scope:

This European Standard specifies a type test method to measure noise levels inside the driver's cabs of railway vehicles for assessing compliance with the relevant European legislation. This method is applicable to: - the measurement of noise inside driver's cab resulting from the sounding of external warning horns when the vehicle is stationary; - the measurement of noise inside the driver cab while the vehicle is running. The test procedures specified in this European Standard are of engineering grade (grade 2) with a precision of ± 2 dB, which is the preferred method for noise declaration purposes, as defined in EN ISO 12001.