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Vernier Software & Technology

Go Direct Motion Detector


The Go Direct Motion Detector uses ultrasound to measure the position, velocity, and acceleration of moving objects. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.


The Go Direct Motion Detector accurately tracks objects as close as 15 cm and as far away as 2.5 m. Its built-in temperature compensation automatically adjusts for the difference in the speed of sound in cold and warm locations. Its unique design protects the sensor from falling objects during simple harmonic motion or free fall experiments.

The Go Direct Motion Detector can be used in a variety of experiments:

  • Study position, velocity, and acceleration of carts when mounted on a track.
  • Match graphs created in Graphical Analysis 4 software.
  • Analyze the effects of air resistance on falling coffee filters.
  • Investigate simple harmonic motion by monitoring a mass on a spring.


  • Maximum data collection rate: 30 samples/s
  • Distances measured from 15 cm to 2.5 m
  • Temperature compensated
  • ¼-20 threaded hole for mounting on motion detector clamp
  • 1.5 m USB cable

View the user manual for full specifications

Experiments and Lab Ideas

Select a lab book to see a list of experiments and more information.

Compatibility Requirements

  • LabQuest 2
    LabQuest 2

    Coming Soon

    A future update will support data collection with the Go Direct Motion Detector and LabQuest 2, a standalone data logger.

    Learn more about LabQuest 2 »

  • Computers

    InterfaceGraphical Analysis for ComputersVersion 4.0
    No interface requiredFull support 1

    Compatibility Notes

    1. For Bluetooth® connectivity, only computers running Windows 10 or Mac OS X 10.10 or newer are supported. The computer must also have a compatible Bluetooth 4.0+ radio.
  • Chromebook

    InterfaceGraphical Analysis for ChromeVersion 2.7.3
    No interface requiredFuture support
  • Mobile Devices
    Mobile Devices

    InterfaceGraphical Analysis for iOSVersion 3.2Graphical Analysis for AndroidVersion 3.1.1
    No interface requiredFuture supportFuture support

What’s Included

  • Vernier Go Direct Motion Detector
  • Micro USB Cable

Ordering Information

All prices are for U.S. educators.

NameOrder CodePriceQuantity
Go Direct Motion Detector
Available Spring 2017
Optional Accessories
Motion Detector ClampMD-CLAMP$10


Related Products

Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »

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