Projekta Nr.ISO 4872:1978
Nosaukums<p>Describes a procedure for measuring the weighted sound pressure levels at prescribed microphone positions in the proximity of a device or machine. The A-weighted sound power level of the source is calculated from the measured values.</p>
Reģistrācijas numurs (WIID)10856
Darbības sfēra<p>Describes a procedure for measuring the weighted sound pressure levels at prescribed microphone positions in the proximity of a device or machine. The A-weighted sound power level of the source is calculated from the measured values.</p>
StatussAtcelts
ICS grupa17.140.20
91.220