conductivity measuring device

例句：

1. 1.This device is used to measure the electrical conductivity of materials.
   这个装置用于测量材料的电导率。
2. 2. The scientist developed a new device to improve the accuracy of the measurement.
   科学家开发了一种新的装置，以提高测量的准确性。
3. 3.The engineer tested the device in various environments to ensure its reliability.
   工程师在不同的环境中测试了这个装置，以确保其可靠性。