This product is now in Test Workflow. Save 60% when you buy with other popular test software.

What Is FlexLogger?

Monitor displaying data acquisition using FlexLogger software.

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

Product Features

Start fast, then scale

Monitor displaying test data using FlexLogger.

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

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.

FlexLogger Applications

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.

Compare Pricing

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.

Engineer using laptop.

FlexLogger Software

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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

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Save more than 50%


Recommended for building test systems with tools for hardware automation, data analysis, automated reporting, and remote access to test.


Includes FlexLogger, plus:


  • 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

Test Workflow Pro

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Save nearly 60%


Recommended for applications that need test sequencing, more data visualization capabilities, and advanced analysis features.


Includes everything in Test Workflow Standard, plus:


  • LabVIEW Professional, with tools for creating stand-alone applications, database connectivity, and reporting for Microsoft Office
  • TestStand, for developing test sequences for validation and production test stations
  • DIAdem Professional, for advanced data visualization and analysis

Subscription Benefits

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

FlexLogger makes it easier to troubleshoot and verify that the raw data from different sensors are correct before I start my test. This helps shorten test development by saving time typically wasted on redoing configurations.

Andy Tarman

CNH Industrial