GRAS Announces Standardization of RA0252 Coupler According to IEC Standard 60318-8:2022

GRAS Sound & Vibration announced that its line of production line tools for high-frequency measurements now includes the only 0.4cc couplers that follow the most recent IEC standards, offering a cost-efficient validation tool in the frequency range up to 16 kHz that adheres to standards. The latest IEC standard 60318-8:2022 describes an acoustic coupler for loading a hearing aid or insert earphone with a specified acoustic impedance when testing its acoustic performance, in the frequency range up to 16 kHz.