Face Dipstick 2200 Series Скачать руководство пользователя страница 18 | Manualshive

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CHAPTER

2

-

ZEROING

2-4

Important:

You should understand that the "Zeroing" process does not result in the Dipstick

®

showing

"0.000" or "Zero" as a reading.

The Dipstick will always show the difference in elevation between the two feet, no matter
where  they  are  placed  on  the  floor.    It  is  almost  impossible  to  find  a  location  where  two
points that are 12 inches (300mm) apart are at exactly the same elevation.  It just doesn’t
happen.   On a real floor, one end will always be a few thousandths of an inch (a few tenths
of a mm) higher than the other.

The  zeroing  process  simply  ensures  that  the  Dipstick

®

will give the same reading at a

particular location, regardless of which end of the Dipstick

®

is "forward". When you think

about it, this makes sense.

Note that after the Dipstick is Zeroed, it will read the same after you turn it 180° and put it
back in the same place on the floor.

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Содержание Dipstick 2200 Series

Страница 1: ...277 Road Profiler Operator s Manual with RoadFace Data Collection Program 6 7x And RoadFace 6 1x April 2017 Face Construction Technologies 427 West 35th Street Norfolk Virginia 23508 757 624 2121 1 80...

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Страница 3: ...t Easy and Compact Measure analyze and report up to 1200 ft per hour Instant on slab IRI analysis Complete kit is sized as carry on luggage Is extremely fast efficient and accurate this is the fastest...

Страница 4: ...t is virtually identical with the RoadFace analysis program on your desktop PC the menus and commands are nearly identical Chapter 5 of this manual will identify any differences and explain how to ope...

Страница 5: ...PROCESSING DATA 5 1 Selecting and Deselecting Runs 5 2 Edit 5 10 Reports 5 4 thru 5 9 THE 2277 TABLET COMPUTER 6 1 Transferring Data to Your Desktop PC 6 3 DIPSTICK CARE AND OPERATION 7 1 TROUBLESHOO...

Страница 6: ...foam lid of the Dipstick case Item Description Units per Kit 1 Dipstick unit with Moon Feet attached 1 2 2277 Tablet and Clamp Assembly with beeper and LED Voltmeter 1 3 Handle Assembly 2 Pcs 1 4 Tape...

Страница 7: ...DIPSTICK 2277 PARTS LIST v The Dipstick 2277 Case Behind the Top Foam Lid...

Страница 8: ...elease the ON Off button the tablet will close the screen but will keep running and will burn up power while it does this The next time you try to turn it on it will be dead If you try to turn it on b...

Страница 9: ...s being recharged from an outside source the AC Adaptor or the Handle Battery and black means that the tablet is running on its own power no external power available The Power Properties and the LED v...

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Страница 11: ...he start end of the Dipstick up to turn on the Dipstick As the Dipstick is coming on you will notice the L C D screens blink The L C D screens will then display readings If the computer connector cabl...

Страница 12: ...nd LED Voltmeter on the computer clamp are facing up Align the Tablet so that it is over the Start end of the Dipstick Screw the top handle section onto the threaded stud on the bottom handle section...

Страница 13: ...e Handle Battery are both fully recharged you can run it for more than 8 hours on a single charge Note that the LED Voltmeter measures the available voltage in the Handle Battery not the voltage in th...

Страница 14: ...t is on but the Data Collection program is not running you may start the program from the Windows CE Desktop by double tapping the red and blue Face icon for the RFDC program near the left side of the...

Страница 15: ...two methods We ll show you both ways PREPARE THE DIPSTICK AND THE SURFACE Be sure that the Dipstick unit is fully charged and has warmed up for at least 5 minutes Turn the Dipstick on as soon as you...

Страница 16: ...the menu item Zero The L C D screens on the Dipstick will flash CAL CAL CAL as shown here Once the reading is taken and stored in the Dipstick the L C D screens will turn back on and the computer will...

Страница 17: ...WITH THE BUTTON The Dipstick unit may be zeroed using the black zeroing button located on the switch end of the unit This method can be used even if the 2277 Tablet is not attached or is not turned o...

Страница 18: ...s that are 12 inches 300mm apart are at exactly the same elevation It just doesn t happen On a real floor one end will always be a few thousandths of an inch a few tenths of a mm higher than the other...

Страница 19: ...to start the program Please be sure that the Face Company s SD Card is in the slot on the right side of the computer before you start Auto Startup Any time you reboot the computer the program will st...

Страница 20: ...Anything over 11V is OK The Dipstick will operate properly and collect data until the voltage drops to about 10 5V Whenever the Dipstick voltage drops below about 10 7 Volts you ll see a LOW BAT warn...

Страница 21: ...n and the RFCollect program will disappear behind the Tablet s desktop Now double tap the Shortcut to Power and you ll see the Tablet s power properties The important thing is the Remaining Power This...

Страница 22: ...er and wait until the Dipstick takes the first reading You always press the trigger from front to rear Once a reading has been captured the beeper will sound This is the signal for you to rotate the D...

Страница 23: ...apter 5 PROCESSING DATA of this manual Once you download this data to your desktop PC you ll be able to print any of these reports from the RoadFace program on your PC to any printer connected to your...

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Страница 25: ...he data from one project is stored A Run is a straight test line that must be at least 37 steps long to calculate an IRI There are just a few things you need to know about using the RoadFace Data Coll...

Страница 26: ...l day long after you get a LOW BAT warning If the voltage drops below 10 5 Volts the Dipstick will beep 3 times and display OFF At this point the Dipstick will no longer collect data and you must rech...

Страница 27: ...in the Tablet s internal battery SAFE DATA COLLECTION The key to safe data collection is to download daily This gives you two copies of the data stored on two different computers so you have some red...

Страница 28: ...you to change your Dipstick from Imperial mode to Metric mode You can change between Metric and Imperial and use different foot spacings in either mode Make sure that this setting corresponds to the t...

Страница 29: ...cal you can skip over the Averaging and Allowable Difference boxes This selection will cause the Dipstick to capture data from the internal sensor after it has settled down and two identical readings...

Страница 30: ...ted using the AVERAGING mode have been shown to be essentially identical to the data collected using the 2 identical mode particularly if you use a reasonably small number for the allowable difference...

Страница 31: ...a Collection Bias for the surface you are measuring If a fixed Data Collection Bias is to be applied to all runs it may be entered here To learn more about Data Collection Bias see Chapter 9 DATA COLL...

Страница 32: ...lecting data in sets of lines that touch each other the Start Point Elevation of each line may be referred to a single point so that all lines reference a common datum When you UnBox a Run discussed l...

Страница 33: ...has been set for Automatic the readings will be taken automatically as determined by the 2277 Tablet using the capture mode you selected earlier CHECKING FOR FALSE READINGS As you walk the Dipstick to...

Страница 34: ...that you collected during the Run or you may bring up a Graph of the Run profile These report features are covered in detail in Chapter 5 PROCESSING DATA of this manual Once you download this data to...

Страница 35: ...on one run This is absolutely by far the best way to collect longitudinal profile data Here s what it looks like Arrows show the path taken by the Dipstick operator as data is collected COLLECTING IN...

Страница 36: ...ep as a corner of the box in the Run Notes for this run Now draw a circle around the front foot at the 256 step point and write B1 256 on the pavement This will locate the 256th point on Box 1 if you...

Страница 37: ...a corner The short transverse legs will all be the same lengths because the wheelpaths are a constant distance apart but the left or right wheelpath may be a few steps longer than the other wheelpath...

Страница 38: ...ing Rotate the Dipstick back to the starting point to take the final reading Be sure to take the final reading exactly on the original starting point Use the 12 300 mm circle to compensate for any dis...

Страница 39: ...ill open a small window in the middle of the screen Tap the middle of the screen to activate it then type whatever text you wish to record If you have used C or S or T on this Run you will see any not...

Страница 40: ...d to the Original Run at the point where you indicated Using Append to fix a False Reading If you know where the False Reading is and you don t want to re do the entire Run you can use COLLECT APPEND...

Страница 41: ...r so both feet are approximately equal distance from the center of the bar Choose the two holes that have the desired data spacing Install the Moon Feet into these two holes in the variable foot space...

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Страница 43: ...or you This needs to be done only once is automatic and takes just a minute or two From this time on any time you plug the SD Card Reader in to your computer it will automatically open a window to the...

Страница 44: ...nt then press and hold Ctrl and click or tap the next item Only the specific items you selected will be highlighted You may repeat this process to select as many items as you like You may use the arro...

Страница 45: ...t each run You should try to choose names that will mean something to you later A name such as Run_1 doesn t convey very much information If a run has been edited the name is automatically changed by...

Страница 46: ...Runs REPORTS Graph Click or Tap REPORT GRAPH to display the profile graph of the Run or Runs you have selected If you have only one Run selected the IRI for this Run will also be displayed below the...

Страница 47: ...readsheet or word processing program If you prefer you can change the extension from RDG to TXT or even DOC IRI If you select one Run and use REPORT IRI you will get a graph which shows the cumulative...

Страница 48: ...f you have pressed the S or C or T keys while you collected data these will generally be in the form Note Step 27 or Corner Step 113 or Turnaround Step 50 These Notes can serve to remind you of partic...

Страница 49: ...e collected This report is not available on the RFCollect program Just highlight the Run you want to analyze and use REPORT RUT DEPTH Then you must choose whether to make a graphical or a tabular repo...

Страница 50: ...Straightedge In either case you will be required to choose the length of the Straightedge and the maximum allowable Gap You can also choose whether to count only gaps between contact points or any Ga...

Страница 51: ...ge defect found the defect is at 6 ft and the Straightedge is resting on the ends at 1 ft and 11 ft You can easily see that the Gap under the Straightedge exceeds the maximum allowable gap Here is ano...

Страница 52: ...ch with extremely long Runs that go all the way over small hills and valleys but it is very useful in helping you to visualize the roughness of short runs on a slope TO EDIT A RUN S READINGS Select a...

Страница 53: ...place where you want to insert a Skipped Reading then click the INSERT button The new reading appears and all you need to do is enter the correct value of the reading Once you have finished editing R...

Страница 54: ...pacing is normally 12 for Imperial and either 250 or 300 for metric You may continue to tab through the remaining options or you may press Enter at any time to accept the entries as shown on the scree...

Страница 55: ...rogram will automatically adjust the start point for each leg so that the elevations on each leg will be correct relative to the start point elevation of the box The program will automatically name th...

Страница 56: ...ut ithen tap OK or press Enter The computer does the work for you creating Box1_A 250 steps Box1_B 6 steps Box1_C 250 steps and Box1_D 6 steps Note Arrows now show the profile layout after UNBOXing Si...

Страница 57: ...ther Again the computer will automatically calculate the IRI of the new Linked run You have just created the profile and IRI for the right wheelpath for all three boxes combined 4 Select leg _C of the...

Страница 58: ...ear You will need to know the step number at the Turnaround point Note If you wish to change the step number for the Turnaround point or if you are manually entering the Turnaround point just type the...

Страница 59: ...at the Out portion of the Run matches the Back portion of the Run almost exactly You should now compare this data to data that you collected in the past on this same Test Track If today s data matches...

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Страница 61: ...d the On Off button until you see this icon This is very important Remember this and do this If you simply press and release the ON Off button the tablet will close the screen but will keep running an...

Страница 62: ...get it to turn on STARTING THE RFCOLLECT PROGRAM There are several methods to start the program Please be sure that the Face Company s SD Card is in the slot on the right side of the computer before y...

Страница 63: ...older where you have installed the RFCollect program such as C Dipstick Data The SD Card Reader is extremely fast You can copy several jobs in a few seconds When you are finished copying the data to y...

Страница 64: ...ttery power Do NOT risk having the Tablet shut down during data collection because it has no power CHECKING THE 2277 TABLET S VOLTAGE You can use the Power Indicator on the right side of the screen to...

Страница 65: ...e without Handle Battery will give from 3 to 6 hours of operation That s OK if you only need to collect a small amount of data but you ll be much safer if you use the Handle Battery You don t want to...

Страница 66: ...he battery and the three screws One nice feature of the 2277 Tablet computer is that since it has an internal Flash memory even if all the batteries die completely your program and your data and your...

Страница 67: ...ing hot you can operate normally The computer s screen is the first thing to stop working at extreme temperatures If it is very cold the screen will gradually turn white and you won t be able to read...

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Страница 69: ...ure range The data you collect will be good so long as the computer is able to capture and store the readings coming from the Dipstick It should be noted that temperatures in direct sunlight or within...

Страница 70: ...under side of the ball and swivel Remove any excess lubricant from the outside of the swivel feet BATTERIES NOTE THAT THERE ARE 3 DIFFERENT SETS OF BATTERIES There are 3 different sets of batteries i...

Страница 71: ...re volts of battery power You can check the voltage from by using COLLECT VOLTAGE This will report the current voltage reading within the Dipstick AUTO SHUTDOWN OFF The Dipstick itself will let you kn...

Страница 72: ...charging the light next to the recharge port will light up If the light does not come on you may have used the wrong AC adapter Do not attempt to use the 2277 Tablet computer s AC adapter to charge t...

Страница 73: ...omputer or any other adapters plugged in This should completely drain the Ni Cad Battery pack then recharge the Dipstick overnight to restore full capacity HOW TO CHANGE THE DIPSTICK BATTERIES Turn th...

Страница 74: ...RY Use it to power the 2277 Tablet whenever you can t use the AC adapter This means whenever you are collecting data and whenever you are processing data but for some reason cannot use the 2277 Tablet...

Страница 75: ...n The Dipstick gets its charge from the AC Adapter and the Handle Battery gets its charge from the Dipstick Switch End Cap Note if you own a DS2277 that has been converted from an earlier model you ma...

Страница 76: ...to get more than 8 hours of operation If you use a lower backlighting level you can double the length of time If you will only be measuring for a few hours you can use max brightness But in most cases...

Страница 77: ...one of the program files First try resetting the computer If that does not work go to the Storage Card highlight the RFDCHP720 EXE file and use EDIT COPY Then go to Windows Desktop and use EDIT PASTE...

Страница 78: ...he batteries were properly charged but they still don t give enough on time If this fails to give at least 10 hours of on time Be sure that you have the original Ni Cad batteries in the Dipstick and t...

Страница 79: ...numbering of the survey line gets out of order and the polarity of the signs or on the Dipstick will be reversed This will cause your profile to be turned upside down from the point of the error To c...

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Страница 81: ...d compensate for data collection bias If the sole purpose of measurement is to calculate IRI correcting for Data Collection Bias is rarely needed However if the purpose of measurement is to establish...

Страница 82: ...llecting data with a Dipstick on a beach volleyball court that has been raked smooth The surface you will be walking on is clean dry sand and the dry sand layer is quite thick When you first set the D...

Страница 83: ...you can t do this is because the amount of Bias varies with the amount of texture and the amount of dust or grit on the surface The Bias can be two or more times higher on a rough textured or dirty s...

Страница 84: ...imply divide the total error by the number of steps to get the Bias error per step You could subtract this small error from each Reading and the result would be a true profile with no Bias How To Calc...

Страница 85: ...of the Dipstick on the starting point of the line and begin collecting data walking the Dipstick along the line After the Dipstick beeps at the 50 foot 15 m mark and a reading is taken pick up one end...

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Страница 87: ...u go all the way around the Box on one run This is absolutely by far the best way to collect longitudinal profile data Here s what it looks like Arrows show the path taken by the Dipstick operator as...

Страница 88: ...has marked this step as a corner of the box in the Run Notes for this run Now draw a circle around the front foot at the 256 step point and write B1 256 on the pavement This will locate the 256th poin...

Страница 89: ...s when you go around a corner The short transverse legs will all be the same lengths because the wheelpaths are a constant distance apart but the left or right wheelpath may be a few steps longer than...

Страница 90: ...rocedure to get exactly back on to the starting point of the Run On the next to last reading set the foot down anywhere on the 1 ft 300 mm circle and you will be assured of being exactly 12 300 mm fro...

Страница 91: ...You want the second Run to be linked onto the tail end of the first Run so select them in the order you want them to link 2 Tap EDIT LINK to link these two Runs The program will now join the two runs...

Страница 92: ...ble showing the amount of deflection at every point 5 The Dipstick can be used to set the elevations of bridge deck rails It has been shown that the finished bridge deck surface follows the contours o...

Страница 93: ...g surface profile 13 The Dipstick can also be used to measure the flatness and levelness of floors using the ASTM E 1155 F Number system FF and FL The Dipstick is the fastest and by far the most accur...

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Страница 95: ...ich most people have access to Whichever method you want to use you need to decide the data location and spacing before you start collecting data 4 Dirt or Grit on the Surface If the surface is excess...

Страница 96: ...d the menu item CALCULATE DIFFERENCE is used This creates a profile that represents the precise deflection of the pavement due to the weight of the aircraft b The Rake or Comb pattern We call it the R...

Страница 97: ...way to make a grille or grid of overlapping boxes Box1 the red box is the exterior box Box2 the blue box is concentric and overlaps the red box Box3 the green box is again concentric and overlapping...

Страница 98: ...help you remember where it was taken from If you use boxes name each box in a way you ll be able to remember later Each box will be broken into its 4 constituent lines later The Dipstick software wil...

Страница 99: ...the first box Start a second box here again going East along the South line for 50 steps Mark the turning location turn North and march to the North line Finish this box just like the first box Point...

Страница 100: ...described in the hardware manual EDIT UNBOX The start point elevation of the second box should not be zero but should be whatever is computed for the end point elevation of the first leg of the first...

Страница 101: ...exactly the same point where you started Box2 Press Enter to stop collecting data in Box2 Pick up the Dipstick and walk 8 ft farther south 8 ft not 4 then collect Box3 the same way Continue collecting...

Страница 102: ...Now go get those little 4 step ASCII files and paste them into the spreadsheet Theoretically they should match the data from Box1 A and Box1 C but they won t match exactly Paste these files at the co...

Страница 103: ...Appendix C Elevation Studies 3 D Dipstick Topo Maps C 9 Make a Graph Finally make the graph or 3 D plot following the instructions for the spreadsheet or graphing software...

Страница 104: ...ran the Test Track If you ever question the Dipstick the test track will tell you if it s OK or not If the profile and IRI is the same now as it was 4 years ago the Dipstick is still working like it...

Страница 105: ...ircle For convenience use a start point elevation of 0 Zero DO NOT STOP the program when you get to the 50 ft mark At the 50 ft mark after you have collected 50 readings press the keyboard letter T fo...

Страница 106: ...it looks like the left half will be a mirror image of the right half The fact that it is symmetric shows you that the Dipstick is collecting the data exactly the same out and back 9 Now Re select the...

Страница 107: ...e Turnaround point Reverse the second half of the Run and apply the correct Start point elevation so you can see how symmetric the two halves of the Run are The best way to collect Test Track data is...

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