NI USB-6221 Legacy USB DAQ Device

Starting at $ 1,574 (view pricing options)
  • National Instruments recommends the NI USB-6341 X Series DAQ device for all new applications.
  • 16 analog inputs (16-bit, 250 kS/s)
  • 2 analog outputs (16-bit, 833 kS/s); 24 digital I/O (8 clocked); 32-bit counters
  • Specifications  
  • View Support Resources
The NI USB-6221 is a USB high-performance M Series multifunction DAQ module optimized for superior accuracy at fast sampling rates.

It 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.

Each module also features an OEM version. Check the Resources tab or use the left navigation to get pricing and technical information.

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 NI LabVIEW SignalExpress LE so you can quickly acquire, analyze, and present data without programming. In addition to LabVIEW SignalExpress, M Series DAQ devices are compatible with the following versions (or later) of NI application software - LabVIEW 7.1, LabWindows™/CVI 7.x, and Measurement Studio 7.x. M Series DAQ devices are also compatible with Visual Studio .NET, ANSI 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.
Part Number Description Est Ship  US Dollars Qty
Device and Professional Accessory Set
779808-01NI USB-6221 M Series, 26 cm, Screw Term, U.S. (120V)12 - 20$ 1,574.00
Optional Accessories
780315-01Rugged Carrying Case for Portable Instrumentation5 - 10$ 182.00
780214-01Externally Powered USB M Series Panel Mounting Kit5 - 10$ 60.00

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Service Programs for Hardware

At NI, we produce high-performance hardware and are committed to helping you maintain that performance for years to come. Our three- or five-year service programs for hardware and systems provide the coverage you need while ensuring lowest total cost of ownership over the life of your system:

  • Get up and running faster with system assembly and configuration services
  • Operate on a fixed budget with prepaid repair and calibration services
  • Maintain peak performance with a discounted calibration plan
  • Simply call us to schedule your service—no budget approval needed

To learn more about service programs for hardware and systems, see ni.com/services/hardware

Technical Support

With the knowledge, experience, and responsiveness of NI applications engineers in more than 30 languages and 40 countries, we have the technical support resources to ensure your success. Through our standard NI technical support program, we can help you:

  • Consult on how to use NI products
  • Overcome development challenges
  • Quickly resolve issues pre- or post-deployment

To access NI technical support services for your hardware, visit ni.com/support

Training and Certification

With extensive training options for new and experienced users, we can help you reduce development time and costs through faster learning and increased productivity with your NI hardware and systems. Gain the skills you need to design and develop high-quality applications:

  • Learn recommended techniques to reduce development time and improve application performance and scalability
  • Leverage more than 40 training courses taught by NI and industry experts
  • Attend training in a variety of formats, including online, virtual, and classroom settings

To find training courses for your hardware, visit ni.com/training

Consulting and Integration

NI and the extensive network of NI Alliance Partners provide a wide range of professional services so that together, we can assist you with the design, development, and deployment of even the most complex systems. Take advantage of the team’s in-depth knowledge of NI products and applications with the following services:

  • Prototyping and feasibility analysis
  • Startup, consulting, and development assistance
  • System integration
  • Migration and upgrade assistance

For more information on NI professional services and the Alliance Partner Network, see ni.com/services/consulting/