Council Directive 93/30/EEC

of 14 June 1993

on audible warning devices for two- or three-wheel motor vehicles (repealed)

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Annotations:

F1Article 1

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F1Article 2

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F1Article 3

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F1Article 4

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F1Article 5

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F1Article 6

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F1ANNEX IREQUIREMENTS APPLYING TO THE COMPONENT TYPE-APPROVAL OF AUDIBLE WARNING DEVICES

F11.DEFINITIONS

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F11.1.

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F11.1.1.

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F11.1.2.

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F11.2.‘type of audible warning device’ means audible warning devices not essentially differing among themselves, particularly in respect of the following aspects:

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F12.REQUIREMENTS

F12.1.

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F12.2.

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F13.SOUND LEVEL MEASUREMENTS

F13.1.Audible warning devices must preferably be tested in an anechoic environment. They may alternatively be tested in a semi-anechoic chamber or in a cleared outside space. In this case, precautions must be taken in order to avoid reflections off the ground in the measuring area, e.g. by providing a number of absorbent screens. It must be checked that the spherical distortion is no more than 1 dB within a hemisphere having a radius of at least 5 m up to the maximum frequency to be measured, this mainly being in the direction of measurement and at the height of the device and microphone. The ambient noise must be at least 10 dB lower than the sound pressure levels to be measured.

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F13.2.The measurements of the sound pressure level must involve the use of a class-1 precision sound level meter meeting the requirements of IEC publication No 651, first edition (1979).

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F13.3.The audible warning device must be supplied with one of the following voltages, as appropriate:

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F13.4.

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F13.5.The resistance of the electrical conductor for audible warning devices receiving direct current, including the resistance of the terminals and contacts, must lie as closely as possible to:

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F13.6.

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F13.7.Under the conditions set out above the A-weighted sound level must not exceed the following values:

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F13.7.1.Moreover the sound pressure level within the 1 800—3 550 Hz frequency band must be higher than that of any frequency component above 3 550 Hz, and in any case be at least:

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F13.7.2.

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F13.8.

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F13.9.

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F13.10.

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F13.11.

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F14.DURABILITY TEST

F14.1.The audible warning device must be supplied with the nominal voltage at the conductor resistance specified in sections 3.3 to 3.5 and be operated:

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F14.2.

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F14.3.

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F14.4.

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F14.5.

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F15.COMPONENT TYPE-APPROVAL MARK

F15.1.

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F1Appendix 1Information document in respect of a type of audible warning device intended for two- or three-wheel motor vehicles(to be attached to the application for component type-approval where this is submitted separately from the application for vehicle type-approval)

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F1Appendix 2

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F1ANNEX IIREQUIREMENTS APPLYING TO THE FITTING OF AUDIBLE WARNING DEVICES TO TWO- OR THREE-WHEEL MOTOR VEHICLES

F11.DEFINITIONS

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F11.1.‘type of vehicle’ means vehicles not differing essentially among themselves, where any such differences may relate to:

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F12.REQUIREMENTS

F12.1.

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F12.2.

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F12.3.

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F12.4.

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F12.5.

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F12.6.

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F12.7.

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F12.8.When measured under the conditions specified in sections 2.2 to 2.7 the maximum sound level value (section 2.7) of the audible warning under test must be at least:

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F1Appendix 1Information document in respect of the installation of an audible warning device on a type of two- or three-wheel motor vehicle(to be attached to the application for component type-approval where this is submitted separately from the application for vehicle type-approval)

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F1Appendix 2

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