| 1. | Electroacoustics - sound level meters - specifications
电声学.声级计.规范 |
| 2. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范 |
| 3. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范 |
| 4. | Electroacoustics - sound level meters - pattern evaluation tests
电声学.声级计.型式评定试验 |
| 5. | General specification for sound level metets
声级计通用技术条件 |
| 6. | Random - incidence and diffuse - field calibration of sound level meters
声级计的无规入射和扩散场校准 |
| 7. | Electric , sonic properties and measuring methods for sound level meters
声级计的电,声性能及测试方法 |
| 8. | Verification regulation of sound level meters
声级计检定规程 |
| 9. | Sound level meters - additional requirements for special measuring tasks
声级计.特殊测量任务的附加要求 |
| 10. | Integrating - averaging sound level meters
积分平均声级计 |
