二级校准系统设计用于工作标准传声器和其它类型的传声器的校准.
2831-A 型
9721-A型二级校准系统采用比较法进行灵敏度校准，静电激励器法进行频率响应校准。
9721-A 型系统是通用的传声器校准系统，用于校准 IEC61094-4标准中所述的工作标准传声器、IEC 61094-1 中所述的实验室标准传声器以及其它非标准传声器。该系统适用于校准服务中心和拥有大量传声器的用户。传声器的灵敏度依据IEC 61094-5中所述的声压比较法测量，频率响应通过IEC 61094-6中所述的静电激励器法测量。
| Basic Microphone Calibration System | 數據表 | English |
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.