積せき算さん電でん力りょく計けい

noun

watt-hour meter; electricity meter

Technical term for a device that measures cumulative electrical energy consumption, commonly found in residential and commercial power installations.

• 電でん力りょく会社がいしゃが積せき算さん電でん力りょく計けいを交こう換かんに来きた。

  The power company came to replace the watt-hour meter.

• 積せき算さん電でん力りょく計けいの数すう値ちを毎まい月つき記き録ろくしている。

  I record the watt-hour meter reading every month.