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What is DAQ?

Data acquisition (DAQ) is the process of measuring an electrical or physical phenomenon, such as voltage, current, temperature, pressure, or sound. A DAQ system consists of sensors, DAQ measurement hardware, and a computer with programmable software. 

Data Acquisition Basics and Technology
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Turning Real-World Data into Insights

Every data acquisition task has its own set of requirements. To help meet your unique needs, NI products range from plug-and-play DAQ devices for fixed and repeatable measurements, to scalable and flexible modular DAQ systems. Our versatile driver is extended by NI data acquisition-specific software and supports third-party programming languages.

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Accurate

Maximize the absolute accuracy of your measurements with NI’s industry-leading performance for automated data acquisition.

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Flexible

Build mixed-measurement systems tailored to your needs and swap out or add hardware as your needs change.

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Scalable

Choose from hardware options that let you control multiple data acquisition systems as part of one synchronized application.

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Programmable

Program your hardware with the same API in your choice of language, including G, Python, ANSI C, C#, and .NET. Or, use interactive software without writing code.

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SYSTEMS
DAQ System Options

NI offers PC-based systems with plug-and-play DAQ devices with fixed functionality or configurable systems that let you mix and match hardware.

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PC-Based Systems

Achieve electrical and physical measurements with a customizable, accurate, yet cost-effective way to conduct benchtop measurements.

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CompactDAQ

This portable, flexible approach is ideal for applications with a wide mix of measurement types, where scalability and flexibility are important. Hardware ruggedness makes it a great fit for high-channel-count distributed applications in the field.

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CompactRIO

Take advantage of real-time data processing capabilities, sensor-specific conditioned I/O, and a closely integrated software toolchain for long-running, industrial data acquisition applications.

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PXI

Use this modular approach for high-channel-count data acquisition and sensor measurement applications. Systems range from tens to hundreds of channels, mixing and matching measurement functionality and output capabilities.

Find the Right DAQ Hardware

NI’s DAQ devices are divided into categories to help you easily find options that meet your needs. Select by measurement type, such as temperature or strain, or common form factors, including USB.

Measurement Types

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Accessories

Voltage

Current

Temperature

Sound and Vibration

Strain, Pressure, and Force

Power Accessories

Connectors

Cables

Sensors

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Products to ENGINEER THE FUTURE
Software

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Control Your DAQ System

NI’s DAQ devices include the NI-DAQmx driver, utilities, and getting-started examples. It integrates with development environments such as LabVIEW, or application software such as FlexLogger™ software, to create an application without coding.

DAQExpress™

FlexLogger™ Software

LabVIEW

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Selecting DAQ Hardware

Identifying the right DAQ system or device for your project requires considering many factors. Here are some helpful resources to guide you toward an approach that delivers the data you need to make business decisions.

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Your Partner
at EVERY STEP

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DAQ Resources: Sensor Fundamentals

Sensors that convert real-world phenomena (such as temperature or pressure) into measurable currents and voltages are essential to data acquisition. Learn more about sensors through practical examples in our tutorials.

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Services & Support

From the moment you unbox your hardware, through deployment and life-cycle maintenance, NI and Cyth are here to help you get started quickly and operate efficiently.

Overcome your challenges with:

Repair Services

Life-Cycle Services

Configuration

Calibration

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