測定器

1. Origins, structure, and basic meaning

• Structure: 測定器 (そくていき) is a compound noun for an instrument that measures a physical quantity and displays a value.
• Basic usage: 測定器の目盛りを確認する checks the zero mark before use, while 新しい測定器を使う makes the instrument for recording room temperature the object.

2. Common pitfalls and similar expressions

• Instrument check and measurement use
  • 測定器の目盛り is the display scale, whereas 測定器を使う operates the whole device. A zero check and a temperature reading are not the same value.