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JJF(冀)3013-2021 超声理疗仪校准规范

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更新时间:2021-08-13 18:13:53



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JJF(冀)3013-2021 超声理疗仪校准规范 JJF(冀)3013-2021
超声理疗仪校准规范
Calibration Specification for UItrasonic Physiotherapy Instrument
2021-05-16 实施
2021-04-16 发布
目 录
引 言................................................................................................................................. (1)
1 范围................................................................................................................................(1)
2 引用文件........................................................................................................................(1)
3 术语和计量单位............................................................................................................(1)
3.1 输出功率 output power...............................................................................................(1)
3.2 有效辐射面积 effective radiating area .......................................................................(1)
3.3 有效声强 effective intensity .......................................................................................(1)
3.4 声工作频率 acoustic-working frequency ...................................................................(2)
3.5 波束不均匀性系数 beam non-uniformity ratio .........................................................(2)
4 概述................................................................................................................................(2)
5 计量特性........................................................................................................................(2)
5.1 超声输出功率.............................................................................................................(2)
5.2 有效辐射面积.............................................................................................................(2)
5.3 有效声强.....................................................................................................................(2)
5.4 声工作频率.................................................................................................................(2)
5.5 波束不均匀性系数.....................................................................................................(2)
6 校准条件........................................................................................................................(2)
6.1 环境条件.....................................................................................................................(2)
6.2 测量标准及辅助设备.................................................................................................(3)
7 校准项目与校准方法....................................................................................................(3)
7.1 校准项目.....................................................................................................................(3)
7.2 校准方法.....................................................................................................................(4)
8 校准结果表达................................................................................................................(7)
9 复校时间间隔................................................................................................................(7)
附录 A................................................................................................................................(8)
附录 B ................................................................................................................................(9)
附录 C .............................................................................................................................. (11)
附录 D..............................................................................................................................(13)
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