Integrated BNC Data Acquisition Module, USB-6221

Integrated BNC Data Acquisition Module, USB-6221


The National Instruments USB-6221 BNC is a USB high-performance M Series multifunction data acquisition (DAQ) module optimized for superior accuracy at fast sampling rates. The NI USB-6221 BNC is ideal for applications such as data-logging and benchtop sensor measurments. It provides 8 analog input, 2 analog output, 8 DIO and 2 user defined BNC terminals, and includes a certified power supply.

  • Analog Outputs: 2 · 833 kS/s · 16 bits
  • Analog Inputs: 8 SE/8 DI · 250 kS/s · 16 bits
  • Digital I/O : 24 DIO · 1 MHz
  • Counter/Timers: 2 · 32 bits · 80 MHz

  • 8 differential BNC analog inputs (16-bit, 250 kS/s)
  • 2 BNC analog outputs (16-bit, 833 kS/s); 24 digital I/O (8 clocked, 8 BNC); 32-bit counters
  • NI signal streaming for sustained high-speed data streams over USB; OEM version available)
  • Compatible with LabVIEW, ANSI C/C++, C#, Visual Basic .NET, and Visual Basic 6.0
  • NI-DAQmx driver software and NI LabVIEW SignalExpress LE interactive data-logging software

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