Artificial Mastoid Type 4930has been designed for the calibration of bone-conduction hearing aids.It consists of a mechanical simulation of the human head，incorporating a built-in force transducer to monitor the output of the device to be calibrated。
USE SCENARIOS
- 加热空气和自动加热炉炉膛布置
- Frequency response and output determination of bone vibrators
- 设计和生产测试和汽化
Type4930fulfils the International Electrotechnical Commission publication IEC60373（1990）and meets the requirements of the British Standard BS4009（1991）and American National Standard ANSI S3.13-1987and ANSI S3.26-1981。
