V2EX wattmeter

Wattmeter

定义 (Definition)

wattmeter瓦特计/功率计,用于测量电路或设备电功率(通常以瓦特 W 为单位)的仪器。

发音 (Pronunciation)

/wtmitr/(美); /wtmitr/(英)

例句 (Examples)

The technician checked the motor’s power with a wattmeter.
技术员用瓦特计检查电机的功率。

To improve energy efficiency, the engineer connected a wattmeter to the circuit and recorded the power consumption under different loads.
为了提高能效,工程师把瓦特计接入电路,记录不同负载下的功耗数据。

词源 (Etymology)

watt(瓦特,功率单位,纪念工程师 James Watt) + -meter(测量仪器) 组成,字面意思就是“测瓦特(功率)的仪表”。该词常用于电工、电子与实验测量语境。

相关词 (Related Words)

文学作品用例 (Literary Works)

  • The Art of Electronics(Horowitz & Hill):常在电路测量章节中出现,用于说明功率测量与仪表连接方式。
  • Practical Electronics for Inventors(Paul Scherz & Simon Monk):在基础测量与负载测试相关内容中会使用到该词。
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