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Data Acquisition – DAQ

DAQ System – More than 25 years of Leadership

Keysight has provided data acquisition (DAQ) and switching solutions for more than 25 years. We provide data acquisition solutions for electrical, physical, mechanical, acoustic and signal routing applications up to 50GHz.

Compare data acquisition (DAQ) switch platforms

Define a switching solution with switches, controllers and accessories.

  • Get the Best Value with high quality switching and measurements in compact, cost effective solutions
  • Use on Industry Standards with modular LXI and VXI solutions
  • Use the Keysight’s Application Software to collect, analyze and present your data real-time

Check out Keysight next-generation multi-channel data acquisition (DAQ) system — sample more signals, faster!

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Recognizing and Reducing Data Acquisition Switching Transients - White Paper
Low impedance sources can produce large and fast current transients when switching; creating problems with adjacent channels, transients in the ground circuit that upset digital logic connected to the DUT, or causing the switch unit to reset or hang. This application note describes several techniques to reduce these switching transients.

Application Note 2019-09-27

Make Better AC RMS Measurements with Your Digital Multimeter - Application Note
Learn about the complexity of ac rms measurements and how to deal with them

Application Note 2018-08-17

Practical Temperature Measurements (AN-290)
This application note explores the more common temperature measurement techniques and introduces procedures for improving their accuracy.

Application Note 2017-12-13

Temperature Measurement Solution for Solar Cell and Module Testing - Application Note
This application note highlights key products that can be used to help you effectively and efficiently test solar cells and solar modules, and ensure that they are able to perform optimally.

Application Note 2017-10-25

Using BenchVue to Create and Execute Scan Lists on 3497xA Data Acquisition Units - Application Note
Lean how Keysight's BenchVue software can be used with 3497xA data acquisition units to easily create state information, quickly build automated tests drive measurements to actionable insights faster.

Application Note 2017-07-03

PDF PDF 1.43 MB
How to Characterize a DC-DC Converter Using a DAQ and BenchVue Software - Application Note
This application note provides an easy, step-by-step approach for measuring and plotting several characteristics of a DC-DC converter using Keysight’s 34970A/72A DAQs with BenchVue software.

Application Note 2017-05-04

The Advantage of Universal Inputs in Data Acquisition Systems - Application Brief
Learn how the 34970A/34972A DAQ system offers the versatility and powerful functionality you need to solve your most pressing test challenges.

Application Note 2017-02-03

Connecting Data Acquisition Systems to a Wireless Network - Application Brief
Learn how you can configure and take advantage of the latest router technology with either the 34972A DAQ system or any LXI instrument.

Application Note 2014-08-30

PDF PDF 659 KB
Quickly Identify Thermal Measurement Points For Data Acquisition - Application Brief
Temperature monitoring is a process that traditionally involves an amount of guess work. Learn how a thermal imaging camera can be used to quickly and easily identify temperature problem areas.

Application Note 2014-08-22

Making High-Accuracy Temperature Measurements with the 34970A/34972A Data Acquisition Switch Unit
This application note explains how to wire the VTI Instruments VT1586A rack-mount panel and use it to make high-accuracy temperature measurements with a 34970A, 34972A and 34901A 20-channel multiplexer module.

Application Note 2011-01-10

Efficient use of data logging and decision making w multiple scan lists
Basic data logging allows you to confi gure different measurements across multiple channels, then record the data.

Application Note 2010-04-07

PDF PDF 486 KB
Types of Data Acquisition Architectures
To help you choose a system that meets your needs, this article explains the different types of data acquisition system architectures and explores some of the advantages and disadvantages.

Application Note 2010-02-01

Migrating your Application Software from the 34970A to the 34972A
This white paper discusses how to migrate from existing applications that use the 34970A to the new 34972A Data Acquisition/Switch Unit.

Application Note 2010-01-29

PDF PDF 281 KB
Solar Cell and Module Testing
This application note describes how to decrease costs and increase flexibility for solar cell and module testing with Keysight products and solutions.

Application Note 2009-12-07

Tips for Optimizing Your Switch Matrix Performance
This application note offers eight tips to help you optimize your measurement matrix switching performance and important features to remember when designing your switching solution.

Application Note 2009-10-22

Responding to data logging events using action scripts
Combining data logging hardware and software can give you more techniques to automate extensive and repetitious measurements.

Application Note 2008-10-30

Improve your data logging productvity using advanced limit testing
Improve your data logging productvity using advanced limit testing

Application Note 2008-10-30

PDF PDF 456 KB
A Comparison of Leading Switch/Measure Solutions
This application note compares the features, execution speed and ease of software development for switch/measure solutions used in functional test and data acquisition environments.

Application Note 2005-01-27

Problems Using RS-232 on Keysight Instruments with Laptop PCs running any Microsoft OS
Cause: The RS-232 I/O chip (UART) used on PCs has only a 16-byte buffer. Without real-time flow control, it is possible for buffer overruns to occur, causing a loss of data.

Application Note 2002-10-24

Selecting the Right Data Acquisition System (AN 1412)
Today, we have many choices in data acquisition systems from simple chart recorders to data loggers, on up to high channel count, high performance data acquisition systems. Choosing the best solution will depend on several factors including performance, price and ease of use.

Application Note 2002-08-26

Maximizing the Life Span of Your Relays (AN 1399)
This application note tells you how to maximize your relay's potential life by selecting the right relays for the type of measurements you are making.

Application Note 2002-06-11

Switching Applications with the Keysight 34970A
We put a lot of thought into defining and designing the modules for the Keysight 34970A in order to cover a broad spectrum of switching and signal routing requirements with fewer modules.

Application Note 2001-04-13