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Specifies two different adapters and the removable conical ring to be used with the EN 60318-1 ear simulator to provide an interim acoustic coupler for the calibration of certain audiometric earphones designed for use in the extended high-frequency range from 8 kHz to 16 kHz.
Reģistrācijas numurs (WIID)
51211
Darbības sfēra
Specifies two different adapters and the removable conical ring to be used with the EN 60318-1 ear simulator to provide an interim acoustic coupler for the calibration of certain audiometric earphones designed for use in the extended high-frequency range from 8 kHz to 16 kHz.
