NI mioDAQ USB Data Acquisition Devices

NI mioDAQ devices, the latest USB data acquisition technology from NI, can take 20-bit, ±10 V measurements and offer simultaneous sampling, ±10 V output channels, and a variety of digital I/O and counter/timer channels for high-performance, flexible test systems.

Which mioDAQ Device Is Right for You?

Lowest Cost

USB-6421

  • 16-bit

  • 250 kS/s (Max. rate: 1 channel)

  • 16/8 AI (SE/DI)

  • 2 AO 

  • 16 DIO

More Channels

USB-6423

  • 16-bit

  • 250 kS/s (Max. rate: 1 channel)

  • 32/16 AI (SE/DI)

  • 4 AO 

  • 16 DIO

Better Measurement

USB-6451

  • 20-bit

  • 1 MS/s/ch1 (Max. rate: 8 channels)

  • 16/8 AI (SE/DI)

  • 2 AO 

  • 16 DIO

Highest Performance

USB-6453

  • 20-bit

  • 1 MS/s/ch1 (Max. rate: 16 channels)

  • 32/16 AI (SE/DI)

  • 4 AO 

  • 16 DIO

1 USB-6451 and USB-6453 have a multiplexed mode for higher channel counts. Refer to the device manual for more information. For detailed device specifications, refer to the hardware model page.

mioDAQ Features

1. USB-C with locking screw

2. Cable lock

3. QR code-guided setup page

4. Up to 20-bit, ±10 V inputs @ 1 MS/s/ch

5. Smart ID pins (software support coming in future driver release)

6. Up to four ±10 V outputs @ 250 kS/s/ch update rate

7. +5 V pin

8. 16 flexible digital I/O lines

9. User LED (software support coming in future driver release)

 

What Can You Do with mioDAQ?

With ±10 V input and output channels, TTL digital lines, and NI’s patented counter/timer architecture, mioDAQ devices enable engineers, researchers, and test professionals to accomplish hundreds of tasks.

Measure

  • ±10 V signals at up to 1 MS/s/ch 
  • Sensors that output ±10 V
  • Voltage drops across shunt resistors
  • Battery cell voltages (±10 V peak cell measurement)
  • Power rails on USB or battery-powered electronic designs
  • Pulse and event counting
  • Quadrature encoders
  • Resolvers
  • String potentiometers
  • Low-voltage current sensors
  • Low-voltage potential transformers
  • And many more

 

Automate and Generate

  • ±10 V output signals
  • Digital output signals
  • External relay (control with digital lines)
  • Generate pulse-width modulated signals
  • Simulate sensors/signals
  • Connect to LEDs
  • Clocks and triggers

Industry-Leading DAQ Software Included

Flexlogger Lite monitor to visualize live data

  • Free logging software—NI FlexLogger™ Lite
  • Seamless LabVIEW integration
  • Documented APIs with example programs for Python, C/C++, C#, and more

mioDAQ Accessories

Each mioDAQ device comes with the following items:

  • One 2 m USB-C to USB-C cable with locking screw
  • Spring terminals with backshells for strain relief
  • NI screwdriver

Mounting Accessories and Replacement Parts

Image Description Part Number

 

DIN clip-only kit for mioDAQ used for horizontal mounting on DIN rail

789986-01

 

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Mounting kit for mioDAQ used for vertical mounting on DIN rail or flat-panel mounting via keyhole. Includes USB-C cable with right-angle connector (P/N 789957-02)

789955-01

 

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19 in. (1U) rack-mount kit for mioDAQ. Includes two USB-C cables with right-angle connector (P/N 789957-02)

789953-01

 

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Replacement: USB-C to USB-C with locking screw, 2 m

789956-02

 

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Optional/Replacement: USB-C to USB-C right-angle, 2 m

789957-02

 

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Replacement: Backshell for 36-position, spring-terminal connector on USB mioDAQ devices (quantity 1)

785080-01

 

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Replacement: 36-position, front-mount, spring-terminal connector for USB mioDAQ devices. 0.13 mm2 to 1.5 mm2 | 26 AWG to 16 AWG  (quantity 1)

785502-01

 

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Replacement: NI screwdriver (quantity 15)

781015-01

 

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Product Documentation

NI provides detailed documentation for our hardware devices:

 

  • User manual—Common user tasks, hardware architecture details, and more

  • Specifications document—Detailed specifications and device pinout

  • Dimensional drawings—2D CAD files and other mechanical drawings

  • Product certifications—Declaration of Conformity (DoC) and any specialty certifications

  • Letter of Volatility—Information about onboard memory and how to clear it, if applicable

 

All mioDAQ devices are supported by the NI-DAQmx driver. Refer to the links below for NI-DAQmx documentation: