DIN EN 60651 标准详情
- 标准号:DIN EN 60651
- 中文标题:声级计
- 英文标题:Sound Level Meters
- 标准类别:德国标准DIN
- 发布日期:
This standard is included in DIN Handbook 289. Describes instruments (sound level meters) for the measurement of certain frequency and time weighted sound pressure levels. Gives the following characteristics of sound level meters- - directional chara
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