GB 15742-2019 English Translated 英文版 翻译 Performance requirements and test methods of horn for motor vehicles
GB 15742-2019 Performance requirements and test methods of horn for motor vehicles
Standard No.: GB 15742-2019
Chinese Name: 机动车用喇叭的性能要求及试验方法
English Name: Performance requirements and test methods of horn for motor vehicles
1 SCOPE
This standard specifies the performance requirements and test methods for horns supplied with direct current and compressed air, which are intended for fitting to motor vehicles, and for horns installed on motor vehicles.
This standard applies to motor vehicles of categories of M, N, L3, L4 and L5.
2 NORMATIVE REFERENCES
The following standards contain provisions, which, through reference in this text, constitute provisions of this standard. At time of publication the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
IEC 651--1979 Acoustimeter
IEC 225-1966 1/1, 1/2 and 1/3 octave filters for the analysis of sound and vibration
3 PERFORMANCE REQUIREMENTS AND TEST METHODS
3.1 Performance requirements
3.1.1 General requirements
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