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What Is FlexLogger?

FlexLogger is a no-code data acquisition software engineers use to build validation and verification test applications.

Start fast, then scale

Build flexible, scalable data-logging systems with NI DAQ hardware, no programming required.

-Monitor test during execution with integrated visualization tools
Save data according to your test needs—partition files according to size or time specifications
-Configure mixed-signal measurements and more than 2000 channels in a single project
-Set alarms to be notified of unexpected behavior

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Product Features

Try FlexLogger without Hardware

If you don’t yet have hardware and want to try FlexLogger, you can simulate NI data acquisition hardware with NI-DAQmx in NI Measurement & Automation Explorer (MAX). Explore our getting started example and download the sample project that configures a simulated temperature measurement system.

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What Can I Do with FlexLogger?

Use FlexLogger to get the verification or validation test data you need to make a better product and deliver it on time. Learn more about common applications below.

How Do I…

Troubleshoot Physical Systems

Characterize Component Performance

Flexxlogger Applications
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Your Partner

Buying FlexLogger

FlexLogger is available for purchase as a stand-alone subscription or as part of Test Workflow. Consider the Test Workflow bundle for FlexLogger and more NI Software. Licenses are sold as one-year subscriptions.

Compare pricing

FlexLogger Software

Recommended for engineers looking to build test systems quickly and without any programming.


Includes the standard capabilities of FlexLogger:

-Interactively configure and monitor test
-Save measurement data to a file
-Perform basic arithmetic on channels
-Configure alarms and events

Test Workflow Standard

Recommended for applications that require hardware automation, data analysis, automated reporting, and remote access to test.



-LabVIEW Full, with tools for advanced analysis and signal processing
-G Web Development Software, for building web applications for test
-DIAdem Advanced, for measurement data search, visualization, analysis, and creating automated reports
-FlexLogger, for performing data acquisition with NI hardware without needing to do any coding

Workflow Pro

Recommended for building simple test and measurement applications.

Includes the standard capabilities of LabVIEW:

-Acquire data from NI and third-party hardware and communicate using industry protocols
-Create interactive UIs for test monitoring and control.
-Utilize standard math, probability, and statistical functions
-Integrate code written in Python, C/C++, .NET, and MathWorks MATLAB® software
-Save data to .csv, .tdms, or any custom-defined binary file

Subscription Benefits

FlexLogger and Test Workflow include software services such as access to current and historical versions, technical support, and online training.

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Taking your Engineering
projects to new


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



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Services & Support
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