KWH meter

例句：

1. 1.The energy-saving light bulb uses a KWH meter to measure the amount of electricity used.
   节能灯泡使用千瓦时计量器来测量使用的电量。
2. 2. The company's new KWH meter is designed to be more accurate and user-friendly.
   公司的新千瓦时计量器设计得更精确且用户友好。
3. 3. The KWH meter was installed in the factory to monitor the energy consumption during production.
   在工厂安装了千瓦时计量器，用于监测生产过程中的能源消耗。