Vernier EasyData Guidebook Manuel d'utilisateur Page 1

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

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

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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