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Determining Bar Size

The bar diameter can be easily determined with the Rebarscope®
without the prior knowledge of cover. This is possible by taking two
readings, one at surface of the structure and another at the same
location but 3/8 inches away. A 3/8 inch spacer block is provided
with the system along with a locating template. This L shaped
template helps keep the exact location of the first reading when
taking the second reading with the 3/8 inch spacer block (see
pictures below).

(

Note

: Bar sizing is done in Deep mode only, and at a maximum

depth of approximately 4.5 inches.)

Figure 11: Locating Rebar

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Содержание Rebarscope R-C-400

Страница 1: ...R C 400 R C 450 R C 410 Rebarscope Operator s Manual Original Instructions Revision July 2018 ...

Страница 2: ...anical electronic photocopying recording or otherwise without prior written permission of James Instruments No patent liability is assumed with respect to the use of the information contained herein Moreover because James Instruments is constantly striving to improve its high quality products the information contained in this manual is subject to change without notice Every precaution has been tak...

Страница 3: ... 3 Electromagnetic compatibility EMC Generic standards Emission standard for residential commercial and light industrial environments 2007 EN 61000 6 2 Electromagnetic Compatibility EMC Part 6 2 Generic Standards Immunity for Industrial Environments 1999 BS 1881 204 Testing concrete Recommendations on the use of electromagnetic covermeters 1988 I hereby declare that the equipment named above has b...

Страница 4: ...aphic Bar Display 13 Option 2 Number Display 13 Determining Cover 14 Determining Bar Size 17 Rebar Sizing Guidelines 23 Pitch Resolution 24 Utilizing Cover Map Function 25 System Menu 30 Display Cursor 30 Language Options 31 Measuring Units 32 Clock Menu 32 Erase Memory 34 Battery Operation 35 Scan Cart R C 410 Only 38 Data Handler Introduction 42 Features 42 Minimum System Requirements 42 Data Ha...

Страница 5: ...Map R C 410 only 54 Graphic representation of the Scan Map data 55 Troubleshooting 58 Maintenance 61 Safety 61 Available Rebarscope Accessories 62 Specifications 63 Warranty Information 65 Repair Policy 70 iv www ndtJames com ...

Страница 6: ... graphic bar in the display and an audio tone to quickly and accurately locate metal objects Large numbers in the display show the estimate of cover This information can then be used to display a map of the cover throughout the structure Further options allow a 2 dimensional cross section of the concrete under test The Rebarscope was developed for real world application and everyday durability in ...

Страница 7: ...y make the Rebarscope user friendly when estimating cover or bar size Plus with a memory capacity of 8000 data points the data logger allows for a large sum of data to be stored for later analysis The front panel of the data logger unit allows the user to interface with the sensor probe scan cart headphones charger and a personal computer via a USB port The large viewing window protects the LCD di...

Страница 8: ...3 www ndtJames com e Instrument Contents List Each Rebarscope comes with the following items included in the carrying case Figure 1 Rebarscop System Contents ...

Страница 9: ...pload data 6 AC Power Adapter Used to power the Rebarscope and recharge the unit 7 Headphones Used in noisy environments 8 Sensor Probe Shows direction of rebar 9 Phone Jack For headset 10 8 Coiled Cable Used with the Sensor Probe 11 1 5 8 Spacer Block Used to add space in lower cover situations 12 3 8 Spacer Block Used for sizing feature 13 Locating Template Used for sizing feature 14 Support Str...

Страница 10: ...5 www ndtJames com Control Panel The following buttons appear on the James Instruments Rebarscope System Figure 2 Rebarscope System Buttons ...

Страница 11: ... is used to scroll through various settings The left arrow button This key allows you to scroll through various settings The right arrow button This key allows you to scroll through various settings The enter button Pressing this key allows you to choose main menu selections The enter key also allows you to prepare the Rebarscope for operation The escape button Pressing this key allows you to retu...

Страница 12: ...7 www ndtJames com Menu Layout Figure 3 Rebarscope Function Flow Chart ...

Страница 13: ... can be carefully pushed off of the case hinge pins Attaching the Shoulder Support Straps The Rebarscope support straps can be used to hold the Rebarscope once the Rebarscope lid has been removed When using the Rebarscope support straps make sure that an eyelet hook is connected to each corner of the Rebarscope Two of the hooks clip to the O rings while the other two clip around the hinge pins Fol...

Страница 14: ...9 www ndtJames com 4 Now adjust the strap accordingly so that the Rebarscope is within easy reach and readable see Figure 4 Figure 4 Rebarscope Support Strap ...

Страница 15: ...or probe far superior to other commercially available rebar location systems The Rebarscope sensing probe is compact weighing only 1 lb and dimensioned at 5 x 2 4 x1 6 and still very tough and durable for field application The sensing probe has been calibrated in our facility for operation with only the data logger unit it was purchased with If a new sensor probe is needed it is recommended to sen...

Страница 16: ...m is initially turned on the Automatic RS mode is the default setting To change this go to the Locate Cover screen Once in the Locate Cover screen use the up or down arrow keys on the front panel to highlight the graphic bar When the highlight is on the bar press the left arrow key to change between modes Note The letters RS in the upper left hand corner of the screen indicate auto ranging is on F...

Страница 17: ... error of 125 must be accounted for during measurement of metal bar or pipe location Deep mode Ideal when reinforcement cover ranges from 2 75 to 8 Locating determining cover and bar size can all be measured while in this mode An error of 125 must be accounted for during measurement of metal bar or pipe location Figure 6 Metric and Imperial Graphs for Rebar Ranges ...

Страница 18: ...been detected When the sensor probe is directly over the center of the metal bar pipe this bar display will have reached its highest point When the sensor probe has passed the center of the metal bar pipe the bar display will decrease in size Option 2 Number Display This option consists of a numerical output value in brackets displayed on line 1 of the locate cover screen The range of this number ...

Страница 19: ...th this only the bar pipe is located and no small particles of metals such as fly ash in the concrete can influence the measurement The following steps allow for proper cover measurements Step 1 Choose either Imperial or Metric units on the system menu screen Step 2 Decide whether short or deep mode is necessary for your testing If needing to adjust this setting go to the Locate Cover screen and f...

Страница 20: ...ow pass the sensing probe on the surface of the test structure until the smallest cover is displayed on the right hand corner of the screen Step 5 The Rebarscope allows the user to choose the minimum cover to analyze with This feature is referred to as the S min Using the up or down arrow key scroll the highlighter down to the S min category and use the left or right arrow keys to choose an S min ...

Страница 21: ...he Locate Cover screen use the up down arrow keys to scroll the cursor down to the action bar in the display Step 6B Use the right arrow key to choose either a beeping type audio signal or a continuous tone audio signal A small speaker icon will appear on the upper right hand corner of the display when the audio feature has been enabled Headphones have also been supplied with the Rebarscope to hel...

Страница 22: ...re and another at the same location but 3 8 inches away A 3 8 inch spacer block is provided with the system along with a locating template This L shaped template helps keep the exact location of the first reading when taking the second reading with the 3 8 inch spacer block see pictures below Note Bar sizing is done in Deep mode only and at a maximum depth of approximately 4 5 inches Figure 11 Loc...

Страница 23: ...18 www ndtJames com Figure 12 3 8 Spacer with L Shaped Template Figure 13 Locating Rebar with Spacer ...

Страница 24: ...19 www ndtJames com Figure 14 Analyzing Data ...

Страница 25: ...to the surface The first reading should then be taken with the supplementary 1 5 8 spacer block and the second with a 3 8 spacer block See pictures below The supplement spacer block is used only to add space between the surface and the sensor probe It s size is not critical when performing the sizing function Figure 15 1 5 8 Block Figure 16 3 8 Block ...

Страница 26: ...p or down arrow keys to navigate the highlight to the Locate category Figure 17 Bar Size Function Step 3 Press the right arrow key on the front panel to choose Locate Size and press Enter Step 4 In the BAR SIZE screen use the sensor probe to locate the center of the rebar either by using the bar display or the numerical output value in brackets Figure 18 Bar Size Screen ...

Страница 27: ...ss Enter for a few seconds to store the result Step 7 The Rebarscope will now read ADD BLOCK PRESS ENT on the top line Figure 19 Add Block is displayed At this point the locating template needs to be placed alongside of the sensor probe so the exact location of the first reading can be kept Note Taking the second reading at the exact location as the first is critical for precision While holding th...

Страница 28: ...nsor when testing for rebar size 4 Sizing can be done when the rebar on center spacing is equal to or greater than 6 inches 150mm from any adjacent rebar conduit pipe copper pipe post tension cable and wire mesh 5 Sizing accuracy is 1 Bar size for Imperial rebar and 3mm for Metric rebar sizes This variance is due to the physical appearance of rebar which has ribs or ridges along the length of the ...

Страница 29: ...24 www ndtJames com Pitch Resolution Measurements can often be influenced by neighboring parallel bar s The graph below shows the minimum spacing to a corresponding bar Figure 21 Minimum Bar Spacing ...

Страница 30: ...1 starting at the top of the grid The Three symbols below have been selected to allow the user to distinguish the status of the current reading A full shaded box represents that the cover is less than the selected S min The S min is the selected minimum cover you have told the Rebarscope to detect A box with 3 thick shaded lines means that the cover is within range of the selected S min A box with...

Страница 31: ...ess the escape key on the front panel to get to the Main Menu screen Figure 23 Cover Function Step 2 Navigate the highlighted cursor using the up or down arrow keys to COVER MAP MENU option and press Enter Figure 24 Cover Map Menu ...

Страница 32: ... Map is chosen please proceed to step 4B if not please follow the instruction directly below for installation of a new map Step 4A Figure 26 Map Display 1 The Rebarscope automatically generates a map number 2 Under the Material category line choose the material under investigation rebar conduit copper 3 Choose the diameter of the material under investigation 4 Choose the S min minimum cover ...

Страница 33: ...p a REVIEW COVER MAP menu screen will appear Figure 27 Review Cover Map Screen 2 The system does not allow adjustment of previous set parameters 3 The only function that can be changed is that of which map to view 4 Choose the map number to view and press Enter 5 The screen now displays the cover map grid with previously saved data New data can be saved into the gridded map along with the older da...

Страница 34: ...be over the area being investigated the blinking cursor will turn into one of the three cover symbols Step 7 Pressing the Enter key will save that symbol onto the screen and store into memory the location information seen on the bottom of the screen This information will also appear for this particular point on the upload screen of the PC software ...

Страница 35: ... screen Display Cursor To change the visibility of the display cursor follow these steps Press the up or down key until you get to the system setup menu option Press Enter The Setup Menu sub screen should appear Scroll through the Setup menu using the up or down arrow key Select the Display option by pressing Enter The display should read the following DISPLAY Black Lines Pressing the left or righ...

Страница 36: ... you get to the system setup menu option Press Enter The Setup Menu sub screen should appear Scroll through the Setup menu using the up or down arrow key Select the Language menu option by pressing Enter The display should read the following LANGUAGE Use the left or right arrow keys to choose English or Spanish as the language that your Rebarscope operates in Figure 29 Setting the Language Pressin...

Страница 37: ...ess Enter Step 3 In the system setup screen use the up or down arrow keys on the front panel to navigate down to the UNITS category Step 4 Use the right arrow key to choose either Imperial English or metric measuring units Figure 30 Setting the Units Step 5 Press the ESC key to go back to the main menu screen and continue measurements Clock Menu To change date and time please follow these steps Pr...

Страница 38: ...the Clock Menu option by pressing Enter The display should be similar to the following Figure 32 Setting the Date and Time Pressing the left or right arrow key will increment the digits on the display Use the up and down key to select each hour and date options Scroll to the save changes option using the up or down arrow key ...

Страница 39: ...screen should appear SETUP MENU Scroll through the Setup menu using the up or down arrow key Select the Erase Memory option by pressing Enter The display should read the following ERASE MEMORY Press Enter once and a message telling you to press Enter again to verify this action should appear PRESS ENTER AGAIN Pressing Enter a second time will erase ALL stored memory in the Rebarscope system When c...

Страница 40: ...ng the unit The battery status can be viewed in the System Menu under the Battery Operation mode Fig 34 35 When the charger is supplying power to the unit the battery is charging and the charge counter Charge CTR will increase When the unit is ON and the charger is disconnected from the unit the discharge counter Discharge CTR will increase The battery will continue to charge even after the microc...

Страница 41: ...ry Operation press Enter to zero the counters This action also resets the battery circuit mentioned above and will correct any miscounts If charging is still an issue review the Troubleshooting section on p 57 Resetting the battery counters should be done both before and after at least a 4hr charge When done so the battery status on the display will be accurate 3 When the Battery percentage reache...

Страница 42: ...he unit after each use or at the end of the day if used daily 6 Charge the battery at a moderate temperature Do not charge below 0deg C or 32deg F 7 Lithium Ion batteries suffer from stress when exposed to heat Therefore to lengthen the life of the battery avoid elevated temperatures 30deg C or 86deg F 8 Lithium Ion batteries may fail when stored for long periods of time in a discharged state Thus...

Страница 43: ...d rebar The following steps allow for proper scan cart application Step 1 Insert Rebarscope probe in scan cart unit with company logo facing up Step 2 Connect scan cart cable yellow to front panel of Rebarscope unit and scan cart back cover Step 3 Turn Rebarscope and allow unit to initialize Step 4 Upon initialization unit defaults to Locate cover screen Step 5 Press Esc key Step 6 Rebarscope will...

Страница 44: ...n arrow keys navigate the highlighted line to one of the three sections on the scan map menu screen Step 10 Press Enter Step 11 The next screen allows you to enter your parameters After choosing desired parameters press Enter Figure 38 Scan Map Parameters Step 12 The Rebarscope now displays the scan cart diagram screen ...

Страница 45: ... Measuring from the front of the scan cart begin pushing the cart at a very slow pace from the starting point using the extended handle See picture below Step 16 Remain at this same pace until Rebarscope notifies the end of scan by producing an end beep noise Step 17 The Rebarscope does not present real time data of a scan it is necessary to back the cursor toward the start point to view data The ...

Страница 46: ... electro magnetic decay of the reinforcement bar is detected by the probe the built in B scan analyzer starts to graph every point of detected cover by its built correlation Once the scan cart with inserted probe is above the center of a section of rebar the wave form will be displayed at its top peak After the scan cart has moved past the center of the rebar a very noticeable downward decay will ...

Страница 47: ...loaded data from the Rebarscope to the PC Features Easy to Use Quick Convenient Traceability Data Backup Minimum System Requirements Rebarscope Data Handler Operating System Windows Vista or Windows 7 Memory 1 GB RAM Processor 1 GHz Pentium class processor Capacity 1 MB hard drive space ...

Страница 48: ...the up or down key to advance to the upload menu option Press Enter The following upload sub screen should appear Figure 42 Upload Sub Screen Scroll through the upload sub menu using the up or down arrow key Select which upload menu function you would like to perform by pressing Enter The display should read the following UPLOAD SCAN MAP R C 410 only UPLOAD ALL SCAN MAPS R C 410 only ...

Страница 49: ...nter key Rebarscope software waits 50 seconds for the upload information If no data is received after 50 seconds a No data received sub screen will appear During Test upload the displays reads Upload In Progress Once the upload has been completed the display will read Upload complete and data will appear on the screen Save the data in a desired folder Pressing the Escape key will return you to the...

Страница 50: ...rview Software Functions Key Definition The Open command Ctrl O Opens a previously uploaded text file The Save command Ctrl S Saves uploaded data to a text file The Upload command Ctrl U Uploads data from the Rebarscope to the Data Handler program The Graph Time command Ctrl T Graphs the stored data The 3D command Ctrl D Graphs the stored data as 3D ...

Страница 51: ...e instructions To install the software 1 Insert the Rebarscope PC Software CD into the CD ROM drive 2 If the CD does not load the setup automatically go to My Computer double click on the CD under devices and double click on setup exe Figure 44 Installation File Location 3 The Install Shield Wizard checks for the operating system you are using Figure 45 Install Shield Wizard ...

Страница 52: ...ww ndtJames com 4 The Install Shield Wizard dialog appears Click Next to proceed Figure 46 Install Shield Wizard 5 Accept the terms in the license agreement and click Next Figure 47 License Agreement Screen ...

Страница 53: ...48 www ndtJames com 6 Complete the customer information fields and click Next Figure 48 Customer Information Screen ...

Страница 54: ...tallation Click Install to continue Figure 49 Install Shield Wizard Confirmation 8 The installation progress screen appears Figure 50 Installation Progress Screen 9 When the installation has completed the following message will appear Click Finish to close the dialog ...

Страница 55: ...50 www ndtJames com Figure 51 Install Shield Wizard Completed 10 The Data Handler shortcut appears on the desktop as well as the Start Menu Figure 52 Data Handler Shortcut ...

Страница 56: ...410 only a Uploading a single Cover Map i On the Rebarscope display go to Upload Menu Figure 53 Main Menu Screen ii On the Data Handler Software press the Upload Button iii On the Rebarscope display choose Upload Cover Map iv Now save the results into the PC ...

Страница 57: ...52 www ndtJames com Fig 54 Rebarscope Data Handler Screen The display should show the Cover Map as a text Fig 55 Data Handler Screen with Text Data ...

Страница 58: ...Cover Maps iv Now save the results into the PC Note The Data Handler Software doesn t provide graphical presentation of the Cover Map as this only done inside the Rebarscope software To view the cover map data From open menu or simply press the open button or press Ctrl O Then open the required file in the Data Handle Software Also it is possible to open the Cover Map file as text file simple by d...

Страница 59: ...iii On the Rebarscope display choose Upload Scan Map iv Now save the results into the PC d Uploading multiple Scan Maps i On the Rebarscope display go to Upload Menu ii On the Data Handler Software press the Upload Button iii On the Rebarscope display choose Upload Scan Maps iv Now save the results into the PC Note It is essential to move the scan cart at a slow rate 1 inch sec maximum to avoid ba...

Страница 60: ...command symbol c The software will show a 2D representation of Cover vs Distance in inches and it represents a cross section of the location that was crossed by the scan cart Fig 59 Graph Window Screen As shown in the example above 3 foot map it shows the existence of a rebar at a distance of 11 1 7 cover 22 7 1 7 cover and 36 0 9 cover ...

Страница 61: ...gure to the left by taking several scan readings and upload all the Scan Maps to the computer the 3D option will arrange these maps to generate a 3D graph showing the peaks that represents the existence of a rebar and valleys that correspond to absence of rebar also a color code is implemented that shows a rebar in the dark blue area of the graph and the empty areas are in green or orange color Fi...

Страница 62: ...e nothing will appear on the graph space d Set the Slice number to 2 e Browse for the second Scan Map usually all Scan Maps are save in the same location select it and click open f The graph starts to form and by adding more slices the graph will expand in the Z direction g To export the graph click Export h Choose s suitable format and click Save Fig 62 Graph Window with Export Dialog Screen ...

Страница 63: ...able connectors for bent or pushed in pins If yes the sensor cable problem will appear Step 3 Check sensor and front panel connectors If a pin s has been bent or pushed in the sensor connector cable problem will appear If steps 1 thru 3 do not correct the problem please contact our office for assistance and possible repair options b Sensor Board Problem Please Contact our Office for repair options...

Страница 64: ...nters in the Battery Status screen Go to Main Menu System Menu Battery Operations press Enter to reset the Charge and Discharge counters to zero These counters need to be reset periodically for the battery monitoring circuit to work properly Also Zeroing these counters will change the battery status value to 100 This will happen whether or not the unit was charged Therefore after resetting the cou...

Страница 65: ...click on Tools in the task bar at the top Select the correct Comport 1 20 from the drop down list 4 Go back to the unit and select the Test Data to upload 5 Go back again to the software and click on the Lightning Bolt icon in the task bar 6 Now press Enter on the unit to start the upload process The PC should say the computer is Receiving Data If these steps do not work it is possible the correct...

Страница 66: ... the unit back to James Instruments Calibration is recommended to be done annually or when display readings are suspected to be inaccurate Keep the unit clean If dust builds up in the unit clean it out with compressed air Safety Do not submerge unit in water This can cause electrical shock The sensor generates a magnetic field Do not point the sensor on products that are sensitive to magnetic fiel...

Страница 67: ...art Description R C 3015 Probe R C 3020 Scan Cart R C 3030 Coiled Cable R C 3031 Scan Cart Cable R C 3035 Headphones R C 3040 Locating Template R C 3051 Basic Software R C 3052 Scanning Software R C 3056 USB Cable R C 475 Scan Cart Upgrade S 31800 Charger ...

Страница 68: ...x 4 875 H Instrument Weight 5 4 lbs Complete System Weight 10 lbs Basic System Weight 8 lbs LCD Dimension 3 5 L x 4 65 H LCD Size 320 x 240 pixels Operating Temperature 10 50 C Covered Rebar Sizes 3 4 5 6 7 9 11 mm 6 10 13 16 19 25 29 32 35 38 41 51 Standard Copper Pipe Sizes 375 500 750 1 00 1 250 Standard Conduit Sizes 750 1 00 1 250 Power Source 14 4V 4hr continuous use ...

Страница 69: ...ply where the equipment manufactured or supplied has been subject to accident alteration misuse abuse improper storage packing force majeure improper operation installation or servicing In addition the following shall constitute the sole and exclusive remedies of Buyer for any breach by James of its warranty hereunder a New Products James warrants the equipment manufactured or supplied by James as...

Страница 70: ...m s of the original purchaser of such item s The price for each such extended limited warranty coverage period shall be as determined by the Company from time to time and all such purchases of any extended warranty coverage periods shall only be effective upon a completed purchase order and payment directly between James and the original purchaser of any such item s The extended warranty coverage ...

Страница 71: ...oes however warrant the equipment manufactured by it in proper working condition to be capable of being adjusted to meet James printed specifications if any for accuracy and performance as to the particular model type during the period of warranty applicable as stated above ii For Repair Services James warrants repair work performed under the direct control and supervision of James personnel for a...

Страница 72: ...67 www ndtJames com items are subject to usual wear and tear during usage Refer to the Consumable Wear and Tear Item section of this warranty document ...

Страница 73: ...rt of the contract between Buyer and the Company The Company prices can not include the cost of any related inspections or permits or inspection fees 4 Notices Notice by either the Company or Buyer will be made only by facsimile or similar electronic transmission effective on the first business day after confirmed receipt or by letter addressed to the other party at its address as provided in this...

Страница 74: ...to submit to the personal jurisdiction of the federal and or stale courts silting in Chicago Illinois U S A and agree that such courts may be utilized if necessary to obtain injunctive or any other relief The Hague Convention and the United Nations Convention on Contracts for the International Sale of Goods shall not apply to the construction or interpretation of these Standard Terms and Condition...

Страница 75: ...ve the option of paying an express service fee of 10 percent of the purchase price of said instrument plus the repair cost With this service you can receive the instrument back within 3 working days in the USA 5 working days for Europe International repair shipments must contain a commercial invoice listing the instrument being returned and must contain the words Country of manufacture USA Instrum...

Страница 76: ...Kedzie Ave Chicago IL 60618 4503 USA Tel 773 463 6565 Fax 773 463 0009 James Instruments Inc Europe Windmolen 22 7609 NN Almelo The Netherlands Tel 31 0 548 659032 Fax 31 0 548 659010 Purchase Date ___________________ Serial Number ___________________ ...

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