BS EN 50131-2-4:2008

Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
4 Functional requirements
5 Marking, identification and documentation
6 Testing
Annexes
Annex A (normative) - Dimensions & Requirements
        of the standardised Test Magnets
Annex B (normative) - General testing matrix
Annex C (normative) - Walk test diagrams
Annex D (normative) - Procedure for calculation of
        the average temperature difference between the
        standard target and the background
Annex E (informative) - Basic detection target for the
        basic test of detection capability
Annex F (informative) - Equipment for walk test
        velocity control
Annex G (informative) - Immunity to visible and near
        Infrared radiation - Notes on calibration of the
        light source
Annex H (informative) - Immunity to microwave signal
        interference by fluorescent lights
Annex I (informative) - Example list of small tools
Annex J (informative) - Test for resistance to re-orientation
        of adjustable mountings
National Annex NA (Informative) - Text of IS1 to
                  EN 50131-2-4:2008

Details combined passive infrared and microwave detectors installed in buildings and provides for security Grades 1 to 4, specific or non-specific wired or wire-free detectors, and uses environmental classes I to IV.