Education Technology

CBR™ 2 motion sensor

The CBR™ 2 system is our answer to an easy, affordable data-collection device. Designed for teachers who want their students to collect and analyze real-world motion data, such as distance, velocity and acceleration. Great for algebra through calculus and statistics, physical science and physics.

Where to Buy

Key features

CBR™ 2 device capabilities and highlights:
  • Pivoting sensor head for easy positioning (measure distance, velocity and acceleration — up to 50 samples per second)
  • USB connectivity to the TI-Nspire™ CX II family of graphing calculators, TI-Nspire™ CX software, and TI-84 Plus family graphing calculators
  • Record data from 15 cm (5.9 in.) to 6 m (19.7 ft.)
  • Sensitivity switch for normal and track modes
  • Use with dynamic tracks, coffee filters, graph match, ball-toss and other activities
  • Quick Real-time graphing
Compatible with the following calculators:
  • TI-84 Plus family graphing calculators
  • TI-Nspire™ CX II family of graphing calculators
CBR™ 2 system includes:
  • CBR™ 2 sonic motion detector
  • USB CBR™ 2 calculator cable (for use with TI-84 Plus family and TI-Nspire™ CX II graphing calculators)
  • Four AA batteries

Getting started with
the CBR™ 2 system

USB plug-and-collect

The CBR™ 2 motion sensor plugs into TI-Nspire™ CX II and TI-84 Plus families of graphing calculators using the USB CBR-to-calculator cable.


TI-Nspire™ CX II graphing calculator family

single-sensor-Walk-the-Graph-without-avatar_HH2

Using the CBR™ 2 system and the Vernier DataQuest™ App for TI-Nspire™ technology, students can kinesthetically explore motion and graphing with the Motion Match feature.

They simply plug in the CBR™ 2 device and watch the Vernier DataQuest® App launch automatically. Once they choose Motion Match, challenge your students to match the graph by walking back and forth using the CBR™ 2 device. Students enjoy changing their position and speed as they attempt to get the perfect match.





TI-84 Plus CE graphing calculator family

single-sensor-Walk-the-Graph-without-avatar_HH2 Students can also begin collecting data immediately using their TI-84 Plus graphing family calculator using the Vernier EasyData® App. The calculator will automatically launch the app and begin displaying the current distance reading. Also select from several easy-to-use activities that are built in.

Vernier DataMate, Vernier DataQuest and Vernier EasyData are trademarks or registered trademarks of Vernier Software & Technology.

CBR™ 2 device specifications

Built-in functionality

  • Pivoting sensor head (0o – 180o)
  • Measures object distance from 0.15 m – 6 m (5.9" – 19.7 ft.)
  • Compute 1st and 2nd derivatives (velocity and acceleration) on collected distance data
  • Rugged construction: Designed to withstand classroom use
  • Lightweight and comfortable hand-held operation
  • Versatile mounting options with standard camera tripod mounting socket and removable multipurpose clamp which accommodates surfaces of 0" - 2" thickness
  • Self-contained application programs are multipurpose and menu-driven, offering simplicity for the novice and flexibility for the accomplished user
  • Status indicators: red/green visible; dual-tone audible (can be disabled)
  • Choice of units: feet or meters
  • Variable sampling interval: .05 sec - 1500 sec
  • Temperature compensation available for enhanced accuracy
  • Real-time distance, velocity and acceleration
  • Data smoothing options: light, medium, heavy
  • Triggering options: calculator ENTER key; CBR™ TRIGGER button; time delay
  • Repeat Sample option uses existing parameters
  • Easy Sample option quickly initiates a sample using default settings
  • Operates detached from calculator after setup
  • USB port for direct communication with the TI-84 Plus, TI-84 Plus CE, TI-84 Plus CE Python, TI-Nspire™ CX II and TI-Nspire™ CX II CAS graphing calculators
  • Operates as a CBL™ 2 motion probe

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