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.
08-31-2007 03:34 AM
09-01-2007 06:12 PM
如果选择共地的话，必须选择单端模式。
如果不共地的话，应该选择差分模式。
另外，测量多路时，如果各个通道增益差别太大的话，对测量结果也是有影响的，比如一个通道为3-5V，而另一个通道为10-50MV。
如果差距太大，最好加前端信号调理。
09-02-2007 08:08 PM
