Technical Specifications 4 analog input channels; 24-bit resolution; 204.8 kS/s sampling rate; IEPE excitation; PCI bus; Operating temperature 0~55°C.
Functional Features Multi-channel synchronous dynamic signal sampling. IEPE constant current source for accelerometers and microphones. Built-in anti-aliasing filter. High dynamic range measurement.
Application Scenarios Modal analysis, rotating machinery vibration monitoring, acoustic noise test, automotive component vibration test.
Performance Parameters 24-bit high resolution; Simultaneous sampling on all channels; Low phase error between channels.
Structural Characteristics Standard PCI board, four BNC input connectors on front panel, status LED indicators.
Working Principle The board synchronously samples multi-channel analog dynamic signals. Analog signals pass anti-aliasing filter and 24-bit ADC, digital waveform data is transmitted to PC through PCI bus for analysis.
Installation Requirements Power off computer and insert PCI card into PCI slot. Install NI DAQmx driver. Connect IEPE sensors with BNC shielded cables.
Usage Notes Use shielded BNC cables. Match sensor requirement before turning on IEPE excitation. Avoid ground loop interference.
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