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Standard
| JJG 2050-1990 Measuring Instruments for Ultrasonic Power (English Version) |
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Detail of JJG 2050-1990
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Introduction of JJG 2050-1990
本系统适用于超声功率计量器具的检定。它规定了超声功率值单位（W）国家基准的用途，基准所包括的全套基本计量器具，基准的计量学参数和直接或借助于标准计量器具工作计量器具传递超声功率量值的程序，并指明其不确定度和基本检定方法等。
Contents of JJG 2050-1990