Modular Data Acquisition
Distributed Measurement and Control
High-Performance Test
Automated Test System Development Software
Perspectives showcases how NI sees what’s next in the world of test and technology.
You can request repair, RMA, schedule calibration, or get technical support. A valid service agreement may be required.
Provides support for NI data acquisition and signal conditioning devices.
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments.
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.
修改时间 06-11-2012 05:28 AM
电容极性
修改时间 07-27-2012 03:25 AM
有两个办法:
1,输入一DC电压,量测其电流,如果电流很大,则是反向
2.另一个也是输入DC电压,在电容的顶端取样,量测其电压值.
以上两种方法都需注意输入的DC电压值.
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