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DO103 Flash User Guide.qxp

1. Create a setup using the required experiment parameters in Meters Graph or Timer Save the setup in the My Experiment Setups folder and enter the setup file description A directory will be created with the same file name which contains a default index html file This is the file that you will replace with one of your own worksheets Exit the program Synchronise your PDA with the Desktop computer to copy the setup information to the Desktop Note Ensure that the files option of ActiveSync is switched on this will automatically synchronise the My Documents folder of the PDA to the PC As the My Experiment Setups folder is within My Documents the newly created setup will be copied to the PC automatically On the desktop computer load an application that is suitable for creating your own worksheet i e one that can save HTML format files such as MS Word MS Publisher or MS FrontPage Create your own worksheet In case any editing is needed at a later stage save the worksheet in the applications normal format e g as a Word document Save the document again as an index html file into the directory that has the same name as the setup file Note Ensure that the file is saved as html some applications will save as an htm file which will then not work correctly with the Workroom application If this happens rename the file to add the missing so htm becomes html Applications used to create HTML files
2. mooo rane aa mpo ed File Menu New Can be used as an alternative method of opening the New Recording Wizard Open Used to load previously saved data Locate the correct sid file and tap to open Save Provided the file has been saved previously the data will be automatically saved retaining the name given the first time it was saved AL x y Intitled Function Average x a v 1 Temperature v a a wok eb New Open Save Save As Save Selection As Setups gt Interface About Collect remote data Exit Save As A dialogue box will open to allow the captured data to be saved using a filename and destination of your choice Files are saved in sid format Save Selection As Used to save a selection of the collected data Select the data required from the Table or Graph display Click on Use selection and the display will change to use only the data selected Select Saved Used Selection As and a dialogue box will open to allow the captured data to be saved using a filename of your choice Files are saved in sid format Note This option will not be available until the Use Selection option has been used Setups To open an existing setup save the current setup or launch the Workroom Interface To select the type of interface being used and the serial port to which it is connected About For the version number of Graph Collect remote data The Remote opti
3. Such as MS Publisher may want to create more than just the index html file e g pictures to go on the page that have been saved as GIF or JPG s If this is the case ensure that ALL of the files are saved in the same folder Re Synchronise the PDA to ensure that the modified created HTML file is transferred back to the PDA Load the Workroom program Select the My Experiment Setups folder and then the experiment worksheet from the list it will be listed using the textual description given during the saving process The HTML worksheet will open together with the Launch window File Menu Launch Experiment Can be used to launch the selected experiment Import This is used to move Setup files saved in a different storage Launch Experiment location into the My Experiment Setups folder Import Launch Meters PA hase Used to start Meters without first loading a worksheet Launch Timer Launch Graph Interface Used to start Graph without first loading a worksheet About Launch Timer Used to start Timer without first loading a worksheet Interface Used to select the interface and the connection being used The program will save your selection so it will be automatically configured when Sensing Science is next used About For the version number of Workroom Exit Used to close the Workroom application 67 68 Notes
4. Speed Time and Speed atA Length of single interrupt card Time and Speed from A to B Distance from A to B 54 Velocity Velocity at A Length of single interrupt card Velocity at A then at B Length of single interrupt card Velocity at A or B Length of single interrupt card Acceleration Acceleration at A Segment length of a double interrupt card Acceleration from A to B Length of single interrupt card Measurement at A Uses one sensor connected to Input A Timing starts when the signal changes and stops when it changes back i e for an object passing through a light gate the recorded time is the duration of the light beam being interrupted If used with Timing mats it will record the duration of an object being placed on the mat Measurement from A to B Uses two sensors connected to Input A and B A measurement is taken for the time an object takes to travel from the sensor at Input A to the sensor at Input B Timing starts when the signal at Input A changes and stops when the signal at Input B changes Measurement at A then B Uses two sensors connected to Input A and B Three measurements are recorded of an object travelling from the sensor at Input A to the sensor at Input B The measurements are 1 Time to pass through Sensor A 2 Time to pass through Sensor B 3 Time to travel from A to B Measurement at A or B Uses two sensors connected to Input A and B A single measurement will be taken from whichever sensor detects the
5. a b The values for xand ory can be Time in s or cs Reading or Data channel a amp b are constants i e a number or scalar cis an offset or intercept number x 2 Temperature a Example an experiment looking at energy transfer through y 1 Temperature v b a polystyrene cup The difference between the two temperature probes one inside amp the other outside the cup can be calculated using the ax by function 123 4 8j9 o Tabja w e r t y u i Jo p i eane ee H Example an experiment to investigate electrical power and its relationship to the size of current flowing Power is calculated using the axy function Power current x x voltage y The value of a 0 001 is used to convert the measurements for current in mA to Amps Note Up to a maximum of 7 data sets are available Use the Erase data set option to delete any mistakes 43 44 To calculate an Average Select the Function Wizard Select the function as Average x a where x is the selected data channel and a is the frequency of sampling e g if a 5 an average will be calculated for each set of 5 samples Click on ok To enter Data Manually Select the Function Wizard Select the function as a where a 0 Rename the column amp Eo Ji enter the units as appropriate No of dp a Click on ok Acolumn full of zeros will be created Double tap on a cell and enter the value
6. a suitably equipped printer with an IR port In order to print using IR an additional application is required e g PocketShot from Field software Once installed this software will allow a screenshot from the PDA to be captured and either saved as a BMP file or printed directly to an IR equipped printer To download files Use ActiveSync to move the saved file to a desktop computer e g a SID data file and load into the PC Windows version of a suitable application e g Sensing Science Print from the application on the desktop computer Resetting the PDA If the PDA should fail to respond a Reset can be performed this is similar to a computer reboot It will not cause the deletion of the Sensing Science application or any files that have been saved to memory Any data that is the process of being input or edited without being saved will be deleted To perform a Reset locate the reset button usually in a small recess somewhere on the back or bottom of the PDA press this button using the stylus The unit will switch off and then almost immediately bleep and re start showing the Today screen A Full Reset can be performed if the reset fails to solve the problem This will delete all data from memory and returns the PDA to its status when first purchased the Sensing Science program will be deleted from the PDAs memory Before performing a full reset remove the EasySense Flash Logger from the CF slot Check in the PDAs h
7. are NO serviceable parts inside the EasySense Flash Logger Information for PDA Users There are some useful notes on Using Pocket PC s in the Classroom available to download from our website www data harvest co uk The following information has been extracted from these notes Closing applications PDAs do not automatically close programs when they stop being used It is important to exit each Sensing Science application before opening another e g exit Meters before opening Graph If not both applications will try and talk through the same communication port To prevent this happening always use File and then Exit to close an application Note PocketPC 2002 adds an X icon to the top right corner of most applications which looks like an exit icon however it will not actually terminate the program it simply closes the window but keeps the program running 13 14 To close any programs running either e Start Menu select Settings select System from the row of tabs Memory Running Programs and select Stop All e Do a Reset Use a third party application to close a program Printing Information A Print option is not available in the CE version of the Sensing Science application It is possible to print a screenshot using an additional software application or by downloading files to a desktop computer and printing from there To print a screenshot PDAs have an Infrared IR port that can be used to communicate with
8. change in signal level The measurement will be the time to pass through sensor A or sensor B To Begin Recording Data Click on the Start icon Timing measurements will begin when the sensor detects an event During logging the Start icon will change to a Stop icon Measurements will be taken when A or A and B are interrupted and will automatically be entered into a table and or a bar chart Measurements will stop being recorded when either the number of events selected has been reached or if you tap on the Stop icon When measurements have stopped the icon will revert to a Start icon To continue collecting measurements to add to the existing data simply tap on the Start icon To clear the collected measurements and retain all the present settings select New from the File menu To clear the collected measurements and make changes to the existing settings tap on the new recording wizard icon Displaying Captured Measurements When measurements have been taken the display can be altered either by selecting Table Bar Graph or Table and Graph from the Display menu or by moving the window divider 55 56 Altering the Vertical Axis on the Bar Graph To alter the measurement displayed on the vertical axis of the bar chart tap on the data name above the vertical axis e g tap on Time to change to Speed and vice versa Subsequent clicks will cycle the axis display through the data channels available The s
9. saved Setups About Interface Used to select the type of interface being used and the serial port to which it is connected Setup Menu The settings for an experiment i e the sections open and the options for these sections can be saved as a Setup file This allows the use of the same settings at a future About date without going through the setup process This feature is useful if used with a prepared worksheet for pupils to follow When a setup is saved a folder is created with the same file name This folder contains a blank HTML file called index html This index html file can be edited or replaced with one of your own worksheets Interface Open Setup Save Setup Workroom Section Options A setup file can be opened either using Open Setup or via the Workroom application Open Setup Tap on Setups and select Open Setup Select the My Experiment Setups folder and the type as Meters Setups Tap on the Meters Setup file to Open To open the Setup file with its accompanying worksheet use the Workroom application Save Setup Setup the parameters for the experiment e g the Numeric section displayed as Full size with a temperature range of 10 to 40 C with Input No 1 as the selected sensor Tap on Setups and select Save Setup Use the keyboard to type in a suitable filename Save your setup inside the My Experiment Setups folder as a Meters Setup in the Main memory Tap on O
10. sensors that have either multiple ranges or are capable of user calibration 4 Timer This application is used to allow students to study Time Velocity and Acceleration relationships using digital switch type sensors 5 Workroom The purpose of this application is to allow the selection of experimental worksheets activities Note All of the screenshots in this manual are from a PocketPC Whilst the appearance of the software may vary slightly when used with Handheld PC all of the instructions and descriptions remain the same Pocket_PU Selecting the Correct Interface The first time one of the programs in Sensing Science Laboratory is used an Interface option window will open to allow the correct interface to be selected A Untitled Select Flash Logger as the correct interface from the drop down menu Click on ok The program will save your selection so it will be automatically configured when next used The Meters Program eecocococococooooocooooooocoooooooooooooooooooooooocoooooooooooooooooooooooooooocoooooooooooooooooooooocooooooooooooooooooooooooooooocooooooooooooooooooooooooooooooooooo Do NOT attempt to run Meters at the same time as other Sensing Science programs as it will be unable to establish communication Starting Meters Select Start Select Programs Select the Sensing Science folder Select the Meters icon The Four Types of Display Up to four section windows can be open at any o
11. some Smart Q sensors are used with the EasySense Flash Logger m The power requirements of the original Smart Q Motion sensor Product No 3270 make it unsuitable for use with the EasySense Flash Logger A Smart Q Motion sensor with integral battery pack amp power supply Product No 3705 has been designed to work specifically with the EasySense Flash Logger Contact Data Harvest for further information m Only one Smart Q Heart Rate Product No 3147 or Geiger Muller Product No 3265 sensor can be used attached to the EasySense Flash Logger at anyone time m The power requirements of some of the Vernier sensors can make them unsuitable for use with the Smart Q Vernier adaptor e g the CO2 Gas sensor m The Pendulum Sensor Product No 3155 and the original design of the Light Gate metal body type the Crocodile Clips Product No 3260 and the Timing Mats Product No 3255 have leads that terminate in a mini DIN plug male To connect these sensors to the Flash sensor lead a female female 8 pin mini DIN adaptor Product No 3710 is required Contact Data Harvest for further information Power Requirements The EasySense Flash Logger takes its power from the computer PDA or Tablet and has no ON OFF switch Inserting or removing the Flash Logger while the PDA is off may cause the PDA to turn on automatically Due to the many variants it is not possible to quote any expected operation times for a PDA that is run from batteries with
12. the Analysis menu Interval Select Interval and tap on a point in the graph to produce a fixed vertical cursor Drag to a second point on the graph A box will be drawn around that section of the graph and the values selected will be highlighted in the table A Pend1 Amplitude Pendulu The Information bar will display the time of the first point the f um Perai Pene time at the second point and the interval between them 1 sa 45 ast ER EH O O O P 4 20 sec to 5 30 sec 1 10 sec Tap and drag to take a new interval reading Jo File Edit Display Analysis Tools Ej De select Interval by re selecting it in the Analysis menu Note This option is not available with an XY graph Area This feature is used to calculate and display the area under a chosen section of the graph The calculation is performed for the data selected on the Y axis Select the appropriate data channel Click and drag across the appropriate section of the graph Lines will appear to mark the section The value for the area marked will be shown in the information box The units correspond to the product of the units of the vertical and horizontal axis De select Area by re selecting it in the Analysis menu File Edit Display Analysis Tools aj Note This option is not available when in Primary mode or with an XY graph 37 38 Gradient This feature calculates the rate of change of data in the vicinity of the cursor T
13. the EasySense Flash Logger attached The main factors that will affect operation time include the brightness of the PDAs screen setup the power settings used to auto switch off the PDA if not used for a specified period and the quantity and type of sensors attached The battery power time will be reduced when Smart Q sensors that draw a lot of current are used e g Heart Rate Geiger Muller and Light Gates It is preferable to use the PDA connected to an external power supply when these sensors are to be used for extended periods of time 11 12 When data is being recorded by clicking on the Start icon in Graph or Timer or by opening one of the section windows in Meters the PDA will not auto switch off If data is to be recorded over a long timespan it is advisable to connect the PDA to an external power supply If one of the applications in Sensing Science has been opened but no recording has been started then any auto switch off settings will be used If the PDA shuts down press the power button to return to the application Note Jo prevent the PDA being shut down when used with an external power supply go to Start Settings System Power and deselect the tick next to the on RE Help external power Selection i g Pocket_PC Main battery Note Sensing Science is not an embedded application so if all power is lost then the Sensing Science program and any saved files will be deleted from its memory To pr
14. the different features Decimals that can be used in data display ae Full Screen Decimals Used to switch decimal numbers on and off from the section display If decimals is ticked values will be displayed in decimals Without decimals selected the reading will be truncated to a whole number Show Min Max Used to switch the maximum and minimum value indicator on and off from the displays If the Show Min Max is ticked the maximum and minimum value will be displayed Deselect the tick to remove the indicator from the displays Temperature Range Sensor Setup Reset Interface Reset Min Max Tap on Reset Min Max in the Options menu to reset maximum and minimum values Full Screen Any one section Changes Gauge Dial or Numeric can be used as a full screen window Select Full Screen in the Options menu to display a section as full screen size While the Full Screen option remains ticked a section will automatically open as a full screen size window Deselect the tick to return to a quarter size screen Note Only one section at a time can be open in full screen mode Temperature Range For many experiments the temperature range is too large The temperature set range option allows a smaller range to be set Intro To set a temperature range Maximum Temperature Select Temperature Range from the Options menu GERS Use Temperature Range e Use the keyboard to enter the new maximum and minimum tempe
15. used for the X axis sot Reading Number the X axis will be set to the number of single readings taken from a sensor without any regular time interval between them This axis is normally used for Snapshot data Sensor the X axis is set to use one of the data channels To alter the data channel selected tap below the X axis on the Graph window to cycle through the channels and make a selection Note This option will not be listed when used in Primary Mode Options Show Grid places a faint grid on the graph Show Table if this box is not ticked then a graph will automatically fill the 33 34 window If ticked then the window will automatically be divided to display both the Table and the Graph window Position the stylus over the window divider and drag up or down to alter the size of the Table window Overlay Mode allows a new set of data to be graphed without the previous set of data being erased useful for repeating an experiment to compare data If Overlay is selected when in Snapshot mode the readings taken are added to the end of the existing data Note A maximum of 7 data sets can be displayed on one graph Click on ok for the options selected to be used Zoom Once data has been collected an area of the graph can be magnified so that it can be seen in greater detail Select Zoom tap and hold the stylus on the screen drag the rectangular box that appears over the area to be magnified I
16. Contents Page EasySense Flash Logger What s IN the pak sipasssicvin ioaea e aaa a a deaa 4 Whatels is reguired sonini iania a a aa 5 amp 6 Installing the Sensing Science Laboratory software _ 00008 6 amp 8 System SetuP serpan ae aaa Na E a E aaa a 9 Smart Q S nsorsS sursis e a U 10 Power Requirements sassssssssnnnsnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnna 11 Technical Specifications aicislachincenttiivinwhaetitnideniaies 12 Information for PDA Users asssassssssssnnnsnnnnennnrennnnnnnnnnnnnnnnnnnnnnnnnnnnn nnne 13 Pr blem Solving awaniri a a aa a 15 The Sensing Science Laboratory CE Software Sensing Science Laboratory Software ssssssesnrressrrrsesnrrresrrreesrrreen 18 Selecting the Correct Interface ooo ccceccccsseeceecceeeeeecseeeeeeseesesessaaees 19 The Meters Program ou eeeccesssseeessseeeesseeeeeesseeeeeesseeeeeessseeensssaees 19 24 Ganges tects cee EA 20 Gauge sec eA ated ets eh ae 21 NAM EE N PE cect A sours nase E E AA ANE E E A ae aoe tenes 21 NUMEO zispar a eR 22 Options Men srra 22 24 Decimals Show Min Max Reset Min Max Full Screen Temperature Range Sensor Setup Reset Interface D0103 Revision 1 PNG Menu ccstssevosiicesecetnicasiieasreadnencursiusntodermevarcnesent E Interface Setup Menu The Graph Program atissvesvadsdeesicdseietiivetieeeealeeetaieennos The Graph WiINdOwW sero A Recording Measurements Primary Mode cccsssseseceeese
17. K The file will be saved as a Meters Setup Ssi file You will then be prompted for a description of the Setup file Use the keyboard to type in a clear description e g to explain what the Setup is meant to record or the name of the worksheet that accompanies it This description will be displayed in the Workroom application Click on ok When the Setup file is saved a folder with the same file name is created This folder contains a blank HTML file called index html Note The setup file saves the number of the input that has been allocated to a section not the sensor type For example if four different sections have been saved with Temperature in 1 it will load the four different sections with whatever sensor is connected to Input 1 on the interface About For the version number of Meters and the Sensing Science program Exit To exit the Meters program 25 26 The Graph Program Do NOT attempt to run Graph at the same time as other Sensing Science programs as it will be unable to establish communication eesococoooooooococooooocooooococoocooeooooooocooooooooooooocoooooooococooceoooooooococoocoseocoooooocooooooooooooocoooooooococooooocooooococooooooooooooocoooooooooooooooo Starting Graph Select Start Select Programs Select the Sensing Science folder Select the Graph icon Displayed Data Channel Graph Display Window m Window Divider Table Information Window New Recording Wizard gt Il sh
18. Logger into the CF slot on the Tablet PC Windows will automatically detect that a new device has been connected and a wizard will be generated to aid installation Use the install from a specific location option and direct the installer to the Flash Driver folder on the Sensing Science CD ROM You may be warned that the drivers have not passed Logo signing please continue anyway at this point Upon completion of the installation eject the CD ROM and store safely System Setup 1 Connect the EasySense Flash Logger Align the EasySense Flash Logger with the CompactFlash slot Gently but firmly insert the EasySense Flash Logger into the CF slot as far as it will go Note To fake into account the variation in design of PDA cases it was necessary to make the Flash Logger slightly longer than the depth of the standard CF slot This may result in a gap between the Flash Logger and the case of the PDA 2 Connect a Smart Q sensor to the inputs socket Hold the Smart Q sensor housing with the m Smart Q label showing on top Push the mini DIN plug on the Flash sensor lead supplied into the socket on the sensor A housing with the locating arrow on the cable A N facing upwards ie ie to Flash Support the EasySense Flash Logger with one meaty A hand and insert the RJ45 plug from the other plug to Sensor end of the sensor lead into one of the sensor sockets on the top of the Flash Logger To remove a se
19. Time 6 9 cm 46 3 ms 1 490 mjs readings will be displayed in the information window It is possible to continue to select second readings to compare with the first reading Deselect Difference to finish Average This option will calculate the average of the selected readings Start by selecting the readings Select Average from the Analyse menu The average of the selected readings will be shown in the information window As new readings are selected the average will be recalculated Deselect Average to finish Graph Data collected in Timer can be imported direct into the Graph program Click on Graph As the Timer program is still open the Graph program will display a communications message as it loads to warn that the Serial port is already in use Click on OK The Graph program will load with the captured Timer data Any data that has been entered into an altered comment column will be transferred as a data set For example Alter the Comment column heading to Distance Measure the Speed at A of a vehicle travelling down a ramp at different start points Record the distance travelled each time in the distance column Select Graph from the Analyse menu Plot an XY graph of Speed against Distance travelled The Timer program will remain open in the background Remember to return to the Timer program after Graph to exit the program correctly 59 60 File Menu New Used to clear the exist
20. Use the New Recording Wizard to set up the recording method i e Real time Time span Snapshot or X vs Y If the recording is to be against time select the duration Ignore the sensor selection window as the Setup file will be automatically set to whatever sensor is plugged into the interface Set any special start conditions From the Display Wizard select the display type the X axis and the options available i e Grid Show Table and Overlay Timer Select Primary or Advanced mode e Use the New Recording Wizard to set up want you want to measure i e Time amp Speed Velocity or Acceleration Select whether from at A from A to B at Athen B at Aor B Enter the parameter value i e card or segment length or distance from A to B Select mode of capture and the display options Saving a Setup Select Save Setup from Setup in the File Menu of the APPIENO The Save As dialogue box will open Save the setup into the My Experiment Setups folder Name i i i r men Type in a suitable filename and tap on OK oe yer aak E Type The next part of the saving process is for a textual k description of the setup file this description will be displayed to the students when they open the NAAOSOROOUSEC file from Workroom i S A ee ee Type in a description ok snutt 2 x v b n m _ 17 CEM A S E a C 64 The Setup is saved together with a directory created with the same file name
21. ardware manual for instructions on how to execute a full reset or memory initialise After performing the full reset re install the Sensing Science program Note With some types of PDA a backup of the memory data on the PDA can be made using a CompactFlash memory card This can be used to restore data to your PDA should all power be lost or if a full reset has to be performed Problem Solving 1 Resetting the EasySense Flash Logger If the software loses contact with the EasySense Flash Logger during use try selecting either Reset Interface in the Meters application or select Interface from the File menu in Graph or Timer and click on OK If that doesn t solve the problem exit the application in use remove EasySense Flash from the CF slot Reset the PDA press the reset button using the stylus and insert Flash Logger Restart the software application required 2 To uninstall any previous versions of the Sensing Science software from the PDA On the PDA select Start Settings System Remove Programs select DHG Sensing Science Laboratory or Primary from the list and select Remove If any remnants of the program are left in the PDA or PC the Sensing Science Install Wizard on the PC will show a modify repair or remove the program page Select Remove and then re install as standard 15 16 3 Unrecognised Card Unknown card in Socket 1 This message will be displayed if the Flash Logger has been connected to the PDA bef
22. bcty Tap on New Setup and the recording wizard will O Acceleration open Select what is to be measured Time and Speed Velocity or Acceleration Click on the Next button to move to the next step Select what you want to measure e g Time and E Timer Speed at A or Time and Speed from A to B What do you want to measure C Time and Speed at A Time and Speed from A to B Use the keyboard to type in the measurement required i e either length of card segment or Length of Card cm f Distance from A to B cm distance from A to B Click on Next to move to the next step Select the capture and display options Data can be captured as a single event repeated events or the persed A e ingle Evel number of events can be specified aai O Sequence of events Select whether to have the data displayed as a table tum ea as a bar graph or both This choice can be changed ee at any time during and after recording e Tap on the Units button to specify the units and number of decimal places displayed 0 to 0 0000 Decimal Places Units Each measurement has its own drop down menu Time 0 0000 speediVeocty Parameter Units accelaration Time ms milliseconds and s seconds Speed Velocity m s cm s mm s mph km h Acceleration m s2 cm s2 mm s2 Click on ok to finish ns Advanced Mode Options The complete options available in Advanced mode are Measurement Parameters required Time and
23. cale is automatically adjusted to the largest value collected Using the Comments column In the table double tap on the relevant cell in the Comment column A dialogue box will appear for you to add text or numbers from the keyboard To Edit or Delete double tap on the comment to re open the dialogue box and alter as required The heading at the top of the Comment column can be edited e g Comment changed to Distance Tap on Comment at the top of the column and change the title Data entered into this non comment column will be saved as another data set For example Alter the Comment column heading to Distance Measure the Speed at A of a vehicle travelling down a ramp at different start points Record the distance travelled each time in the distance column Select Graph from the Analyse menu Plot an XY graph of Speed against Distance travelled Selecting Data To select an individual reading Tap on either the reading in table or at a point on the bar graph The reading will be highlighted in the table and marked with a horizontal cursor in the bar chart Any data or text that has been added to the comment column will be displayed in the information window To select a series of readings tap on the first reading use the keyboard to select the SHIFT key and tap on the last reading To deselect the readings tap on the SHIFT key and then tap outside the data in the table area To select more than one r
24. des Primary and Advanced Primary Mode Click on Options to check which mode the program is running in If Advanced is ticked the program will be running in advanced mode deselect for primary mode Primary mode has a simple one stage Record Wizard that is used to measure Time and Speed from A to B E Timer b Tap on New Setup and the recording wizard will Measure Time and Speed from A to B open Distance From A to B 15 0 Jem Speed Decimal Places i Speed Units ms X Measure the distance between the sensor connected Display captured data as Table to Input A and the sensor at Input B Use the Z Bar Graph keyboard to type in the value Select the number of decimal places and the units for display from the drop down menu Capture Repeated Data 51 52 Select whether the data captured is to be displayed as a table a bar graph or as both this choice can be changed during and after recording lf the Capture Repeated Samples box is ticked successive measurements will be recorded If not a single measurement will be taken Note f the distance between the sensors is changed during an experiment the distance value in the Record Wizard must also be altered to ensure accurate calculation of speed Advanced Mode Advanced mode uses a three step record wizard to set up g prm the available options before capturing data What do you want to measure Time and Speed ve
25. e it is thought a line from the sensor is going has gone Click with the stylus at different points on the graph to fix the line in position To stop re select Predict from the Tools menu Click on Pause to cancel the freeze and display the hidden graph Predict can be reselected to make multiple predictions Use Erase Predictions from the Tools menu to delete any unwanted prediction lines To make a prediction using a different sensor tap to the left side of the Y axis until the required sensor is selected Note The Predict option is not available when in Snapshot mode or with Reading number selected as the X axis 39 40 Smooth Used to even out the data of a selected line by applying a moving average Select Smooth from the Tools menu The currently selected data channel will be shown in the dialogue box To alter the channel tap on the arrow and select from the drop down menu The Y axis will alter to reflect the channel selected Click on the gt button to smooth or lt to reverse the process The smooth level advances at one unit at a time for the gt symbol and 5 units for the gt gt symbol Close the window when the smooth level is correct Text Used to annotate the graph with text boxes that can be placed at any position in the graph area Text boxes have a line that is used to point to the area to which it refers Ensure that the graph is stopped or paused Select Text from the Tool
26. e list Click on the Set Range button The current range selected will be highlighted Note f no choice is available the message This sensor is not configurable will be displayed Select the required range and tap on ok Calibrate All Smart Q sensors are supplied calibrated Certain sensors allow the user to adjust the calibration constants to the conditions of the experiment This part of the program allows the user to adjust the sensor reading at either two or three points in its range The adjustments made will affect the whole sensor range between and beyond these points The accuracy of the user calibration will depend upon the number of calibration points used and their spacing For example The pH sensor has a default calibration set for operation at a temperature of 25 C If the samples being measured are at a lower or higher temperature then this default calibration may be improved by manual calibration Buffer solutions are used to set the values for the calibration points It is essential that the buffer solutions used are at the same temperature as the samples in the experiment and that the calibration point entered is for the value of the buffer used at that temperature For example a buffer solution with a pH of 7 01 at 25 C can change its value to 7 10 at 5 C or 6 98 at 40 C Select the sensor requiring configuration from the list Click on the Calibrate button Note f no choice is available a messag
27. e to say This sensor cannot be calibrated will be displayed 47 e f only two samples are available for setting the E Sensor Configuration _6 54a_ b calibration points tap to deselect the tick in the Use Three point calibration box Only the First and Last calibration points will then be available Instructions Set the last test condition and click Next Use the keyboard to type in the value of all the buffers that will be used Gument routing wing Default Calibration Current User Calibration Place the sensor in the sample with the lowest value e g pH 4 buffer When the displayed reading stabilises click on the Next button amp an ADC value will automatically be entered into the First Values box Place the sensor in the mid range sample e g pH 7 buffer When the displayed reading stabilises click on the Next button amp an ADC value will automatically be entered into the second Values box e Place the sensor in the highest value sample e g pH 10 buffer When the displayed reading stabilises click on the Next button amp an ADC value will automatically be entered into the Last Values box The message The User range has been programmed will be displayed These user calibration values will be stored in the Smart Q sensor and will be retained even when the sensor is not in use Click on the Set Range button and select User calibration as the range The lower section of the Ca
28. eading use the keyboard to select the CTRL key it will highlight and then tap on each reading in turn To deselect all readings deselect the CTRL key and then tap outside the data in the table or bar graph Use Selection This option allows the user to select and use only the data points of interest Select the data required Select Use Selection from the Display menu Deselect to restore the original display of data To Delete Data Select the row or rows of data to be deleted Select Delete from the Edit Menu to permanently erase the selected items Note Delete will not be available whilst logging 57 58 Analysing Captured Data Select the required option from the Analyse Menu Note When used in primary mode the Graph option will not be available Show Calculation This option shows how the result has been calculated for the selected reading The formula and measurements used in the calculation are shown Select a reading from the table Select Show Calculation from the Analyse menu Click on Next to see the calculation for the next reading or ok to finish Difference This option calculates the difference between two readings Select the first reading to be used for comparison Select Difference from the Analyse menu The chosen reading will be highlighted in purple Click on another reading The difference between the two Time and Speed at 4 Speed Speed Speed Length of Card
29. ed in the table and marked with a cursor line on the graph To select more than one reading in a series Tap and drag the stylus over the readings in the graph area On a Handheld PC hold down the SHIFT key while dragging over the required section To deselect readings Click a point outside of the selection 35 36 Advanced Graph can be used in two modes Primary and Advanced In Advanced mode higher level set up and analysis features become available If Advanced is ticked the program will be running in advanced mode Tap on Advanced to deselect for primary mode Analysing captured data There are a number of tools built into Graph to allow the analysis of captured data Tap on Analysis to open the Analysis menu Values Select Values and tap with the stylus in the graph area A vertical line cursor will appear which can be moved around the graph using the stylus Position the cursor at the point on the graph from which information is needed The corresponding value will be highlighted in the table The Information bar will either indicate the elapsed from 3 2 zero until that point or the absolute time the time amp date from the start of recording until that point on the graph o gt Bi are r Note f the X axis is a sensor then cross hair cursor lines will appear to indicate what the value from the sensors would be if they crossed at the cursor point De select Values by re selecting it in
30. ee Ej Start Stop Button The Graph Window The Graph Window is where readings will be displayed and contains the tools needed to set up collect and analyse data Each data channel is allocated a different colour i e channel one is red channel two is blue and channel three is green These colours relate to the channel of data not the type of sensor or the input number e g if temperature sensors are used connected to Input 2 and 3 they will be allocated to the first available data channels Channel 1 red amp Channel 2 blue Setting up and customising the Graph Window To alter the size of the graph table area position the stylus over the window divider and drag up or down To alter the data channel sensor displayed on the vertical axis tap in the area to the left of the axis Subsequent taps will cycle the y axis through all of the connected sensors Customising the Table The width of the columns in the table can be increased or decreased Drag the column splitter left or right accordingly Column Heading Column splitter Light Sound The Comment Column In the table double tap on the relevant cell in the Comment column Enter text or numbers into the dialogue box by using the keyboard Tap on ok To Edit or Delete double tap on the comment to re open the dialogue box and alter as required 2 28 Recording Measurements Primary Mode To check which mode the program is running in tap on D
31. eeeeeeeneees Recording Measurements Advanced Mode _ cssseceeeseeeeeeeeeees To Begin Recording Data tecccetsssceceseeeeeneeeeeseeeeeeeeeeeneeseeeeesoeeeneees Displaying Captured Data ou ciieecccssseseeeseneneeeeeeeeeeseeeneeseaaenensneenees The Display Menu Zoom Auto Scale Sensors Use selection Sel cting Data riana a a A Analysing Captured Data oo tecceccsssseeeeenseeeesneeneeeeeeeneeeseaseeeseneneesees Values Interval Area Gradient Using Tools on the Capture data ou teecceseeceeeeeeeeeeeeeeeeeeeeeneeeeaeeeees Predict Smooth Text Title Erase Predictions Erase Data Set Selection Wizard The Function Wizard To calculate an Average To enter Data Manually PIG MONU ssesacbate ues tass ent ssvactesdedacesenacsiecnyenctadatedeastcereicenseieeaceesecacsszenesess EAIC CMEnU Soenccedes Ss seca E r sen ceceece nea se The Sensor Configuration Program _ cctscccseseseeeeseeeeeeeeeees DCEIRANGG Daa a Sek etea esata soho eee ansatent oeecpeeat ead Geecon Calibrate miser ditto alert a cay tected ones T The limer Progra sasin pininana aa a EEKi The Timer WINdOW seeme aaa E eee ete Digital Sensors sssri a A TIMIAG AD PANAWWS saraa a eee eee eee Recording Measurements Primary Mode _ sssccceeeneeeeeeeeeneeeees 51 Recording Measurements Advanced Mode _ cccccsesseeeneeeeneeeees 52 55 To Begin Recording Data iumon 55 Displaying Captured Measurements _ cccccsssseeeeees
32. eeeeseeeeeeneeeenees 55 57 Altering the Vertical Axis Using the Comments column Selecting Data Use Selection To Delete Data Analysing Captured Data i teccccssssceeeseesseeeeseeeeseeeeeeseeeeneensenenensenees 58 59 Show Calculation Difference Average Graph File Menu E ENI A Nachle IE ETE EE EEEE A AEEA EIEE tet ae ae AE 60 EGICIMIGIIU ae saecea sehen nas ale pameiecos sek nteee oe sebecceseeeemneieeueianedee 61 OOUONS MENU lt sesesciarseesesdee Pehie ratosied 5 cenig adored Sea eeisietou ed aces aceseadore 61 Display Menu saenessdetosdecasasacecusatassaet e acess 61 The Workroom Program oun ccc ceececeeccceeeeceeeeeeeeeneeeeaeeeeaeneeaaes 62 67 Creating Saving and Opening a Setup on eee eeeeeeeceeeseeeeeeeeeeeeeeeaeeeeeeaes 63 NVOIKSMECIS tuoiioa o a E 65 FileMens sarriena E pret leaded 67 This manual may be copied for use within the premises of the Licensee on condition that it is not loaned sold or used outside the Licensee s premises Copyright all rights reserved Data Harvest s policy is to continually improve products and services so we reserve the right to make changes without notice It is acknowledged that there may be error or omissions in this publication for which responsibility cannot be assumed No liability will be accepted for loss or damage resulting from use of information contained in this manual or from uses as described What s in the pack The Sensing Science CD ROM The Ea
33. event this happening keep the PDA charged and maintain Lilon Backup battery any back up batteries g 41l G The PDA uses small amounts of power even when it is switched off to retain m m eusie Go the contents of its memory This can cause the batteries to go dead even Peara AE when it is not in use T esl aang With some makes of PDA a CompactFlash memory card can be used to create a backup for applications loaded to memory e g the Sensing Science program This can be used to restore data to the PDA should all power be lost or if a full reset has to be performed Technical Specifications Smart Q Sensors 3 inputs ADC resolution 10 Bit 4AmV Smart Q sensors are capable of 12 bit resolution and the specification stated for each sensor is applicable when they are used with a 12 bit unit e g EasySense Advanced The EasySense Flash Logger is a 10 bit interface so may not be able to fully utilise this capability and the resolution stated may not be as high The EasySense Flash Logger is suitable for use in the range 0 40 C and 0 95 RH non condensing The EasySense Flash Logger is not waterproof Avoid use in areas subjected to the following conditions Static electricity extreme hot or cold steam high humidity sudden temperature changes or large amounts of dust Remove any dust or grease with a dry cloth before inserting into the CF slot Should the unit ever fail or otherwise become damaged contact Data Harvest There
34. f further expansion of the magnified area is required repeat with zoom still selected While this option is active the words Display Zoom will be displayed in the information window Deselect Zoom to return to the original graph Auto Scale This option takes the y axis limits from the minimum and maximum values of the data collected The scale will be set to the values of the data assigned to the vertical axis Tap to the left of the vertical axis to select the data channel to be auto scaled Select the Autoscale option The graph will automatically be adjusted Deselect Autoscale to return to the original scale Sensors This option can be used to hide or show data in the graph window and to alter the axis limits of a sensor o pay Pe Deselect the tick from the box to hide the data from a sensor a O LJ E Sensors Use the keyboard to type in the new limits and tap on ok E senso OO Tap on Reset to restore the limits to the full sensor range TAREE Note Although it is possible to select a scale outside of a sensors pre set Senne limits the values from the sensor will remain within its pre set limits Use selection Select the data required then select Use selection and the application will alter to use the selected data only Deselect to restore the original data Selecting Data To select individual readings Tap on a reading in the table or at a point on the graph the reading will be highlight
35. for details oes e Place the Sensing Science CD ROM included in the EasySense Flash pack in the desktop computer Select the CE option Missile status from the installer window and follow the on screen prompts to install onto the PDA If the installer does not start automatically open an explorer window onto the CD ROM and double click on SETUP EXE in the CE folder Upon completion of the installation disconnect the PDA from the desktop computer eject the CD ROM and store safely Note for Windows NT and Windows 2000 users This program should be installed with Administrative Privileges on the system Note Sensing Science is not an embedded application If the PDAs power is lost then the Sensing Science program and any saved files will be lost from its memory To prevent this happening keep the PDA charged and maintain any back up batteries required Installing the Sensing Science software and EasySense Flash Logger drivers on a Tablet Note Log on as Administrator or with equivalent access rights on the system Installation Insert the Sensing Science CD ROM included in the EasySense Flash pack into the CD Drive Select the PC option from the installer window and follow the on screen prompts to install the Sensing Science programs onto the computer If the installer does not start automatically open an explorer window onto the CD ROM and double click on SETUP EXE in the PC folder Insert the EasySense Flash
36. hanges as a measure of respiratory activity as an example of a Biology investigation Further pre prepared worksheets are available to purchase separately e g Key Stage 3 and the additional Physics worksheets Starting Workroom e Tap the Start button aaa Tap on the Sensing Science folder D iian Tap on Workroom E Experiments fee Physics 4 01 Measuring Speeds on a Runway In the top section of the Workroom window is a list of the Experiment folders If one of these folders is selected a list of the experiment worksheets stored in this folder will appear below The size of these two sections can be altered Position the stylus over the window divider and drag up or down to adjust Using Workroom Tap to open the folder that contains the desired worksheet Physics Chemistry Biology etc Tap on the worksheet to launch it Creating Saving and Opening a Setup Creating a Setup Set up the parameters for the experiment using the Meters Graph or the Timer program Meters Select the sections to be open i e Numeric Dial Gauge Change Select the data channel to be displayed in each section e g 1 Temperature Select any options required for display i e Decimals Show Min Max Full Size Temperature range For example select the Numeric section to be displayed in full size with the sensor connected to Input 1 with a temperature range of 10 to 40 C 63 Graph Select Primary or Advanced mode
37. he calculation is performed over three points either side of the cursor Select the appropriate data channel Click on Gradient and a vertical cursor with a small Straight line will appear to indicate the slope of the graph at that point As the stylus is moved across the screen this straight line will follow the gradient of the graphed line The gradient will be shown in the information box File Edit Display Analysis Tools aj De select Gradient by re selecting it in the Analysis menu Note This option is not available when in Primary mode or with an XY graph Using Tools on the captured data There are a number of tools built into Graph to allow the analysis of captured data Tap on Tools to open the Tools menu Predict Used to anticipate the effect of making a change to the measured parameter while data is being recorded e g if a light sensor is placed into a black bag Once the display has been paused lines can be drawn on the graph to predict where the sensor line will go To make a Prediction Click on the Start button to begin recording Click on the Pause button to freeze the display Click to the left of the vertical axis to select the appropriate sensor Change the environment the sensor is measuring e g place the light sensor in the bag Click on Predict Tap on the screen a thick line will appear attached to the graph line from the selected sensor This line can be drawn to predict wher
38. ilable Type l Type Il CFII or Type Ill CFII The EasySense Flash Logger cannot be plugged direct into a PC Card Slot unless connected via a CompactFlash adapter Notes The EasySense Flash Logger will not operate when connected via a CompactFlash to USB memory card reader These low cost devices are intended to allow images etc from digital cameras to be transferred to the PC They are not full specification interfaces and as such cannot operate with the Flash Logger A Multimedia slot MMC or a Secure Digital SD card is not suitable 2 Smart Q sensors Up to three Smart Q sensors can be recorded simultaneously Installing the Sensing Science software on a PDA Note t is essential to uninstall any previous versions of the Sensing Science software from the PDA before commencing installation See Problem Solving on page 15 To install the software onto the PDA you will need 1 A desktop or laptop computer IBM PC or compatible running Windows 95 98 Me NT4 2000 or XP 2 ActiveSync software supplied with the PDA installed on the desktop computer 3 A serial or USB cable to connect the PDA to your desktop computer for transferring the program Installation Connect the PDA to the desktop computer using the serial or USB cable Ensure that ActiveSync is installed and a ite running and that a connection to the PDA S has been established see the manual that E Deica came with the PDA
39. ing data from the table and graph The program reverts to the settings selected in the New Record Wizard Open Used to load previously saved data Locate the correct sid file and tap to open Save Provided the file has been saved previously the data will be automatically saved retaining the name given the first time it was saved Save As A dialogue box will open to allow the captured data to be saved using a filename and destination of your choice Files are saved in sid format Note Files saved in sid format can be loaded into any program able to load text files or CSV comma separated values files Files contain information about units and measurements to allow free exchange of data between a variety of applications Interface To select the type of interface being used and the serial port to which it is connected Setups To open an existing setup save the current setup or launch the Workroom Collect Remote The Remote option is not available for the EasySense Flash Logger so this will appear greyed out About To find the version number of Timer software Exit Used to quit Timer You will be prompted to save the file if you haven t already done so Edit Menu Copy Table Used to copy the current table onto a clipboard from where it can then be pasted into spreadsheet word processor or desktop publishing applications Delete Use to delete the selected readings Useful when there is an anomalous reading to re
40. ion is selected Continuous If ticked the recording will continue until stopped by tapping on the Stop icon The graph will start with the selected time span and when this time has elapsed the time span will double continuously Snapshot mode Each time you tap in the graph area the current value for each active sensor is recorded and displayed Note Selecting Snapshot will automatically default to showing Reading Number on the X axis and deselects the option of choosing a Time span or an X vs Y graph It is still possible to select Time or Sensor as the X axis from the Display Wizard Menu If Time is selected readings are still taken when you tap in the graph area but are displayed with the time interval at which the readings were recorded Plot X vs Y This option allows you to plot the readings of one sensor against another useful for looking at the relationship between two variables Note You must have at least two sensors connected The X axis will default to Sensor no other options are available Tap on Next for the second stage the Sensor Wizard The sensors connected will automatically register If readings are not required from a particular sensor tap to deselect the tick from the box If the connected sensors are altered either tap on ID or ok to close and then re select the New recording Wizard The change of sensor will automatically be registered e Tap on Next for the third stage the Start C
41. isplay If Advanced is ticked the program will be running in advanced mode deselect for primary mode Note f you want to repeat the last experiment with all of the same settings just tap on the Start button New Recording Wizard Click on the New Recording Wizard button and the first stage of the Recording Wizard will open Select the recording method Real Time will automatically be selected readings will be realtime rencs displayed on the graph as they are collected Oe gs zs Im Note The Remote option is not available for the EasySense Flash Logger kesk Ea m so will appear greyed out t lt Back Select whether you want to record over a selected Timespan or as individual Snapshot readings aj Timespan Select a suitable recording duration from the list available The recording time range is from 10 seconds to 31 days The interval between each sample will automatically alter when the time duration is selected Continuous If ticked the recording will continue until stopped by tapping on the Start Stop icon The graph will start with the selected time span and when this time has elapsed the time span will double continuously Snapshot mode Each time you tap in the graph area the current value for each active sensor is recorded and displayed Click Next for the second stage the Sensor Wizard The Smart Q sensors will automatically register If readings are not required fro
42. librate sensor window displays the current reading from the selected sensor Default calibration Shows the measured value using the default calibration built into the sensor Current User calibration Shows the value measured using the calibration points last configured by the user Raw ADC Shows the value from the analogue digital converter in EasySense Flash in a range of 0 65535 This value is used by the software to calculate the calibration constants Version Used to check the version number of the Smart Q sensor Inside each sensor is a microprocessor which has it s own version number This information can be used during the fault finding process e g the sensor in use is Version 1 0 of the Light level sensor EasySense Information Click on the EasySense button to check the type and version number of the EasySense unit being used The Timer Program Do NOT attempt to run Timer at the same time as other Sensing Science programs as it will be unable to establish communication Starting Timer Tap the Start button Tap on the Sensing Science folder Tap on Timer The Timer Window The Timer Window is where readings will be displayed and contains the tools needed to setup collect and analyse data 49 50 The program will open in Table amp Graph mode To adjust the percentage of Graph vs Table displayed drag the divider bar up or down The width of the columns in the table can be increased or decrea
43. m a particular sensor tap to deselect the tick from the box If the connected sensors are altered either tap on ID or ok to close and then re select the New recording Wizard The change of sensor will automatically be registered Click on ok to finish Recording Measurements Advanced Mode To check which mode the program is running in tap on Display If Advanced is ticked the program will be running in advanced mode Advanced mode has a three stage Recording Wizard to set up the available options before capturing data Note f you want to repeat the last experiment with all of the same settings just tap on the Start button New Recording Wizard b Click on the New Recording Wizard button and the first stage of the Recording Wizard will open 29 30 Real time will automatically be selected readings are Untitled 2 07a ok A at displayed on the computer screen as they are collected Goren Timespan Note The EasySense Flash Logger does not have the Remote facility so J Continuous the Remote option will be greyed out Ss C Snapshot mode Select whether you want to record over a selected Time Cais span or to take individual Snapshot readings or to plot an X vs Y graph Ej Time span l Select a suitable recording duration from the list available The recording time range is from 10 seconds to 31 days The interval between each sample will automatically alter when the time durat
44. move Options Menu Change Units To change the units and decimal places used for Time Speed amp Velocity and Acceleration Advanced Click the tick on to select Advanced Mode and off for Primary Mode Display Menu Table Switch on off the table display mode Bar Graph Switch on off the graph display mode 61 62 Table and Graph Display both the graph and the table display Columns Used to hide or show columns of data displayed in the table Example If Time and Speed at A is selected then two columns are normally displayed Time at Aand Speed at A Deselecting the tick next to Time at A will hide the time data so that only the Speed at A data is displayed Use Selection Select the data required Select Use Selection from the Display menu Deselect to restore the original display of data The Workroom Program The purpose of Workroom is to store pre set experimental worksheets The user can write their own worksheets or pre prepared HTML files can be loaded into a word processor and then customised by the user The Sensing Science Primary program has a selection of pre prepared activities included e g Curtains which uses a light sensor to investigate the properties of fabrics Teacher s notes for these activities are available in a pdf format in the Manuals folder on the Sensing Science Primary CD ROM The Sensing Science Laboratory program has some examples of pre prepared investigations e g Temperature c
45. ne time and they can be any combination of sensors and displays 19 20 A Section window can be opened either from the Section Changes Menu or by tapping on the appropriate icon ri Numeric Section Opti Click on the close button X to close a section window To alter the sensor displayed double tap in the section window and a Sensor Selection window will open Select the sensor to display in that section from the list Click on ok If only one window is used it can be maximised to fill the whole window by selecting Full Size from the Options menu Changes This is the simplest of all four sections It displays ame ol a block of colour that changes to reflect the value Light in 1 being collected by the sensor For some sensors these colours are coded to those that students may associate with the item being measured Temperature The coloured block begins at light blue and then works its way up to become red at the top of the selected temperature range Note See page 23 for details of how to change the range of the temperature sensor Light The coloured block begins at black for no light working through greys until it becomes white for full light Note To alter the sensor displayed double tap in the section window a selection window will open Select as required and click on ok Gauge This section will display a simple bar gauge that E intro la increases and decreases
46. nsor cable from the Flash Logger depress the clip at the back of the RJ45 plug and extract Note A few of the Smart Q sensors have leads that terminate in a mini DIN plug male To connect these sensors to the Flash sensor lead a female female 8 pin mini DIN adaptor Product No 3710 is required Contact Data Harvest for further information 10 3 Select Start Programs the Sensing Science folder and select the appropriate program The first time one of the programs from Sensing Science is used an Interface option window will open Select Flash Logger from the list and tap on ok Smart Q Sensors Smart Q sensors are equipped with a sophisticated microprocessor that greatly improves the sensors accuracy precision and consistency They will be automatically recognised and calibrated Certain Smart Q sensors have multiple ranges or are capable of user calibration see the Sensor Config program The three inputs on the EasySense Flash Logger may be used with analogue and digital sensors Analogue type sensors These level type sensors are capable of measuring physical phenomena such as light level temperature sound level pH ratio etc Digital type sensors These are normally switch type sensors e g Light Gates and are capable of measuring on off conditions To maintain consistency with existing software and practice inputs 1 amp 2 are dual labelled as A amp B for the Timer application Special conditions apply when
47. on is not available for the EasySense Flash Logger so this will appear greyed out Exit Used to quit Graph You will be prompted to save the file if you haven t already done so 45 46 Edit Menu Copy Table Used to copy the current Table onto the clipboard from where it can then be pasted into spreadsheet word processor or desktop publishing applications The Sensor Configuration Program Do NOT attempt to run the Sensor Configuration program at the same time as other Sensing Science programs as it will be unable to establish communication eesooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooosooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo Note Select the correct interface and serial port from any of the other applications in this package before using the Sensor Configuration application All Smart Q sensors are automatically calibrated but some have multiple ranges e g oxygen or are capable of user calibration e g pH This program can be used to select a suitable range or to allow the user to adjust the calibration constants Set Range Used to select the correct range for the experiment e g to select either Oxygen in air 0 25 0 or Oxygen in fluid 0 125 Sat Sensor 1 Connect the Smart Q sensor to the EasySense Flash Logger and run the Sensor Configuration program Select the sensor requiring configuration from th
48. ondition untitled Wizard This is used to set the condition required for ea ee ee the recording to start The data capture will begin when ae Jb the start condition is met O Trigger when Senso None to begin recording as soon as the Start icon is selected Start at is not available for the EasySense Flash Logger so will be greyed out j Trigger when to start recording when a sensor is less than greater than rises above or falls below a set value Select the sensor and the trigger from the drop down menu Use the keyboard to type in the trigger value Tap on ok To start recording tap on the Start icon a waiting for start condition message will appear in the information window below the graph When the trigger condition is reached the recording will begin 31 32 SET LEVEL SET LEVEL SET LEVEL ET LEVEN Greater than Less than Rises above Falls below For example For example For example For example To start recording when To start recording when Logging will not start Logging will not start the value from a the value from a until the value rises to until the value falls to temperature sensor temperature sensor is above the set level below the set level is greater than 15 C less than 15 C Start on digital condition is not available for the EasySense Flash Logger so will appear greyed out m Click on ok to finish To Begin Recording Data ji Star
49. ools menu The Erase Data Set window will open Choose the data set to erase from the drop down menu Click on Delete Data Set to permanently erase the entire set of data from that channel To cancel tap on ok 41 42 Selection Wizard Allows a user to select readings at specified intervals e g starting from the first reading select every third reading Click on ok the selected readings will be highlighted in the table and marked with a cursor line in the graph Click on Use selection from the Display menu and the Start with reading no application will alter to display only the selected data oF Select which data and select thereafter with period The Function Wizard TE Having collected experimental data it is sometimes useful to calculate a new set of data derived from those results e g to calculate the angular velocity from a pendulum trace Ej Select Function Wizard from the Tools menu Select a formula from the function drop down menu e g a dx dt Select the appropriate data channels from the x and or the y drop down e g X 1 Pendulum Use the keyboard to type in the name and units for the derived data e g Velocity amp m s Use the keyboard to type in the number of decimal places to be shown in the table Alter the max amp min values to scale the axis for this data Click on ok to create the data set The available functions are pee sr ey fe al xb c a exp bx c x
50. ore the Sensing Science program has been installed the drivers for Flash are incorporated as part of the installation If this message is displayed at any other time exit the application in use remove EasySense Flash from the CF slot Reset the PDA and insert the Flash Logger Restart the software application required 4 Unable to open port ECE1 Cannot communicate with Flash Logger Unable to connect to Flash Serial port is already in use Any of these messages could be displayed if the Sensing Science application cannot communicate with the Flash Logger Exit the application in use remove EasySense Flash from the CF slot Reset the PDA and insert the Flash Logger Restart the software application required 5 The PDA screen keeps switching off Press the power button on the PDA to switch it back on To reduce battery consumption the PDA can be set so that after specified period of time if data is not being logged or the stylus hasn t been used the PDA will shut down Alter the settings to a more convenient time select Start Settings System tab Power To prevent the PDA being shut down when used with an external power supply deselect the tick next to the external power selection 6 What else can I do to reduce battery consumption The brightness of screen can be altered select Start Settings System tab Brightness tab to adjust the brightness of the display or the AutoDim tab to automatically dim the display after a specified pe
51. rature ranges required e g 20 C to 60 C Tap on the Use Temperature Range option box 123i 1 2 3 4 5 6 7 8 9lo nee Pont a tick will appear net 2 x b nfm 1 171 e Tap on ok to set the range cau fy Once a range has been set and the Use Temperature Range box is ticked all temperature sensors in all sections will operate within the selected range These settings are automatically stored and will be used each time the Meters program is loaded To reset to the original settings select Temperature Range from the Options menu and un tick the Use Temperature Range box Tap on ok and the original settings will be restored Note f the temperature being recorded rises above the maximum or falls below the minimum limits that have been set Meters will be unable to accurately display the true value 23 24 Sensors Setup The sensors are automatically identified when the program is loaded so this option will not be available and will appear greyed out To change sensors while the program is open simply replace the sensor with a different kind and the program will automatically change the sensor settings so that the correct calibration scales are displayed Reset Interface This option is used to re establish contact with the interface being used File Menu Note A Save option is not available for this program as the data collected is live and Interface therefore cannot be
52. riod of time Another factor that affects battery consumption is sound Select Start Settings Personal tab Sounds Volume tab to quieten the volume of screen taps etc Warranty All Data Harvest products are warranted to be free from defects in materials and workmanship for a period of 12 months from the date of purchase provided they have been used in accordance with any instructions This warranty does not apply if the product has been damaged by accident or misuse In the event of a fault developing within the 12 month period the product must be returned to Data Harvest for repair or replacement at no expense to the user other than postal charges 17 18 Using the EasySense Flash Logger with the CE version of the Sensing Science software Note for Tablet users A pdf of the Windows manual for the Sensing Science software is available in the Manual folder on the Sensing Science CD ROM The software will load into a Sensing Science folder in Programs This folder will contain 5 applications 1 Meters This application displays live data from analogue sensors in four different ways Designed to introduce students to the idea of sensing data and interpreting information The four display modes are Gauge Colour Change Bar and Number 2 Graph This application is used for recording and graphing signals from analogue sensors There are facilities for analysing data 3 Sensor Config This program is for use with those Smart Q
53. s menu Tap at the point on the line that you want the label to refer to Smooth level 2 Smooth data 1 Temperature Cos i lla h Y added Smis 0 1M HCl 123 e e c oel Tab Q w e R T Y u 1 o P CAP a o o A zlxic v BiniMm lt gt toe a OS OE e Use the keyboard to type in the required text and tap on OK Tap on the screen and the text box will appear The text box can be dragged to the required location When the text tool is selected the label can be moved at any time tap and drag it to a new position The label can be edited or deleted With Text still selected double tap on the text box Alter the text or select delete to delete the text label While this option is active the words Tools Text will be displayed in the information window The Text option will remain active until it is deselected by re selecting Text from the Tools menu Title To place a title on the graph select Title from the Tools menu Use the keyboard to type in the text for the title Erase Predictions Select Erase Predictions from the Tools menu Use the forward and backward buttons to cycle through the prediction lines As each line is selected it will turn red on the graph Click on the Delete button to erase the prediction Click on X to cancel Erase Data Set Used to erase the entire set of data from a sensor channel Click on Erase Data Set from the T
54. sed Position the stylus over a column divider and drag to adjust the width Digital Sensors A digital sensor is a switch type device that has only two states high and low These levels are taken to indicate ON and OFF Connect the digital sensors being used to the interface Measurements can be taken from either a single sensor connected to Input A or from two sensors connected to both Input A and B Timing Apparatus The diagram shows a typical apparatus set up for use with the Timer program Light gates are connected to input A and B on the EasySense Flash Logger and are used to monitor the movement of a trolley down a ramp A timing card is fixed to the top of the to input A trolley Ensure that this card cuts to input B through the light gate s infrared beam To enable calculations to be made from the measurements taken it is necessary to enter the parameters used in an experiment For example to calculate speed from A to B enter the distance between the two light gates receiver Note The receiver can be sensitive to high levels of ambient infrared light shield from bright light To calculate acceleration through a single light gate a double interrupt card is used The segments that pass a through the light gate must be equal in width gt Light Gate Note t is recommended that a rigid black rectangular interrupt card be used for most experiments Recording Measurements Timer can be used in two mo
55. sySense Flash Logger User manual m N The EasySense Flash Logger 3 x Flash we Sensor leads What else is required to use EasySense Flash Logger on a Pocket PC 1 A Pocket PC or Handheld PC referred to collectively in this manual as a PDA Personal Digital Assistant The PDA needs to have a CompactFlash slot available Type I Type II CFII or Type Ill CFII Notes C F Slot Not all PDAs have CF slots built in Some PDAs have add on CompactFlash adaptor jackets or expansion packs available which can be used with the EasySense Flash Logger The EasySense Flash Logger cannot be plugged direct into a PC Card Slot PC Card Slot jacket or a PCMCIA card unless connected via a CompactFlash adaptor A Multimedia slot MMC or a Secure Digital SD card is not suitable C F Adaptor Jacket Torun the Sensing Science software the PDA needs a PocketPC operating system regardless of processor type Note The Palm OS operating System is not suitable 2 Smart Q sensors Up to three Smart Q sensors can be recorded simultaneously 3 A serial or USB cable This is used both to download the Sensing Science program and to transfer files from the desktop computer to the PDA What else is required to use the Flash Logger on a Tablet PC 1 A Tablet or Laptop PC running Windows XP referred to collectively in this manual as a Tablet PC The Tablet PC needs to have a CompactFlash slot ava
56. t icon To begin recording simply tap on the Start icon If the recording duration is for 5 hours or more a message to connect the PDA to external power will be displayed Click on ok for the recording to start Stop icon During logging the Start icon will change to a Stop icon Tap on the Stop icon to stop data being recorded before the selected duration has passed Pause icon During data capture it is possible to pause the display Tap on the Pause icon the screen is frozen but the recording will continue unseen on the screen Tap on the Pause button again to cancel the freeze and display the hidden graph Displaying Captured Data Display Wizard zoom Auto Scale The Display Menu Sensors Use selection Select the Display Wizard from the Display Menu v Advanced Note Used in certain modes some options will not be available and will appear greyed out e g when in X vs Y mode the only available option for the X axis will be a Sensor Select Display Type Plot as line the readings are joined and displayed as antag mee j Plot as line Time 2 line graph O Plot as point O Reading number Plot as point the readings are displayed as Six cS Options unconnected points on the graph C show Grid Note Points may be plotted together so closely that they will appear Zei z as a thick line e Plotas bar readings are displayed as a bar graph Select X Axis Time the selected time span is
57. that contains an HTML file called index html This file will load into Internet Explorer when the Workroom is used to load the Setup be aca Directo TEER This index html file can be edited or td Se ame T replaced with one of your own worksheets EElPhotcsynthess 2 4 00 908 giving instructions for the experiment Set up file Opening a Setup File img 2 4 00 1 5K A Setup file can be opened in two ways oe pees Index html file 1 From the Graph Meters or Timer program select Open Setup from Setup in the File menu Open the appropriate folder and select the file Note By loading in this way the Setup is loaded but not the associated HTML Worksheet 2 Start the Workroom program or select Workroom from Setup in the File menu of the Meters Graph or Timer program Select the appropriate experiment from the list in the folder e g open the Physics folder and select MO1 ae ee ete Measuring Speeds on a runway from the list The Woy moves sh down a sopa HTML Worksheet will open together with a Launch bottom nts emermont you wl measure sper 0 e Torey a window Click on Launch to load the correct section moe ia a i e Graph Meters or Timer Click on x to cancel Worksheets Sea In order to make full use of the workroom you may wish to create a worksheet to accompany the experiment setup file The Workroom worksheets complete with diagrams graphics etc are based on the HTML format 65 66
58. with the measured value Hai The scale on the left hand side is divided into four sections and is automatically set by the software to correspond to the sensor it is representing The maximum and minimum value recorded can be displayed on the right hand axis by two short lines Select Show Min Max from the Options menu Tap on Reset Min Max in the Options menu to reset these values Dial This section displays a simple dial that moves to intro r f the right as the measured value increases and likewise moves to the left as the value decreases The scale around the dial is automatically set by the software to correspond to the sensor it is representing Two thin lines can display the maximum and minimum value recorded Select Show Min Max from the Options menu Tap on Reset Min Max in the Options menu to reset these values Note To alter the sensor displayed double tap in the section window a selection window will open Select as required and click on ok Numeric This section displays the currently measured value re 12 5 as a number and the units of measure being used ENF e g Light in Lux The maximum and minimum value recorded will be displayed if Show Min Max is selected from the Options menu Tap on Reset Min Max in the Options menu to reset these values To switch decimal numbers on or off select or deselect Decimals from the Options menu Options Menu The Options menu allows for selection of

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