instrument converter

例句：

1. 1. The instrument converter is used to convert different voltages into a single standard voltage.
   仪器转换器用于将不同电压转换为单一标准电压。
2. 2. The engineer designed the instrument converter to improve the efficiency of the powersystem.
   工程师设计了仪器转换器以提高电力系统的效率。
3. 3. The instrument converter was used in the testing process to ensure accurate measurements.
   仪器转换器在测试过程中被使用以确保准确的测量结果。