自じ記き温おん度ど計けい

noun

self-registering thermometer; recording thermometer

Technical term for a thermometer that automatically records temperature over time, used in meteorology, laboratories, and industrial settings.

• 気き象しょう観かん測そく所じょでは自じ記き温おん度ど計けいを使つかって気き温おんの変へん化かを記き録ろくしている。

  At the weather station, they use a self-registering thermometer to record temperature changes.