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UtilityScan DF Quick Start Guide

Page 48

Appendix A: Dielectrics of Common Materials (Soil Conditions)

Material

Dielectric Constant

Material

Dielectric Constant

Air

Wet Granite

6.5

Snow Firn

1.5

Travertine

Dry Loamy/Clayey Soils

2.5

Wet Limestone

Dry Clay

Wet Basalt

8.5

Dry Sands

Tills

Ice

Wet Concrete

12.5

Coal

4.5

Volcanic Ash

Asphalt

Wet Sands

Dry Granite

Wet Sandy Soils

23.5

Frozen Sand & Gravel

Dry Bauxite

Dry Concrete

5.5

Saturated Sands

Dry Limestone

5.5

Wet Clay

Dry Sand & Gravel

5.5

Peats (saturated)

61.5

Potash Ore

5.5

Organic Soils (saturated)

Dry Mineral/Sandy Soils

Sea Water

Dry Salt

Water

Frozen Soil/Permafrost

Syenite Porphyry

Wet Sandstone

Содержание UtilityScan DF

Страница 1: ...UtilityScan DF Quick Start Guide MN72 489 Rev G ...

Страница 2: ...cluding the right of reproduction in whole or in part in any form Published by Geophysical Survey Systems Inc 40 Simon Street Nashua NH 03060 3075 USA Printed in the United States SIR RADAN UtilityScan and PaveScan are registered trademarks of Geophysical Survey Systems Inc ...

Страница 3: ...owering Down 7 Section 2 2D Data Collection and Playback 8 New Project Mode and Last Project Mode 8 Configuring the Main Menu Options Right Pane of the Screen 12 Collecting 2D Data 24 2D Data Playback Mode 28 Section 3 3D Data Collection and Playback 32 Playback 3D Data 41 Appendix A Dielectrics of Common Materials Soil Conditions 48 Appendix B Examples of Some Common Objects 49 Appendix C Glossar...

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Страница 5: ... alteration or further damage and which in GSSI s judgment were defective or became defective during normal use GSSI ASSUMES NO LIABILITY FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES OR INJURIES CAUSED BY PROPER OR IMPROPER OPERATION OF ITS EQUIPMENT WHETHER OR NOT DEFECTIVE Before returning any equipment to GSSI a Return Material Authorization RMA number must be obtained Pl...

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Страница 7: ...uide Page 1 UtilityScan DF 2 1 3 4 5 1 Control Unit Panasonic Toughpad FZ G1 2 Ethernet Cable 3 Dual Frequency Antenna with battery 4 2 Wheel Cart with front antenna mount Or 5 4 Wheel Cart with capsule and foam insert for antenna ...

Страница 8: ...I application support and training services are also at your disposal Simply call 603 893 1109 or email training geophysical com with questions We d love to hear from you Keyboard and Snipping Capability The Panasonic FZ G1 Toughpad is designed to be used as a touch screen You may use your fingers to tap on an icon or menu option or you may use the attached stylus pen Snipping Tool Press the A2 bu...

Страница 9: ...battery takes approximately 4 hours Not lit Battery is not being charged Orange Charging Green Fully charged Red Remaining power is 9 or less Blinking Orange Battery can temporarily not be charged because the internal temperature is too high Note If the Toughpad battery dies and the system shuts down during data collection you will need to recharge the battery All of the data collected to the poin...

Страница 10: ... the value Cancel The icons will display as red or white depending upon whether or not it was the most recent selected option An icon will appear blue if it is hovered over with the stylus pen Display Channel Frequency Icons These icons will indicate what type of display is on the screen Also by tapping on them the display will change according to which one is selected High Frequency 800 mhz Low F...

Страница 11: ... the antenna before continuing to Step 2 2 To power up the system a Press and hold the power button on the Toughpad for about 2 seconds until a green light illuminates beside the power button The COMM light will illuminate green and the PWR light will illuminate red The PWR light will turn blue once the antenna has finished starting up b After a few seconds when the system boot up is complete the ...

Страница 12: ...ved New Project To configure and collect data for a new project Last Project Collect data using the same configuration as the last project 7 If there is no communication between the Toughpad and the antenna or there is no antenna attached to the Toughpad New Project and Last Project will display as No Antenna Found and a red X will appear over the antenna icon The green light on the antenna in the...

Страница 13: ...se Application to return to start screen At this point press and hold the power button for about 3 seconds The system will shut down properly Power Off Close Application and turn OFF System power The system will automatically shut down Recommended Note If the system was not powered down properly and before the next time you power up you must disconnect the battery on the antenna and then re connec...

Страница 14: ... folder for a new project 1 Tap on the arrows and select a folder project All files will be saved to this folder and the name of the files will be folder name a sequential number Tap on Accept to continue 2 Tap on New Data Path to create a new folder project Enter and save the new folder project name Highlight the new folder project by tapping on the arrows Tap on Accept to continue 3 Tap on Cance...

Страница 15: ... the same The following screen is displayed once a folder is created or Last Project Mode is selected The Screen is divided into three sections Data View Linescan and O Scope Main Menu located at the right pane of the screen and the Sub Menu located at the bottom of the screen ...

Страница 16: ...the antenna Battery Power remaining for the Toughpad The Data View screen will display data in any one of the follow views High Frequency Low Frequency Blend All Three Default Switching between Data View screens and frequencies Display just one frequency at a time by tapping the icon at the top of the O Scope Tapping the frequency icon again will display all three modes ...

Страница 17: ...UtilityScan DF Quick Start Guide Page 11 High Low Blend and Active Frequency Symbols High Frequency Low Frequency Blend Active Display ...

Страница 18: ...equency Dielectric Constant Enter the Dielectric of the soil if known See Appendix C for more Dielectric information Soil Type Choose a basic soil type from a menu of preset types Each of these has an associated dielectric value Scan Density Possible choices are Normal 18 ft or 50 m and High 36 ft or 100 m Autosave The system will automatically save each file if this is turned on When off the syst...

Страница 19: ...e quality of the GPR signal Manual Allows you to adjust the Gain Curve Number of Points Number of Gain Points or Individual Sections to adjust the Gain Curve Ranges for 1 point to 8 points GP 1 8 dB If Manual Gain Mode is selection adjust each Gain Point accordingly Values range from 42 to 126 Note Tap on the double arrows up or down to display the appropriate gain points ...

Страница 20: ...e system will remove flat bands in the data of that many scans or higher Signal Floor Shows a visual indicator of noise levels The shaded green area indicates an area of degraded signal in which some target types weak reflectors may not be readily visible Migration Allows the computer to estimate a dielectric constant by examining the shape of the hyperbolas Hilbert Transformation Change all migra...

Страница 21: ...e peak of the curve indicates the utility s position Frequency Mode This mode detects a line with a given radio frequency signal piggybacked on them It is designed to work with common widely available transmitters not included Clip the transmitter to the metallic utility the utility s tracer wire or non contact induce the signal as you would with a standard line locator Select the matching frequen...

Страница 22: ...t Guide Page 16 Power Mode Frequency Mode Data illustrates two power lines entering a large Data illustrates a small electrical conduit buried among commercial building multiple tree roots Crosshairs indicates conduit position ...

Страница 23: ...utton 4 Move Antenna to Stop Mark Take care to ensure that the portion of the antenna which began at the start mark is the same portion which ends at the stop mark Press the Stop button 5 You will see the new calibration value displayed at the bottom of the screen It will be negative for the 3 wheeled cart and positive for the 4 wheeled cart Tap on Accept Configure GPS Select this option to config...

Страница 24: ...location of the color associated with zero amplitude Positive values shift the distribution to the right more positive negative values to the left more negative Dual Channel Split Both channels to be displayed separately with individual scales Blend Both channels are blended together The high frequency data is displayed at the top and the lower frequency data is on the bottom Blend Mode Manual Sel...

Страница 25: ...UtilityScan DF Quick Start Guide Page 19 Blend Mode Display Example Split Mode Display Example High Frequency Display Example Low Frequency Display Example ...

Страница 26: ...ice Copies the data from the Data Path AND DELETES those files from the Toughpad Opens a File Explorer to choose which files to move to a USB drive Select files to remove from the Toughpad and place on the USB drive Press the Check icon to move The File Explorer will close and a grey bar will appear at the top of the screen When the move is complete the grey bar will disappear and the Folder Name ...

Страница 27: ...ical scale in distance units Time Display the vertical scale in time units Depth Units Select the unit of measurement for Depth or the vertical scale H Scale Density Select whether to display the horizontal scale during data collection with either Low Medium or High density of minor ticks ...

Страница 28: ...is will power off the antenna as well Return to Application Discard Shutdown Request and return to Setup Screen Versions Displays Version information for the software and firmware User Interface Language Set Language Button Design Label Symbol or Combo Brightness Up or Down Set contrast up or down Save Setup Save a current configuration for future use Recall Setup Recall a saved configuration ...

Страница 29: ...l viewing Active Channel Toggle between the following modes High Frequency Low Frequency Split Blend Based on which display is selected under Output Options Display Start Scan Begin to collect data Playback Mode This will take you to playback mode if you wish to view saved data File Info Information about the file File names can be changed here as well All files will have a sequential number added...

Страница 30: ...en that corresponds with the center of the antenna When the vertical line is over the top of a feature the center of the antenna is also over the feature 4 Using the two marks on the side of the cart or the antenna as reference points mark the ground at each side of your cart Then move the cart out of the way and place an X between the two marks 5 After backing up new data will not be collected un...

Страница 31: ...a known depth or perform a velocity test on the data to estimate a dielectric value and get more accurate depth estimates Also add a color coded icon to a hyperbola to identify a known target The icons for Set Depth Focus On and Add Target appear at the bottom when the system is backed up Set Depth Can be used with Migration turned on or off from the Signal Process Filters Menu 1 Using the stylus ...

Страница 32: ...tch the Focus On hyperbola with a hyperbola on the screen 4 Select either Set Focus or Focus Off Set Focus to accept the hyperbola This will change the dielectric value Focus Off to cancel this process Add Target Only available when both horizontal and vertical cursors are visible 1 Using the stylus pen place the cross hair on a hyperbola 2 Tap Add Target A vertical color tablet will appear 3 Sele...

Страница 33: ...ng Hilbert Transform on 1 Turn Migration or Hilbert Transform On from the Signal Process Filters Menu 2 Start Scan to begin collecting data 3 Once hyperbolic reflections appear on the screen pull the system straight back along your survey line 4 When the system is backed up two sliders appear on the screen Move the top slider to the left or right to change where real time migration window appears ...

Страница 34: ... connected to run this mode After selecting Playback Only choose which file to review Tap on the arrows and select a file or files Tap on Accept to continue to the Playback Setup screen During playback you can perform all the following functions Pause move Backward move Forward select Next File if multiple files were originally selected or Stop Playback Add vertical User Marks Set Depth or turn Fo...

Страница 35: ...d Stop Reset Gain Reset the display gain for optimal viewing Select File Select another file to playback Playback File s Displays the data in whichever display is currently selected High Low Split or Blend See next section for options during Playback Collect Mode This will take you to collect mode if you wish to collect data File Info Information about the file ...

Страница 36: ...ir X for distance Z for depth Place the stylus pen on the screen to move the cross hair to the desired position Menu Options at the Bottom of the Screen Backward Scroll the data towards the beginning of the file Forward Scroll the data towards the end of the file Mark Mark the data for reference points 1 Place the stylus pen on the screen 2 Move the pen around and place the vertical line where you...

Страница 37: ...place the horizontal line at the known depth 3 Tap the Set Depth Icon 4 Enter and accept the known depth Focus On Turns on Focus Mode to adjust the Dielectric Constant and get more accurate depth estimates Pause Pauses playback Next File If multiple files were selected for playback this will advance through them in sequence Active Channel Toggles between the High Frequency Low Frequency or Split B...

Страница 38: ...stem as desired for a new project or continue with an old project Last Project Mode will bypass the Folder selection screen and continue with the last project with all its settings from the last project In this mode you still can make changes to the settings In either mode the options are the same After selecting New Project select which folder you would like to save your data to or create a new f...

Страница 39: ...rdinate where data collection will begin in the X Axis X End Grid coordinate where data collection will end in the X Axis Y Start Grid coordinate where data collection will begin in the Y Axis Y End Grid coordinate where data collection will end in the Y Axis X Line Spacing Separation between transects collected in the X Direction Y Line Spacing Separation between transects collected in the Y Dire...

Страница 40: ...UtilityScan DF Quick Start Guide Page 34 ...

Страница 41: ... arrow shown on the 3D collection screen The center of the antenna corresponds with the raised marks on the sides of the cart 3 By default the system starts in the X direction when collecting data in both the X and Y Directions 4 With the cart in position press the Run button 5 Move the cart forward to the other end of the grid The bottom pane will change offering different options 6 When the cart...

Страница 42: ...a collection automatically 8 Continue Steps 4 7 until you ve finished collecting in the first direction 9 If collecting in two directions then position the cart back at the starting corner and pointed up the Y Axis Repeat Steps 4 7 10 Once finished collecting both directions of data press 3D Playback Mode This will process the current data and return to the Playback Setup Screen ...

Страница 43: ...r as it will go along the line 2 Press Stop to end data collection 3 Press Next Line to advance to the next profile in the grid Collecting Around an Obstacle If an obstacle is in the middle of a line data can be collected on either side of it This only works with one obstacle per profile 1 Move the cart forward as far as it will go along the line 2 Press Stop to end data collection 3 Move the cart...

Страница 44: ...he profile 5 Move cart to the end of the grid and stop when the antenna is centered over the end of the grid 6 Press Stop to end data collection The second half of the file will automatically be repositioned so that the end of the profile corresponds to the edge of the grid ...

Страница 45: ...e cart to position the vertical cursor over a hyperbola you want to mark Drag the horizontal cursor to form a cross hair over the hyperbola Adding a Target A color coded target can be added to the data during data collection Begin collecting a profile Back up the cart to position the vertical cursor over a hyperbola of known quantity Drag the horizontal cursor to form a cross hair over the hyperbo...

Страница 46: ... Use Next Line or Previous Line to move around the 3D grid until located at the profile s to be recollected Line up the antenna and press Run to recollect the profile The new profile will replace the earlier profile automatically Changing the Data Display Active Channel During data collection press Active Channel to toggle between frequencies and Split Blend data views ...

Страница 47: ...t a grid Tap on the Check to select the grid and continue to the Playback Setup screen 2 During playback you can perform all the following functions Slice in the X Y or Z depth axis and adjust thickness Perform a Migration and Hilbert Transform Change the Dielectric Constant Soil Type and Display Gain Set Depth or turn Focus On to estimate the dielectric value Select Active Channel or which freque...

Страница 48: ...he bottom pane When Z Slice is selected two sliders appear above and to the right of the data Slice Thickness Slider to the right of the data By moving the slider up and down the slice thickness changes This will show you a greater thickness of the data in one image and may result in targets of different depths showing on the same image Slice Position This is the depth of the current slice and cor...

Страница 49: ... profiles sliced in the Y direction that were collected in the X direction Start and End Position This is the range between which the slices will scroll automatically when Animate is turned on from the bottom pane Slice Position This is the location of the current slice and is adjusted by moving the slider at the top of the data Cube View Displays a cube in the top left corner of the data showing ...

Страница 50: ...rrent scroll and begin back at the first profile Reset Gain Reset the display gain for optimal viewing Select Grid Select another grid from the current project file to playback Playback File s Displays the data in whichever display is currently selected High Low Split or Blend See next section for options during Playback Collect Mode This will take you to collect mode if you wish to collect data F...

Страница 51: ...air X for distance Z for depth Place the stylus pen on the screen to move the cross hair to the desired position Menu Options at the Bottom of the Screen Backward Scroll the data towards the beginning of the file Forward Scroll the data towards the end of the file Mark Mark the data for reference points 1 Place the stylus pen on the screen 2 Move the pen around and place the vertical line where yo...

Страница 52: ...e screen 3 Obtaining a better Dielectric Constant is done by moving the vertical slider until the hyperbolic reflections become dots or vertical bars See Appendix C for more information 4 The new Dielectric Constant is automatically applied to all of the profiles in the 3D grid Stop Playback Return to the Playback Setup Screen Set Depth Input a known depth to the data This will update the dielectr...

Страница 53: ...ide Page 47 Next File If multiple files were selected for playback this will advance through them in sequence Active Channel Toggles between the High Frequency Low Frequency or Split Blend data Gain Up Down Adjusts the Display Gain ...

Страница 54: ... Clay 4 Wet Basalt 8 5 Dry Sands 4 Tills 11 Ice 4 Wet Concrete 12 5 Coal 4 5 Volcanic Ash 13 Asphalt 5 Wet Sands 15 Dry Granite 5 Wet Sandy Soils 23 5 Frozen Sand Gravel 5 Dry Bauxite 25 Dry Concrete 5 5 Saturated Sands 25 Dry Limestone 5 5 Wet Clay 27 Dry Sand Gravel 5 5 Peats saturated 61 5 Potash Ore 5 5 Organic Soils saturated 64 Dry Mineral Sandy Soils 6 Sea Water 81 Dry Salt 6 Water 81 Froze...

Страница 55: ...Objects These examples are presented for informational use only The images that you see on your own site conditions may vary Example 1 This data shows a bank of conduits feeding into an industrial building Note the dipping edge of a trench cut to the upper left of the conduits ...

Страница 56: ...UtilityScan DF Quick Start Guide Page 50 Example 2 This image shows a drain line coming out of a restroom Also note the mesh at the top of the screen ...

Страница 57: ...UtilityScan DF Quick Start Guide Page 51 Example 3 This image shows data collected across a driveway and the location of a conduit from the telephone pole to an industrial building ...

Страница 58: ...UtilityScan DF Quick Start Guide Page 52 Example 4 This image shows data collected along a driveway next to a business This shows a concrete culvert with a cable running through it ...

Страница 59: ...UtilityScan DF Quick Start Guide Page 53 Example 5 This image shows a gas line and communication cables Fiber Optic going across a driveway ...

Страница 60: ...ement As a safety feature you will always give about a 1 foot or about 1 3 meter margin of error when estimating the depth of a target Filter A process to remove unwanted noise in the data so that targets can be seen more clearly Filtering is a trial and error process therefore trial runs are necessary using different filtering values to determine the best configuration for a job site There are tw...

Страница 61: ...of 3 5 9 or 15 the process with take each scan and replace that scan with the average values of the surrounding scans Be aware that too much stacking can filter out real targets In this example stacking of 3 is the best result Targets at the top begin to disappear with higher scans to average No Stacking Stacking 3 Stacking 15 Stacking 9 Stacking 5 ...

Страница 62: ... Start Guide Page 56 Gain Adding or subtracting Gain from data will amplify or lower the image of the RADAR signals It is advised that you use the lowest gain that will show targets Gain too low Correct Gain Gain too high ...

Страница 63: ...t the location and in some cases the size of the target This makes the recognition of point reflectors much easier especially in 3D surveys in which the goal of the survey is to locate linear features such as pipes or rebar Migration also offers a simple and accurate way of calculating the radar velocity and thus dielectric of the material your target is in from the shape of the hyperbolas Before ...

Страница 64: ...hus have three files associated with it FILE_001 DZT RADAR data FILE_001 DZX filter and gain settings for the raw data and FILE_001 DZG GPS location info Hardware Setup 5 Attach the GPS receiver securely to the UtilityScan DF system 6 Measure and make note of the offset of the GPS receiver from the GPR antenna 7 Plug the serial port from your GPS into the GPS port on the top of the dual frequency ...

Страница 65: ...or less is required for the system to record GPS data HDOP 2 Latitude and Longitude are displayed Data is being collected HDOP 2 Data is being collected but the accuracy is low Lost connection Connection was never established Transferring GPS files A third file type File_001 dzg will be collected with each GPR data file All of the files will be stored in the same project folder Transferring the GP...

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Страница 68: ...40 Simon Street Nashua NH 03060 3075 USA Geophysical Survey Systems Inc www geophysical com sales geophysical com Image Your World ...

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