露ろ点てん計けい

noun

dew point hygrometer

Technical instrument that measures the dew point temperature of air.

• この露ろ点てん計けいは、空くう気き中ちゅうの水すい分ぶん量りょうを正せい確かくに測そく定ていできます。

  This dew point hygrometer can accurately measure the moisture content in the air.