BS ISO 7637-2:2011

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test procedure
5 Test instrument description and specifications
Annex A (informative) - Example of test pulse severity
        levels associated with function performance
        status classification
Annex B (normative) - Transient emissions
        evaluation - Voltage waveform
Annex C (normative) - Test pulse generator verification
        procedure
Annex D (informative) - Determination of pulse generator
        energy capability
Annex E (informative) - Origin of transients in the
        electric system of road vehicles
Annex F (informative) - Alternative transient testing
        technique using electromechanically switched
        inductive loads
Bibliography

Describes test methods and procedures to ensure the compatibility to conducted electrical transients of equipment installed on passenger cars and commercial vehicles fitted with 12 V or 24 V electrical systems.

This part of ISO7637 specifies test methods and procedures to ensure the compatibility to conducted electrical transients of equipment installed on passenger cars and commercial vehicles fitted with 12V or 24V electrical systems. It describes bench tests for both the injection and measurement of transients. It is applicable to all types of road vehicles independent of the propulsion system (e.g. spark ignition or diesel engine, electric motor).

Function performance status classification for immunity to transients is given in AnnexA.