NI PCI-6221 16-Bit, 250 kS/s, 16 Analog Inputs

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  • National Instruments recommends using the PCIe-6321 X-Series device for all new applications
  • Two 16-bit analog outputs (833 kS/s); 24 digital I/O; 32-bit counters
  • NIST-traceable calibration certificate and more than 70 signal conditioning options
  • Correlated DIO (8 clocked lines, 1 MHz)
  • NI-MCal calibration technology for increased measurement accuracy
  • Select high-speed M Series for 5X faster sampling rates or high-accuracy M Series for 4X resolution.
  • NI-DAQmx driver software and NI LabVIEW SignalExpress LE interactive data-logging software
  • View Data Sheet  |  Specifications  
  • View Support Resources
The National Instruments PCI-6221 is a low-cost multifunction M Series data acquisition (DAQ) board optimized for cost-sensitive applications. Also consider the high-speed M Series devices for 5X faster sampling rates or the high-accuracy M Series devices for 4X resolution and superior measurement accuracy.

Low-cost M Series devices incorporate advanced features such as the NI-STC 2 system controller, NI-PGIA 2 programmable amplifier, and NI-MCal calibration technology to increase performance and accuracy. To learn more about M Series technologies, device specifications, and information on recommended cables and accessories, please refer to the data sheet and specifications.

Driver Software
M Series devices work with multiple operating systems using three driver software options including NI-DAQmx, NI-DAQmx Base, and the Measurement Hardware DDK. 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 data acquisition device includes a copy of NI LabVIEW SignalExpress so you can quickly acquire, analyze, and present data without programming. In addition to LabVIEW SignalExpress, M Series data acquisition devices are compatible with the following versions (or later) of NI application software – LabVIEW 7.x, LabWindows™/CVI 7.x, or Measurement Studio 7.x; or LabVIEW with the LabVIEW Real-Time Module 7.1. M Series data acquisition devices are also compatible with Visual Studio .NET, C/C++, and Visual Basic 6.

View Data Sheet | View Pricing and Purchasing Information

NI PCI-6221 Complete Package

Each NI PCI-6221 requires:

Roll over icons below to learn why you need each item in the package.

1 Connector Block

1 Cable

NI PCI-6221

Software

NI PCI-6221 and Accessories

NI PCI-6221 - 779066-01 Qty $ 638 each
Required Accessories
Connector Block - Screw Terminal
SCB-68A - 782536-01
Qty $ 322 each
Cable - Shielded
SHC68-68-EPM Cable (2m) - 192061-02
Select length:
Qty $ 140 each
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Optional Accessories
Hardware Subtotal: $ 1,100

Software

Note : You should only purchase this device without software if you already own compatible application software. [View Full List]
LabVIEW Full Development System for Windows (English) , 1 year SSP - 776670-35 Qty $ 2,999 each
LabVIEW Application Builder for Windows - 776675-35 Qty $ 1,499 each
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Software Subtotal: $ 0

Package Price: $ 1,100

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Extended Warranties

National Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:

  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

For more information about your warranty options:

Calibration

NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. NI provides manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many NI measurement products.

Training

NI training is the fastest, most certain route to productivity with NI tools and successful application development.

Repair Services

Return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.

Technical Support

ni.com/support

Additional Product Information

  • View Data Sheet