Abstract
It is usually difficult to detect a small current signal in a high-pressure environment with strong electromagnetic interference. The paper introduces a high-voltage electrical equipment that is used to measure the small current. The system consists of three parts including the DC high voltage generator, data acquisition modules and PC data display section. The experimental results show that the device can acquire weak current signal effectively. Data acquisition module can communicate with the PC software with Ethernet, and the users can store, query the data through a database easily.
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