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Data Acquisition (DAQ) Hardware

With more than 50 million I/O channels sold in the last 10 years, National Instruments is the global market leader in PC-based data acquisition (DAQ) with a complete family of DAQ products for desktop, portable, industrial, and embedded applications. Choose from a variety of major buses and form factors, including USB, PCI, PCI Express, PXI, PXI Express, wireless, and Ethernet. Easy-to-use driver software is available for many different operating systems including Windows, Linux® OS , Mac OS X, and Real-Time OSs.

Find the Right Data Acquisition Device

Form Factor
Compact FieldPoint |
CompactDAQ |
CompactFlash |
CompactRIO |
Ethernet |
ISA |
PCI |
PCI Express |
PCMCIA |
PXI |
PXI Express |
SCC |
SCXI |
USB |
Wireless
OS Support
Windows |
Real-Time |
Linux |
Mac OS |
Pocket PC |
RTX
Isolation Type
Bank Isolation |
Ch-Ch Isolation |
Ch-Earth Ground Isolation
Measurement Types
Bridge-based sensor |
Current |
Digital |
Filters |
Frequency |
IEPE accelerometer |
LVDT |
Quadrature encoder |
RTD |
RVDT |
Resistance |
Strain gauge |
Thermistor |
Thermocouple |
Voltage
Analog Input Channels
At least 1 |
At least 4 |
At least 8 |
At least 16 |
At least 32 |
None
Analog Output Channels
At least 1 |
At least 2 |
At least 4 |
At least 8 |
None
Digital I/O Channels
At least 1 |
At least 8 |
At least 16 |
At least 32 |
None
Counter/Timers
At least 1 |
At least 2 |
At least 4 |
At least 8 |
None
Triggering
Analog |
Digital |
Video

Learn how to program your DAQ system through video and text tutorials
Watch the 4-minute video demo on NI FlexRIO
Explore the NI flagship M Series DAQ devices for USB, from 18-bit resolution to 1.25 MS/s sampling rate

Data Acquisition Systems

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NI CompactDAQ

NI CompactDAQ is a complete, USB data acquisition system for low- to mid-channel-count electrical, physical, mechanical, and acoustic measurement and control.

Learn | Configure

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SCXI

SCXI is a modular data acquisition system for high-accuracy, high-channel-count applications covering a variety of sensor types. It is compatible with PCI, PXI, and USB.

Learn | Configure

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PXI

PXI, built on the CompactPCI specification, combines the high-speed PCI bus with integrated timing and triggering to deliver more than 10 times the performance of older measurement and automation architectures.

Learn | Configure

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NI Compact FieldPoint

Designed for industrial control, the Compact FieldPoint programmable automation controller (PAC) offers the flexibility and ease of a PC, and the reliability of a programmable logic controller (PLC).

Learn | Configure

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NI CompactRIO

The CompactRIO PAC is a low-cost reconfigurable control and acquisition system designed for applications that require high performance and reliability.

Learn | Configure

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