Horns for Type M, N and L Motor Vehicles
National Standard of the P.R.C., Performance Requirements and Test Methods of Horn for Motor Vehicles (7 page(s), in Chinese)
This standard stipulates the performance requirements and test methods for electric horns and air horns, as well as the loading performance requirements and test methods for horns.
There were a lot of problems from the stakeholders after the implementation. In order to reduce noise pollution, the lowest sound pressure level of the whole vehicle is adjusted from 93 dB (A) to 87 dB (A). Therefore, an urgent notification is required.
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