UN Vehicle Regulations – Agreement. Addenda to the Agreement ( Regulations ). Important Note: 1. Some of the regulations presented in. Regulation No 28 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of audible warning. Regulation No 73 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of goods vehicles.
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A list of the components used in production on which the audible warning device saudible warning system smultiple audible warning system s are fitted, duly identified, with indication of the materials used; 1.
The maximum value of the overall sound level shall not be exceeded when all the constituent units are operated simultaneously. Its first two digits at present 00 for the Regulation in its original form shall indicate the series of amendments incorporating the most recent major technical amendments made to the Regulation at the time of issue of the r8.
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Under the conditions set forth above, the sound pressure weighted in accordance with curve A shall not exceed the following values:. Published by Brook Lang Modified over 2 years ago.
Position by the expert from the Russian Federation September Transmitted by the ecr from the Russian Federation.
Pneumatic or electro-pneumatic audible warning device, audible warning system, multiple audible warning system shall, when operating under the power supply conditions established by the manufacturers, satisfy the same acoustic requirements as are prescribed for electrically operated audible warning device, audible warning system, multiple audible warning system.
Registration Forgot your password? Working Party on Noise Session 65 Feb 3. Components whose combined f28 satisfies the requirements set out in paragraph 7 below are considered to form a lateral protective device. AWDs meeting the sound characteristics mentioned in b may be used on the vehicles mentioned in a. Chapter 11 Volume P. The audible warning device, audible warning system, multiple audible warning system shall emit a continuous and uniform sound; its acoustic spectrum shall not vary substantially during its operation.
– Transport – UNECE
The differences of test results The purpose of the top and bottom limit value A future solution Conclusion Other topic 2.
A model of the technical information document is shown in Annex 1A. On every audible warning device which conforms to a type approved under this Regulation, there shall be affixed conspicuously, in an easily accessible place indicated on the approval form, an international approval mark comprising:.
The department may then either: The competent authority shall verify the existence of satisfactory arrangements for ensuring effective control of the conformity of production before type approval is granted.
Notice of approval or refusal or extension of approval of a vehicle type pursuant to this Regulation shall be communicated to the Parties to the Agreement which apply this Regulation, by means of a form conforming to the model in Annex 1 to this Regulation.
No-one other than the observer reading the instrument shall remain near the audible warning device or the microphone, since the presence of spectators may affect the readings of the instrument to a considerable extent, if they are near the audible warning device or the microphone. Measured under the conditions specified in paragraphs The audible warning device, audible warning system, multiple audible warning system shall be supplied with current at the rated voltage and with the connecting lead resistances specified in Paragraphs 6.
Conformity of production Type or commercial description: Means of identification of type if marked on the vehicle: Working Party on Noise Session 66 Sep Conformity of production The same Contracting Party may not assign this number to another type of audible warning device.
GRB agreed that there was no need to establish a new informal working group and that the initial drafting would be carried out by a small group task force of interested parties. In alternative, the audible t28 device, audible warning system, multiple audible warning system to be tested and the microphone may be placed in another traverse line which complies with Annex 3 specification for anechoic environment. Measurements shall be carried out using the “fast” response of the acoustic measurement instrument and rr28 “A” weighting curve as described in IEC Help Print this page.
Should a Party to the Agreement applying this Regulation withdraw an approval which it has previously granted, it shall forthwith notify the other Contracting Parties applying this Regulation by means of a copy of the approval form bearing at the end in large letters the statement, signed and dated: Communication concerning the approval or refusal or extension or withdrawal of approval or production definitely discontinued of a vehicle type with regard to its lateral protection pursuant to Regulation No The competent authority issuing the extension of approval shall assign a series number to each communication form drawn up for such an extension.
If the samples submitted for approval conform to the provisions of paragraphs 6 and 7 below, approval for this type of warning device shall be granted. Pneumatic or electro-pneumatic warning devices shall, when operating under the power supply conditions established for the devices by the manufacturers, satisfy the same acoustic requirements as are prescribed for electrically operated audible warning devices.
The average auto power spectrum shall be determined, using a Hanning window and at least Position by the expert from the Russian Federation September Transmitted by the expert from the Russian Federation. Make trade name of manufacturer of vehicle: Means of identification of type if marked on the audible warning device saudible warning system smultiple audible warning system s: In each point three measurements shall be performed.
The above approval mark affixed to an audible warning device shows that this AWD of Class I has been approved in the Netherlands E 4 under approval number If you wish to download it, please recommend it to your friends in any social system.
In the case of devices with several outlets, the distance sce be determined in relation to the plane of the nearest outlet to the microphone. If a rectified current source is used for the test of an AWD supplied with direct current, the alternating component of the voltage measured at its terminals, when the warning devices are in operation, shall not be more than 0,1 volt, peak to peak.
Application for approval 4. Skip to main content. The sound pressure level in the mid-band frequency 2,Hz shall be determined by wce the quadratic means of the sound pressures in the one-third mid-band frequencies 2, 2, and 3,Hz.
Crackdown on loud motorcycle exhausts, pressure horns in the offing. Confirmation or refusal of approval, specifying the modification shall be communicated by the procedure specified in paragraph 5. Drawings indicating the position on the vehicle of the warning device s and of its their mountings.