V2EX ohmmeter

Ohmmeter

释义 Definition

欧姆表;电阻表:用于测量电阻(单位为欧姆,Ω)的仪器,常见于万用表中或作为独立设备使用。(在一些场景中也可泛指用于检测电路电阻/通断的测量装置。)

发音 Pronunciation (IPA)

/ommitr/

例句 Examples

An ohmmeter can tell you if the wire is broken.
欧姆表可以告诉你这根电线是否断了。

Before replacing the part, the technician used an ohmmeter to measure the resistance across the contacts and confirm the fault.
在更换零件之前,技术人员用欧姆表测量触点之间的电阻,以确认故障。

词源 Etymology

ohmmeterohm(欧姆,电阻单位,来自物理学家 Georg Simon Ohm 的姓氏)+ -meter(计量器/仪表,源自希腊语 metron “测量”)构成,字面意思就是“测量欧姆(电阻)的仪表”。

相关词 Related Words

文学作品中的用例 Literary Works

  • The Art of Electronics(Horowitz & Hill):常在电路测试与故障排查章节中提及使用欧姆表/万用表测量电阻与连通性。
  • Practical Electronics for Inventors(Paul Scherz & Simon Monk):在基础测量仪器与电路诊断相关内容中出现,用于说明电阻测量方法与注意事项。
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