濁だく度ど計けい

noun

turbidity meter; nephelometer; turbidimeter

Technical instrument used to measure the cloudiness or haziness of a liquid, typically in water quality testing, environmental monitoring, or industrial processes.

• 水すい質しつ検けん査さでは濁だく度ど計けいを使つかって水みずの濁にごりを測そく定ていします。

  In water quality testing, a turbidity meter is used to measure the cloudiness of the water.