Vernier MD-BTD Instruction Manual

The Motion Detector is compatible with the following data-collection interfaces.

 Vernier LabQuest

2 or original LabQuest

 Vernier LabQuest

Mini with a computer

 Vernier LabPro

with a computer or TI graphing calculator

 Vernier SensorDAQ

 TI-Nspire™ Lab Cradle

 Universal Lab Interface (requires separate cable, order code ULI-MDC)

Here is the general procedure to follow when using the Motion Detector:

1. Connect the Motion Detector to the interface.

2. Start the data-collection software.

3. The software will identify the Motion Detector and load a default data-collection

setup. You are now ready to collect data.

What is Included with the Motion Detector?

The Motion Detector ships with the detector and a cable that

connects the Motion Detector to LabPro, LabQuest 2,

LabQuest, LabQuest Mini, TI-Nspire Lab Cradle, or CBL 2.

How the Motion Detector Works

This Motion Detector emits short bursts of ultrasonic sound

waves from the gold foil of the transducer. These waves fill a cone-shaped area

about 15 to 20° off the axis of the centerline of the beam. The Motion Detector then

"listens" for the echo of these ultrasonic waves returning to it. The equipment

measures how long it takes for the ultrasonic waves to make the trip from the Motion

Detector to an object and back. Using this time and the speed of sound in air, the

distance to the nearest object is determined.

Note that the Motion Detector will report the

distance to the closest object that produces a

sufficiently strong echo. The Motion Detector can

pick up objects such as chairs and tables in the

cone of ultrasound.

The sensitivity of the echo detection circuitry automatically increases, in steps, every

few milliseconds as the ultrasound travels out and back. This is to allow for echoes

being weaker from distant objects.

This sensor is equipped with circuitry that supports auto-ID. When used with

LabQuest 2, LabQuest, LabQuest Mini, LabPro, SensorDAQ, TI-Nspire Lab Cradle,

or CBL 2, the data-collection software identifies the sensor and uses pre-defined

parameters to configure an experiment appropriate to the recognized sensor.

as a standalone device or with a

Related Manuals for Vernier MD-BTD

Motion detector (3 pages)

Summary of Contents for Vernier MD-BTD

• Page 1 LabQuest 2, LabQuest, LabQuest Mini, LabPro, SensorDAQ, TI-Nspire Lab Cradle, or CBL 2, the data-collection software identifies the sensor and uses pre-defined NOTE: Vernier products are designed for educational use. Our products are not parameters to configure an experiment appropriate to the recognized sensor.
• Page 2 The other sensitivity setting, which we call “Track,” works well when studying lay the Motion Detector on its back and pivot motion of carts on tracks like the Vernier Dynamics System, or motions in which the Motion Detector head so that it is you want to eliminate stray reflections from objects near to the sensor beam.
• Page 3  If the room in which the Motion Detector is being used has a lot of hard, sound- Vernier warrants this product to be free from defects in materials and workmanship reflecting surfaces, you can get strange effects caused by the ultrasound for a period of five years from the date of shipment to the customer.
• Page 4  www.vernier.com Rev. 11/8/12 Logger Pro, Logger Lite, Vernier LabQuest 2, Vernier LabQuest, Vernier LabQuest Mini, Vernier LabPro, Go! Link, Vernier EasyLink and other marks shown are our trademarks or registered trademarks in the United States. TI-Nspire, CBL 2 and CBL, TI-GRAPH LINK, and TI Connect are trademarks of Texas Instruments.