計けい数すう管かんけいすうかんMeanings1nouncounting machine; counterTechnical term for a device that counts items, events, or pulses; often used in industrial or scientific contexts.工こう場じょうでは計けい数すう管かんを使つかって部ぶ品ひんの数かずを数かぞえている。In the factory, they use a counting machine to count the number of parts.