テスター

テ

ス

タ

ー

Common wordFreq.FrequencyTop 50,000

Meanings

1

multimeter; circuit tester

A handheld electronic measuring instrument that combines several functions; commonly used by electricians and hobbyists.

from English tester

このテスターは抵てい抗こう値ちも測はかれます。

This multimeter can also measure resistance.

テスターで〈物もの〉を測はかるto measure something with a tester
テスターで電でん圧あつを測はかった。
I measured the voltage with a tester.
テスターを〈物もの〉に当あてるto touch the tester's probe to something
テスターの端たん子しをコードの先さきに当あてた。
I touched the tester's probe to the end of the wire.

マルチメーター
マルチメーター is the more technical, formal term for the same instrument, while テスター is the everyday word electricians and hobbyists actually use.
回かい路ろ計けい
回路計 is a stiffer, more technical label for the device, whereas テスター is the casual, widely used term.

テストN5
テスター (a measuring instrument) and テスト (a test/exam) both come from English 'test' but refer to completely different things.

個こN5
counter for small objects; counter for pieces · counter for military units · individual; one person · counter for years of age difference; counter for school years

Borrowed from English 'tester', referring to a device for testing electrical circuits.