NI USB-6221 BNC 16-Bit, 250 kS/s M Series, Integrated BNC, External Power

Starting at $ 2,884 (view pricing options)
  • National Instruments recommends using the USB-6341 X Series device for all new applications.
  • 8 differential BNC analog inputs (16-bit, 250 kS/s)
  • 2 BNC analog outputs (16-bit, 833 kS/s), 24 DIO (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 SignalExpress LE interactive data-logging software
  • View Support Resources
The NI USB-6221 BNC is a USB high-performance M Series multifunction DAQ module optimized for superior accuracy at fast sampling rates. It is ideal for applications such as data logging and benchtop sensor measurements. It provides 8 analog input, 2 analog output, 8 digital I/O, and 2 user-defined BNC terminals, and includes a certified power supply.

The USB-6221 BNC is designed specifically for mobile or space-constrained applications. Plug-and-play installation minimizes configuration and setup time, while direct screw-terminal connectivity helps keep costs down and simplifies signal connections.

This module also features new NI Signal Streaming technology that allows for DMA-like bidirectional high-speed streaming of data across the USB bus. For more information about NI Signal Streaming, see the Resources tab.

Each module also features an OEM version. See the Resources tab or use the left navigation to get pricing and technical information. Certified power supply included.

Driver Software
NI-DAQmx driver and measurement services software provides easy-to-use configuration and programming interfaces with features such as the DAQ Assistant to help reduce development time. Browse the information in the Resources tab to learn more about driver software or download a driver. M Series devices are not compatible with the Traditional NI-DAQ (Legacy) driver.

Application Software
Every M Series DAQ device includes a copy of SignalExpress LE so you can quickly acquire, analyze, and present data without programming. In addition to SignalExpress, M Series DAQ devices are compatible with the following versions (or later) of NI application software: LabVIEW 7.1, LabWindows™/CVI 7.x, or Measurement Studio 7.x. M Series DAQ devices are also compatible with Visual Studio .NET, C/C++, and Visual Basic 6.0.

The mark LabWindows is used under a license from Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation in the United States and other countries.

NI now offers free standard shipping! Free standard shipping will be automatically applied to new quotes and orders.

Part Number Description Est Ship  US Dollars Qty
780117-01USB-6221 M Series DAQ Device, BNC Term, U.S. (120 V)12 - 20$ 2,884.00
779697-02BNC Male to BNC Male Cable, 75 Ohm, 2 m (Quantity 4)5 - 10$ 198.00
780315-01Rugged Carrying Case for Portable Instrumentation5 - 10$ 202.00
780214-01Externally Powered USB M Series Panel Mounting Kit5 - 10$ 67.00

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