Vernier EasyData Guidebook Uživatelský manuál

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Vernier
TM
EasyData App
Getting Started
How To....
More Information
What is EasyData?
What you Need
Quick Start: Graphing Temperature
Quick Start: Graphing a Ball Bounce
Start and Quit EasyData
Change Sensor Units
Collect Multiple Data Runs
Frequently Asked Questions
Error Messages
Collect Data: Time Graph
Collect Data: Distance Match
Collect Data: Photogates
Analyze Data
Calibrate a Sensor
Collect Data: Events with Entry Manually Set Up a Sensor
Connecting Devices
Navigating Menus
Warning Messages
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Strany 1 - EasyData App

VernierTMEasyData AppGetting StartedHow To...More InformationWhat is EasyData?What you NeedQuick Start: Graphing TemperatureQuick Start: Graphing a

Strany 2 - EasyData Guidebook 1

EasyData Guidebook 9 You can connect the CBR 2 motion sensor to a TI-84 Plus calculator and use EasyData to graph the motion of a bouncing ball. Th

Strany 3 - Selecting menu items

10 EasyData Guidebook 6. Once the motion data has been transferred, a graph of the ball’s motion is displayed. 7. Identify a bounce on the gr

Strany 4 - Quitting EasyData

EasyData Guidebook 11 In order to compare consecutive runs of data, it is necessary to store your current data before performing the next data-coll

Strany 5 - To change the measuring unit

12 EasyData Guidebook EasyData has several modes that let you collect data automatically or manually. The five most common modes are listed below.

Strany 6 - To zero sensor readings

EasyData Guidebook 13 To collect data in the Time Graph mode This example uses a force sensor connected to an EasyLink and a TI-84 Plus calculator.

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14 EasyData Guidebook To change Time Graph settings This example uses a force sensor connected to an EasyLink and a TI-84 Plus calculator. Your scre

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EasyData Guidebook 15 In Events with Entry mode, each reading collected from a sensor becomes a y value. After each reading, EasyData prompts you to

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16 EasyData Guidebook You are prompted to type in an x value that corresponds to the sample you just collected. Enter it and select to prepare for t

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EasyData Guidebook 17 In Selected Events mode, each reading collected from a sensor becomes a y value. EasyData automatically assigns the sample num

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18 EasyData Guidebook 5. Repeat the above step for each additional sample to be collected. 6. When you have finished collecting data, select .

Strany 12 - Storing Data

EasyData Guidebook 1 The EasyData App is a graphing calculator application. It lets you collect, view, and analyze real-world data on certain TI-gr

Strany 13 - 12 EasyData Guidebook

EasyData Guidebook 19 In Single Point mode, EasyData samples readings from the sensor for a 10 second period. When sampling is finished, the mean re

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20 EasyData Guidebook Using Motion Detectors In Distance Match mode, EasyData helps to build understanding of graphs by letting you try to create da

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EasyData Guidebook 21 To collect data in Distance Match This example uses a CBR 2 connected to a TI-84 Plus calculator. 1. From the EasyData main

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22 EasyData Guidebook 5. Select to display a new graph to match, or select to match the same graph already displayed. When finished, select to

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EasyData Guidebook 23 To collect data in Velocity Match This example uses a CBR 2 connected to a TI-84 Plus calculator. 1. From the EasyData main

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24 EasyData Guidebook 5. Select to display a new graph to match, or select to match the same graph already displayed. When finished, select to

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EasyData Guidebook 25 To collect data in Ball Bounce This example uses a CBR 2 connected to a TI-84 Plus calculator. 1. From the EasyData main sc

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26 EasyData Guidebook 4. Once the motion data has been transferred, a graph of the ball’s motion is displayed. Scroll through the collected data poi

Strany 21 - Using Motion Detectors

EasyData Guidebook 27 Using Photogates When a photogate is attached, there are four photogate data collection modes that can be used. These data-c

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28 EasyData Guidebook To collect data in Motion Timing mode This example uses a photogate connected to a CBL 2. During the experiment, a Vernier Pic

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2 EasyData Guidebook There are several data-collection devices that can be used with EasyData. These devices include the CBL 2, LabPro®, CBR™, CBR 2

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EasyData Guidebook 29 Options: To use a device other than a Vernier Picket Fence, select from the Motion Timing Settings dialog box and select on

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30 EasyData Guidebook To collect data in Gate Timing mode This example uses a single photogate connected to a CBL 2. During the experiment, a regula

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EasyData Guidebook 31 4. Select to view the corresponding velocity graph. 5. Select to return to the main screen. Options: When collecting

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32 EasyData Guidebook To collect data in Pulse Timing mode This example uses two photogates connected to a LabPro. The gates are spaced 0.5 meters a

Strany 28 - Using Photogates

EasyData Guidebook 33 4. Select to view the corresponding velocity graph. 5. Select to return to the main screen. Options: When collecting

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34 EasyData Guidebook To collect data in Pendulum Timing mode This example uses a single photogate connected to a LabPro. During the experiment, a p

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EasyData Guidebook 35 Miscellaneous Data Collection Titration mode cannot be selected and will only appear if a Drop Counter along with an analog s

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36 EasyData Guidebook After collecting data, EasyData displays a graph of the data, automatically scaled for easy viewing. The calculator is placed

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EasyData Guidebook 37 The EasyData application has many analysis tools with which to analyze data. Refer to the Analyzing Data section for more in

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38 EasyData Guidebook Performing Statistics or Integral calculations Statistics and Integral calculations can be performed over any region of the dat

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EasyData Guidebook 3 Note: EasyData starts automatically when you connect a sensor to the USB port of a TI-84 Plus calculator that is on the home

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EasyData Guidebook 39 Curve Fits There are four types of curve fits available in the menu found on the EasyData graph screen. Each curve fit is un

Strany 36 - EasyData Guidebook 35

40 EasyData Guidebook 3. EasyData displays the curve fit drawn over the original data points. Scroll through the collected data points on the graph

Strany 37 - Graph Screen Overview

EasyData Guidebook 41 Select Region The Select Region feature is used to isolate a specific and continuous region of a data set. Data outside of the

Strany 38 - EasyData Guidebook 37

42 EasyData Guidebook Using EasyData it is possible to save your experimental setup along with any collected data, for later use. When an experiment

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EasyData Guidebook 43 Opening an Experiment 1. Select , and then select Open…. 2. The Open Experiment screen is displayed. Select the experi

Strany 40 - Curve Fits

44 EasyData Guidebook When EasyData detects a sensor, it automatically loads a calibration for that sensor. If you wish to edit a sensor’s calibrati

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EasyData Guidebook 45 6. The intercept for the current calibration is displayed. Press to erase the displayed value. Type in your new intercept va

Strany 42 - Select Region

46 EasyData Guidebook Creating a New Calibration using Two Points 1. From the EasyData main screen, select Setup, and then select CH1: (or the appro

Strany 43 - Saving an Experiment

EasyData Guidebook 47 8. Enter the known value for the second calibration condition (e.g. 1.96 N for a 200 g mass), and select . 9. The Sensor

Strany 44 - Deleting an Experiment

48 EasyData Guidebook Creating a New Calibration using a Single Point This calibration method defines a new y-intercept, leaving the existing slope u

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4 EasyData Guidebook You can change the measuring unit for a connected sensor. With a temperature probe, for example, you can change the unit from C

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EasyData Guidebook 49 7. The Sensor Calibration screen will be displayed with your new calibration slope and intercept values. Select to return to

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50 EasyData Guidebook When using a non Auto-ID sensor, it is necessary to set up the sensor manually before data can be collected. The procedure for

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EasyData Guidebook 51 4. Press to clear the long sensor name. Type in the name of the custom sensor, then select . Press to clear the short

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52 EasyData Guidebook 8. From the Conversion Equation screen, choose the type of calibration equation to be used and then select . Note: most sensor

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EasyData Guidebook 53 In most cases, data collection is initiated by selecting . Another option is to set up triggering. There are two methods of t

Strany 51 - Analog Sensors

54 EasyData Guidebook 4. The Measurement screen is displayed. Choose whether triggering should occur when the readings increase or decrease (Increas

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EasyData Guidebook 55 Manual Triggering In manual triggering, data collection starts when the Start/Stop or Trigger button on the data-collection d

Strany 53 - Digital Sensors

56 EasyData Guidebook Q: May I disconnect a data collection device during data collection safely? A: No, disconnecting a data collection device s

Strany 54 - Software Triggering

EasyData Guidebook 57 Q: Why will Photogate Auto-ID with LabPro and not with CBL 2? A: The firmware of LabPro will allow this to occur and t

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58 EasyData Guidebook Q: Why can’t I calibrate my sensor? A: Not all sensors can be calibrated using the same calibration routine. The availa

Strany 56 - Manual Triggering

EasyData Guidebook 5 When using some sensors, it is useful to set the sensor to read zero under certain conditions. With a force sensor, for exampl

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EasyData Guidebook 59 The table below has been included to provide a helpful explanation of the error messages that may be encountered while using

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60 EasyData Guidebook Message Description The application encountered an error while performing the requested calculation. Some common reasons f

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EasyData Guidebook 61 Message Description EasyData cannot perform the selected operation unless a sensor is set up. Select and either connect

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62 EasyData Guidebook Message Description The requested analysis feature requires more data points than are available in the plotted lists. Quad

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EasyData Guidebook 63 Message Description The minimum calculator OS that will support EasyData is TI-84 Plus OS 2.30 or TI-83 Plus OS 1.16. For

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64 EasyData Guidebook The table below explains the purpose and meaning of messages that may be encountered while using EasyData. Message Descrip

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EasyData Guidebook 65 Message Description The sample interval or # of samples entered is not supported by the current hardware/software combina

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66 EasyData Guidebook Message Description The experiment name entered already is in use. Select and enter a different experiment name. Select

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6 EasyData Guidebook The default EasyData settings are appropriate for a wide variety of sampling situations. If you are unsure of the best settings

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EasyData Guidebook 7 You can connect the EasyTemp™ USB temperature sensor to a TI-84 Plus calculator and use EasyData to watch the effect of holdin

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8 EasyData Guidebook 8. Select to quit EasyData. 9. Select . A message notes the lists in which the data can be found. You have completed the

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