetic interference suppression

BS 827(1939) : LATEST RADIO-INTERFERENCE SUPPRESSION FOR TROLLEY-BUSES AND TRAMWAYS
BS 905:1969 Radio interference limits and measurements for television and v.h.f sound receivers
BS CP1002(1947) : LATEST ABATEMENT OF RADIO INTERFERENCE FROM ELECTRO-MEDICAL AND INDUSTRIAL RADIO FREQUENCY EQUIPMENT
BS CP327.201(1960) : LATEST THE RECEPTION OF SOUND AND TELEVISION BROADCASTING
BS 613:1977 Specification for components and filter units for electromagnetic interference suppression
BS CP1006(1955) : PD 4549 GENERAL ASPECTS OF RADIO INTERFERENCE SUPPRESSION
BS 800(1972) : LATEST
BS 6862-1:1971 Specification for cables for vehicles Cables with copper conductors
BS 1597(1975) : LATEST LIMITS AND METHODS OF MEASUREMENT OF ELECTROMAGNETIC INTERFERENCE GENERATED BY MARINE EQUIPMENT AND INSTALLATIONS

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Hardcopy - English
PDF - English
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