調ちょう節せつ器き

noun

regulator; adjuster; controller

A device or mechanism that adjusts, controls, or modulates something such as temperature, pressure, volume, or speed.

• この調ちょう節せつ器きで温おん度どを一いっ定ていに保たもちます。

  This regulator keeps the temperature constant.

• 音おん量りょう調ちょう節せつ器きを右みぎに回まわしてください。

  Please turn the volume controller to the right.