DolphiCam User Manual 1.5
Contents
1. DolphiCam User Manual July 28 2015 Albert Payaro Eskil Skoglund amp Jan Olav Endrerud www dolphitech com 2014 DolphiTech All rights reserved DolphiTech the DolphiTech logo and other DolphiTech marks are owned by DolphiTech and may be registered Windows is a trademark of Microsoft Corp registered in the U S and other countries All other trademarks are the property of their respective owners DolphiTech assumes no responsibility for any errors that may appear in this manual Information contained herein is subject to change without notice me Quick Start Guide www dolphitech com CHARGE CAMERA INSTALL SOFTWARE dol JY e Insert USB stick amp install the software e Remove USB stick e Charge the camera e Charge LED green when fully charged CONNECT CAMERA amp SCAN START APPLICATION O a e Start camera Set Off Mode to 1 e Connect camera to a USB port e Click Scan Button to scan e Start DolphiCam application e Click Scan Button to freeze w gt p lt 8 v w ra Ml ox a0 lt x F O w E 2 O O ec N Contents 1 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 Overview General Visualization Materials DolphiCam 1 4 1 DolphiCam Hardware Upgrade Mark versus Mark II 1 4 2 Inthe Box 1 4 3 Off Mode Switch 1 4 4 Scan Button 1 4 5 Charging 1 4 6 Installing Software 1 4 7 Connecting and Starting the Ca2. Another benefit with the reduced region of interest is that it is even easier to obtain coupling over the complete are of interest To activate the drilled hole inspection PC mode lt Tools gt lt Drilled Hole Inspection gt Tablet mode Drilled Hole Inspection Region of Interest 1 11 26 Drilled Hole Measurement Tool When enabling the drilled hole inspection the drilled hole measurement tool is available To enable to the measurement tool open the settings window and push the lt Drilled Hole Measurement gt button Drilled Hole Measurement Tool Once enabled you will get the measurement circles and lines overlaying your C Scan images and a control and result GUI will pop up as shown below 32 dolphi There is an inner circle and outer circle The inner circle is used as a reference of your actual hole The outer circle is to set your maximum allowable defect zone or to actually measure the size of your defect The circles can be controlled either by click and drag inside the C Scan or by pushing the control buttons in the measurement control interface The aligning of the circles can be moved around in the C Scan either my click and drag inside the inner circle or the help circle on bottom right corner Lastly you can set the angle that embraces the defect This is also controlled either by click and drag the lines inside the circles or by using the control interface Once you have aligned your circles a
3. tif bmp jpg AScan png tif bmp jpg BScanVertical png tif bmp jpg BScanHorizontal png tif bmp jpg CameraSettings txt Creates a png tif bmp jog image of main window Help menu About DolphiCam Display serial number camera description software version nn E acmiae i Opens the link to DolphiTech support page 1 14 Controlling DolphiCam Settings DolphiCam settings are configured using Tools gt DolphiCam Settings Settings are stored in separate setting files This makes it easy to handle different settings for different NDT scenarios Some settings are controlled in the main window amplitude threshold gate values color focus C Scan image selection e Save settings o Save settings to a settings file e Load settings o Load settings from a settings file Setting files are stored in the Profiles folder located in C Users Public Documents DolphiCam Profiles folder Windows 7 and have a DolphiCam extension DolphiCam can be started with a setting file as a startup parameter lt path to dolphicam exe gt dolphicam exe lt DolphiCam file gt Example Start DolphiCam with the settings file impact01 DolphiCam located in the default setting folder C Users Public Documents DolphiCam Profiles DolphiCam exe impact01 DolphiCam 2 Technical Specifications Dimensions 115 x 170 x 68 mm 4 5 x 6 7 x 2 7 Weight 0 470 kg 1 04 lbs Detection and inspection CFRP composite materials l
4. Flight mm 19 1 11 3 Color Focus By default the DolphiCam will spread colors in the palette evenly over 0 100 in Amplitude Images and over the complete depth in TOF image By using the Color Focus Slide Bar to the right of the C Scan it is possible to focus the colors in a smaller part of the color scale The color focus is possible for both amplitude images and Time of Flight images depth mm inches mils There is a top slider and bottom slider to control the color focus You can also move the selected color focus by click and hold in between the top and bottom slider and drag your color focus area up and down Time of Flight Color Focus In Time of Flight image all colors above the top slider will be given the color of the top slider and all values below the bottom slider will be given the value of the bottom slider C Scan Time of Flight mm 7 mm Amplitude Color Focus In all amplitude images C Scan and B Scan all colors above the top slider will be given the color of the top slider and all values below the bottom slider will be given the value of the bottom slider C Scan Amplitude 20 1 11 4 Measurement in C Scan Measuring can be done when measuring line button is activated You can measure by left clicking drag and hold You can add up to 10 measure lines Amplitude a B Scan Vertical 2 8 53 ToF Amp F C S
5. Scan B Scan Horizontal 100 E Threshold 1 0 Amplitude 1 4 8 Low Battery Low battery is indicated in the software by a blinking battery symbol in top left corner NN File Tools View Help 1 4 9 Sleep mode To save battery for unnecessary draining the camera has enabled sleep mode by default If leaving DolphiCam scanning unintentionally for 15 minutes a warning message will occur and the camera will stop scanning and go into standby sleep mode in 60 seconds Camera has been scanning for 15 minutes Entering sleep mode in 60 seconds Push scan button to interrupt Sleep mode can be disabled enabled from the Tools menu Tools DolphiCam Settings View Help Manual Stitching Drilled Hole Inspection Enable Sleep Mode Research Features 10 1 5 Starting Application Start the DolphiCam software by clicking on the icon on your desktop t Delphicar Alternatively start DolphiCam with the name of a DolphiCam configuration file as a parameter Example C Program Files x86 DolphiTech DolphiCam DolphiCam exe lt mysettings gt dolphicam You can also double click on the configuration file to start DolphiCam software 1 6 Software Overview Main window Crosshead Image modes 6 Measurement tool DolphiCam user defined 7 3D Gate Settings ToF Amp C Sean Time of Flight m Vertical B Scan T gonneg A 7 16 18 20 2
6. Scan view when envelope is disabled 33 A Scan Envelope Fj A Scan Envelope E A Scan Threshold 1 035 E Threshold 1 05 Amplitude Amplitude 5 Depth 1 11 28 Save The current settings are stored to the DolphiCam Profiles folder with a DolphiCam file extension See Controlling DolphiCam Settings chapter 1 14 for more information Save settings The current settings are stored to the DolphiCam Profiles folder with a DolphiCam file extension 1 11 29 Load Load settings from the DolphiCam Profiles folder with a DolphiCam file extension Load settings Load settings from the DolphiCam Profiles folder with a DolphiCam file extension 1 11 30 Reset Resets all settings to default values 1 11 31 Close Close the DolphiCam settings window in PC Mode Tablet Mode only allows to show hide the Camera settings by clicking of the arrow button 34 dolphi 1 12 Manual Stitching Manual stitching is a powerful and effective way to create larger images made of multiple C Scans To start manual stitching e PC Mode go to lt Tools gt lt Manual Stitching gt To leave stitching mode and go back to main window go to lt Tools gt lt Exit Stitching gt As q gt y e Tablet Mode Click on the following button T File Tools Help DevFeatures Tiles in View le 3 le Ei 9 Stitching C Scan Time of Flight A 12 18 One way of using st
7. To control each gate simply click closest to the start or end gate you want to control to activate this gate You can also select the gate by writing or scrolling in the small gate index window between the Start Gate box and End Gate box _Start Gate _ End Gate Le 377 le f 3 96 fia B Scan Vertical I l I faa l I Time of Flight Amplitude 3D C Scan Amplitude 23 dolphi 1 11 9 Number of ToF Gates C Scan Time Of Flight can have 1 2 or 3 gates to inspect one or several sections of your material Number of Amplitude Gates 3 Number of ToF Select from dropdown list Gates To control each gate simply click closest to the start or end gate you want to control to activate this gate You can also select the gate by writing or scrolling in the small gate index window between the Start Gate box and End Gate box Start Gate End Gate E zs fa 312 Time of Flight Amplitude 3D B Scan Vertical C Scan Time of Flight mm 1 11 10 Material Sound of Speed Sound of speed in m s or ft s for the material Material sound of Set value speed e Enter numeric value default 3000 m s for the material to be examined 1 11 11 Transmitting Elements The transmitting energy can be adjusted using different number of transmitting elements 1 8 Transmitting a higher number of elements gives higher energy and focus at higher depths Transmitting fewer elements gives less energy but
8. dolphi 5 4 Disposal and recycling information Your DolphiCam must be disposed of properly according to local laws and regulations Because it contains a battery DolphiCam must be disposed of separately from household waste When your DolphiCam reaches its end of life contact DolphiTech or your local authorities to learn about recycling options Battery replacement The lithium ion battery in DolphiCam should be replaced only by DolphiTech or a DolphiTech Authorized Service Provider and must be recycled or disposed of separately from household waste For information about battery recycling and replacement go to www dolphitech com support European Union Disposal Information The symbol above means that according to local laws and regulations your product and or its battery shall be disposed of separately from household waste When this product reaches its end of life take it to a collection point designated by local authorities The separate collection and recycling of your product and or its battery at the time of disposal will help conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment 6 License terms View License terms in License Information link in About DolphiCam window DolphiTech AS Building 1 Raufoss Industrial Park N 2830 Raufoss Norway Email post dolphitech com Web www dolphitech com 44
9. might give higher resolution for very thin composite materials Note that the transmitting elements are aligned next to each other along an array in the vertical direction 24 1 5 transmitting elements The default number of transmitting elements is 4 for CFO8 and 8 for CF16 Transmitting Elements 4 default Transmitting Select from dropdown list elements e 1 2 default for CF08 3 A 5 6 7 8 default for CF16 1 11 12 Analog Gain Easy analog gain control to raise lower the gain in receiver electronics When TCG time corrected gain is enabled the analog gain control will raise lower the complete TCG profile Analog Gain 391 dE mma ata Analog Gain Control with buttons e Range 1 3 dB to 50 8 dB Markl Range 24 9dB to 74 5dB Markll Default Different default gain adapted for each transmitting pulse shape When mixing gain settings between Markl amp Markil hardware the gain will snap into the closes possible gain Ref Application Notes on http www dolphitech com support Application Note 07 Gain Compatibility Mark amp Mark II 29 1 11 13 Number of Averages Number of Averages Noise reduction strategy You can choose how many averages the system runs on each transducer element A lower number of averages gives you slightly poorer Signal to Nose ratio but a higher frame rate 2 4 1 gives higher frame rate 2 Default Noise reduct
10. 2 24 26 28 30 PC Tablet Mode Horizontal B Scan 1 6 1 Calibrating the Camera Before use the camera must be calibrated This will ensure that the ultrasound system is adjusted to the small variances in the transducer as an effect of microscopic deformations temperature variations and other factors Calibration is performed towards air 11 The Calibration Wizard starts the first time the camera is connected to the PC Calibration Required Make sure transducer surface is clean Point the camera towards air Turn the mode switch to CALIBRATE e Make sure transducer surface is clean e Point the camera towards air and turn Mode Switch to Calibrate e Click the Scan Button to start scanning not necessary for first calibration e The calibration sequence will take a few seconds e Turn Mode Switch back to 1 when the calibration is finished e Click the Scan Button again to stop scanning Calibration Complete Time Calibration Amplitude Calibration Pulse Nr Amp Avg Turn the mode switch back to 1 to exit calibration mode The camera can be re calibrated at any time and all pulses are calibrated The calibration is not affected by camera settings 12 1 6 2 Taking Images Click the Scan Button to start scanning video Click the Scan Button again to freeze image stop scanning When scanning towards air the result will look something like thi
11. C Scan crosshairs over the depth of the material C Scan Time of Flight mm Threshold 12 Amplitude 1 9 B Scans The B Scan represents a cross section through the material There are two B Scans a vertical B Scan and a horizontal B Scan The B Scans are taken at the position of the white lines in the C Scan image To reposition the B Scans click inside the C Scan to move the white cross hair to a different position The cross hair will reposition itself at the time of the next picture frame 1 9 1 Vertical B Scan The vertical B Scan is positioned to the left of the C Scan and above the A Scan The vertical B Scan displays a vertical cross section at the position of the vertical line in the C Scan image Notice the relationship to the color in C Scan TOF image and the depth of the reflections defects in your B Scan B Scan Vertical Start Gate EndGate _ The start and end gates can be set by clicking near the gates in the vertical B Scan or by modifying the gate values above gating is described more in detail in chapter 1 11 1 15 dolphi 1 9 2 Horizontal B Scan The horizontal B Scan is positioned to the right of the A Scan and below the C Scan The horizontal B Scan displays a horizontal cross section at the position of the horizontal line in the C Scan image B Scan Horizontal Depth scale _ 1 10 3D View Data from the Time of Flight scan is used to give a 3D representation of the mater
12. ED switches from red to green light To view a live image stream from the Leave the scan button Scan LED is green camera To end scanning and freeze current Click Scan Button again Scan LED switches from green to red light image Make sure that you do not unintentionally leave the camera in scanning mode as this will drain the battery 1 4 5 Charging The DolphiCam is delivered with some power in its internal battery The camera should be fully charged with the supplied charger before first use Charge DolphiCam with the included USB cable or power adapter Using damaged cables or chargers or charging when moisture is present can cause electric shock Power adapters may become warm during normal use and prolonged contact may cause injury Always allow adequate ventilation around power adapters when using them If the camera is left scanning or just on position 1 2 3 Calibrate when not in use the battery will drain and might become completely discharged If battery is completely discharged you must charge while DolphiCam is OFF for at least 30 minutes before continue use It is not recommended to operate DolphiCam scanning when battery is completely discharged as this will strain the charger more than maximum charge current 2A Although the charger has protective circuits the charger may become very warm As with any equipment containing high energy Li lon batteries it is not recommended to leave the equipment unatte
13. F e Stitched C Scans Amplitude or Time Of Flight e 3DView The DolphiCam Graphical User Interface can be displayed in two different modes e PC Mode Menus are found on the top left of the application e Tablet Mode Menus are located on the right of the application and are touch friendly PC mode File Tools View Help m 31 186 B Scan Vertical C Scan Amplitude o C Scan Time of Flight 20 180 240 Threshold 1 0 B Scan Vertical C Scan Amplitude C Scan Time of Flight 00 Threshold 1 0 For each Mode 4 Views are available e All Displays A B C Scan Amp and ToF at the same time e Classic Displays A B and C Scan Amp or ToF e 1xC Scan Presents A and C Scan Amp or ToF e 2xC Scan Presents A and C Scan Amp and ToF Ez View Classic 2 x C Scan ji 1 3 Materials The DolphiCam is designed for the following materials Material type Min approximate Max approximate thickness thickness CFRP Carbon fiber reinforced plastic 1mm 8 mm CF08 16 mm CF16 NOTE Depending on the exact material variant material additives surface treatment and surface structure exact minimum and maximum thicknesses may vary 1 4 DolphiCam Scan Button Transducer Pad USB Cable Off Mode Switch 1 4 1 DolphiCam Hardware Upgrade Mark I versus Mark II As of June 2015 DolpiTech offers and hardware upgrade Mark II For
14. Mark Il hardware the receiver electronics has been modified to improve the signal to noise ratio by 12dB The Mark and Mark II are still compatible but will have a slightly different gain and TCG performance For compatibility details view application notes on http www dolphitech com support Application Note 07 Gain Compatibility Mark amp Mark II Mark I DolphiCam Hardware version 4 5 6 7 CF08 amp hardware version 10 11 CF16 Mark Il DolphiCam Hardware version 8 CF08 amp hardware version 12 CF16 1 4 2 In the Box The DolphiCam comes in a protective case Contents e DolphiCam with a protective cap e USB stick with DolphiCam software e Plexiglas flower for demonstration purposes e Charger EUR UK or US standards e Spare protective cap 1 4 3 Off Mode Switch Turn the camera ON OFF and switch between different camera modes Description Position Reserved currently the same as Mode 1 Reserved currently the same as Mode 1 Calibrate Camera in Calibration Mode 1 4 4 Scan Button Start end scanning The Scan Button must be clicked press and release to start scanning video images The Scan Button must be clicked again to freeze the images stop scanning The Scan LED is placed in the camera top oriented towards the operator just below and to the right of the Scan Button Scanningimages Action Indication o To start scanning Click Scan Button Scan L
15. Microsoft NET Framework 4 Microsoft NET will be updated in the background if necessary DolphiCam USB drivers will also be installed in the background Close DolphiCam setup Restart the computer if asked to do so 41 dolphi dolphi B Dolphicam Setup oD DolphiCam Setup Successful You must restart your computer before you can use the software Setup is complete 42 5 Handling Safety amp Support 5 1 Cleaning the DolphiCam Cleaning the DolphiCam housing Clean DolphiCam immediately if it comes in contact with anything that may cause stains such as dirt ink paint or oil Turn Off the DolphiCam and disconnect it from the PC Wipe it off clean it with a soft lint free cloth moistened with mild soap water Remove the protective cap and carefully clean around the Transducer Pad Do not clean the silicone directly as it will be cleaned separately Do not use solvents of any kind Avoid getting dirt into openings Don t use aggressive cleaning products or compressed air Put the protective cap back on Cleaning the Transducer Turn the DolphiCam Off and disconnect it from the PC Remove the protective cap Clean the DolphiCam housing first see above Put a drop of mild dishwasher soap on the transducer pad and rub it gently with the tip of your finger Dip your finger in water and rub on pad until soap is gone Make sure the Transducer Pad isn t scratched or damaged Moist a soft lint free
16. ages no effect Time Of Flight Statistical Mode Occurences i 0 302 303 304 305 306 307 308 309 310 311 312 Time Depth 1 11 24 Amp Running Average The Amp Running Average is a common image processing algorithm and will also smoothen your streaming amplitude C Scan image by using information from previous images It creates a delay in your amplitude C Scan Amp Running Average 1 00 Alpha The algorithm is controlled by the unit Alpha Alpha is the forgetful factor which regulates the update speed of the image how fast the accumulator forgets about earlier images If alpha is set to 1 00 it Default setting 1 Alpha no effect 31 dolphi means that the algorithm forgets all previous images and only uses the most recent image which is the same as if the algorithm was not enabled 1 11 25 Drilled Hole Inspection Drilled hole inspection enables you to inspect drilled holes robust fast and effectively What it does is to only use a selected region of interest in the middle of the transducer It only runs through 3300 transducer elements instead of all 15376 elements view figure below for explanatory figure This gives you a faster frame rate which gives the user fast feedback and enables him her to find the correct area of inspection and adapted pressure to camera on the hole The fast frame rate is very beneficial when using the image algorithms ToF Statistical Mode and Amp Running Average
17. are Handling Safety amp Support 5 1 Cleaning the DolphiCam 5 2 Important safety information 5 3 DolphiCam Support 5 4 Disposal and recycling information License terms 34 34 35 39 39 39 40 41 43 43 43 43 44 44 1 Overview 1 1 General DolphiCam is an advanced ultrasound camera designed for test and inspection of CFRP Carbon fiber reinforced plastic to detect material flaws and defects The DolphiCam connects to a standard Windows PC or Windows tablet not included making it easy to view and interpret results There are two main versions of DolphiCam DolphiCam CF08 can inspect CFRP up to 8mm thickness DolphiCam CF16 can inspect CFRP up to 16mm thickness The CFO8 has higher frame rate and typically better resolution in the range 1 8mm thickness CF16 has a thicker dry coupling which leads to wider spread of the ultrasound from each transducer element The camera has a transducer with 124 x 124 15376 elements over the 31x31 mm transducer 16 elements mm7 capable of detecting very small defects The transducer pad is silicone based enabling dry coupling on smooth and painted surfaces Water or contact gel can be used to improve coupling on rougher surfaces Dry Coupling Pad 15 376 elements 1 2 Visualization DolphiCam supports the following visualization images e A Scan e B Scans o B Scan Horizontal o B Scan Vertical e C Scans o Amplitude Amp o Time Of Flight To
18. can Time of Flight B Scan Horizontal 21 dolphi 1 11 5 Depth Measurement in B Scan If measure control is enabled a you can measure by left clicking drag and hold in any of the B scans you can measure the depth and the size of the defect This is useful for measuring the size of material defects You can add up to 10 measure lines in each of the B Scans B Scan Vertical 1 11 6 Unit Sets the units for the system Unit Millimeters Select from dropdown list e Millimeters mm default e Inches in e Mils 1 1000 inches 1 11 7 Material depth Limits the material thickness to be examined Sets the depth scales for A Scan and B Scan Also this affects the color distribution in C Scan TOF It is recommended to set the Material Depth to just include your back wall echo as this takes advantage of all the colors in your palette 22 Material Depth Material depth CFO8 Material depth CF16 Use slider select an approximate material thickness in the range 1 1 8 8 mm or e 0 044 0 317 inches or 44 317 mils Use slider select an approximate material thickness in the range e 1 1 18 4 mm or e 0 044 0 723 inches or e 44 723 mils 1 11 8 Number of Amplitude Gates C Scan Amplitude can have 1 2 or 3 gates to inspect one or several sections of your material Number of Amplitude Gates 3 Number of Amplitude Gates
19. cloth with water and wipe off excessive water carefully Put the protective cap back on 5 2 Important safety information Charger Only use a charger specifically designed for your DolphiCam Repairing Don t open DolphiCam and don t attempt to repair DolphiCam by yourself Disassembling DolphiCam may cause injury to you or damage to DolphiCam and will void all guarantee If DolphiCam is damaged or malfunctions contact DolphiTech or a DolphiTech Authorized Service Provider You can find more information about getting service at www dolphitech com Explosive atmospheres Do not charge or use DolphiCam in any area with a potentially explosive atmosphere such as at a fueling area or in areas where the air contains chemicals or particles such as grain dust or metal powders Obey all signs and instructions Battery Don t attempt to replace the DolphiCam battery yourself you may damage the battery which could cause overheating and injury The lithium ion battery in DolphiCam should be replaced only by DolphiTech or a DolphiTech Authorized Service Provider and must be recycled or disposed of separately from household waste Don t incinerate the battery For information about battery recycling and replacement go to www dolphitech com Handling Handle DolphiCam with care It is made of metal and plastic and has sensitive electronic components inside DolphiCam can be damaged if dropped burned punctured or crushed or if it comes in con
20. ette File Existing palettes Tof Amp Name Delete The color palette file format must be a txt file and should have 256 rows of decimal RGB values Red Green Blue values Examples of a color palette can be found at http www dolphitech com support Your added color palette will occur in the drop down menu of Time of Flight Palette and Amplitude B Scan Palette with the same name as your filename An example of the beginning and end of a color palette file is shown below 29 Color palette file example 255 255 255 254 254 254 253 253 253 252 252 252 1 11 20 Amplitude Auto Color Focus Automatically calculate and apply the complete color spectrum in the image If this option is selected user selected color focus is not possible and the color focus selector is removed from the edge of the C Scan Amplitude auto Select from dropdown list color focus e On e Off default 1 11 21 Stitching Overlap DolphiCam has a manual stitching functionality described in chapter 1 12 The overlap between the stitched images can be controlled by the Stitching Overlap slider The number in parenthesis shows the distance from center to center between each C Scan frame This number can help you set a grid for your material for inspection Stitching Overlap 25 0 mm 1 11 22 C Scan Capture Method The C Scan images Amplitude amp Time Of Flight are based on the amplitude and time of the maximum amplitude of ref
21. he left of the Vertical B Scan see image below oso e53 B Scan Vertical Amp Gate ___TofGate 17 1 11 1 1 Multiple Gates Both C Scan ToF and C Scan amplitude has up to 3 separate gates enabling you to inspect several different sections of your material and ignore other sections Each gate has their own amplitude threshold view chapter 1 11 2 _ Start Gate _ End Gate laj osole fe 211 fe B Scan Vertical In the C Scan only views 1 x C scan 2 x C Scan the gating is available in the A Scan in bottom of GUI as shown below In this view the control buttons and numbers are not available 1 11 2 Amplitude Threshold The blue horizontal line in the A Scan sets the amplitude threshold 0 100 All signal amplitudes below the threshold will be ignored A Scan 100 3 Threshold 24 so 80 70 4 60 2 50 40 4 Amplitude 304 20 10 18 Amplitude threshold for 3 gates A Scan Threshold 1 31 Threshold 2 19 Threshold 3 8 Amplitude For C Scan Amplitude and B Scan images e All signal amplitudes below the lowest amplitude threshold will be interpreted as the same value as the threshold value B Scan Vertical C Scan Amplitude 12 14 16 18 20 22 24 26 28 30 For C Scan TOF and 3D image e Allsignal amplitudes below the lowest amplitude threshold will be ignored and given the color grey C Scan Time of
22. ial and any defects 3D image is available in view All and otherwise enabled by pushing 3D button in the other views The image can be zoomed panned or rotated using the mouse or screen touch Screen control e Cube in lower right corner F B View from front or back Cube in lower right corner L R View from left or right 16 1 11 DolphiCam Settings amp Functionality 1 11 1 Start Gate and End Gate Setting your gate enables you to study a specific depth of your material The start and end gate can be set between 0 38 mm and 8 8 mm CF08 or 18 38mm CF16 The gates can be set in different ways e Entering a specific depth in the Start Gate and End Gate fields respectively or e Adjusting the gates using the plus and minus buttons on each side of the Gate Value field or e Click the mouse in the vertical B Scan to get your desired gate If the cursor is closest to the Start Gate line the Start Gate value will be adjusted If the cursor is closest to the End Gate line the End Gate value will be adjusted Start Gate End Gate mea E B Scan Vertical e The gate values will take effect in your next image e Amplitude image and Time of Flight image have separate Start Gate and End Gate settings e With the 2 x C Scan view the start and end gates are adjusted in the A Scan e With All View the user can switch between the Amp and ToF Start and End Gate by clicking on the buttons at t
23. ion based on 2 ultrasound samples The noise reduction is good but the frame rate is higher 4 images per second for CF08 2 images per second for CF16 4 Noise reduction based on 4 ultrasound samples This noise reduction is higher at the cost of a lower frame rate 2 images per second for CF08 and 1 image per second for CF16 8 gives higher SNR 1 11 14 Transmitting Pulse Shape Transmitting Pulse Shape DolphiCam has 8 different user selectable transmitting pulse shapes for CF08 and 4 different pulses for CF16 Each pulse shape has an adapted digital filter The combination of the nature of the pulse shape and the adapted digital filtering makes each pulse special in the sense of different parameters such as Signal to Noise ratio pulse length etc Each of the different pulse shapes has different qualities that makes them suitable for different material material thickness size of defect etc 1 CF16 Default Select from dropdown list 1 default Transmitting Pulse Select from dropdown list 1 default Transmitting Pulse 26 dolphi 1 11 15 Time Corrected Gain Gain adjustment analog as a function of time depth With time corrected gain it is possible to adjust the amplification or dampening of signals at a specific depth The system has 5 different preset ramp ups and can also be set custom Time Corrected Gain OFF Show Time Corrected Select from dropdown list Gain Ma
24. itching mode is to simply start taking your first image and click one of the arrows around your C scan to continue stitching in the direction you choose Each tile in the stitch is as big as the transducer front 31x31mm The tiles overlap by 6mm default which means that the tiles center to center are 25mm 1 inch apart The stitching overlap can be adjusted in settings The camera should be oriented in the same angle for each image taken this is relatively easy If your C scan images are not perfectly aligned simply move them around with your mouse or arrows on your keyboard view top image below You can also control the overlap on images by right clicking and selecting Bring to front or Send to back view bottom image below 35 File Tools Help DevFeatures Tiles in View gt E P 2 5 2 Time of Flight Amplitude st Stitching C Scan Time of Flight 10 20 File Tools Help DevFeatures Tiles in View a 3 gt Time of Flight Amplitude Stitching C Scan Time of Flight 10 Bring to front Send to back gt 36 When inspecting a larger predefined area the easiest way to stich is to use the sequence mode First you click the arrows on your stitching image until you have covered the desired area Then simply click on the sequence button and your sequence will displayed for you Whenever you click to freeze
25. lected pulse within your set gate The user can control if the system should capture the maximum absolute value maximum positive value or maximum negative value Capture Method Select from dropdown list e Max Absolute e Max Positive e Max Negative 30 1 11 23 ToF Statistical Mode ToF Statistical Mode is an algorithm that will smoothens your streaming ToF C Scan image and makes it less sensitive for movement of the camera and will give you better results and stability where your reflected pulse is close to the noise floor or you have a complex combination of reflections f ex for drilled hole inspection This works especially well when enabling drilled hole inspection region of interest which gives a much higher frame rate ToF Statistical Mode 1 Images So this is how it works The user can control how many samples included in the ToF statistical mode algorithm For each transducer element the algorithm will select the ToF value that occurs the most within the number of samples set If set to 1 sample the algorithm only uses the most recent image which is the same as if the algorithm is not enabled Below is shown an explanation of one transducer element where algorithm is set to use 10 samples As you can see the value 303 is what occurs the most The color in your ToF C Scan image for that transducer element will then only represent the value 303 and will completely ignore the other values Default setting 1 im
26. mera 1 4 8 Low Battery 1 4 9 Sleep mode Starting Application Software Overview 1 6 1 Calibrating the Camera 1 6 2 Taking Images C Scan A Scan B Scans 1 9 1 Vertical B Scan 1 9 2 Horizontal B Scan 3D View DolphiCam Settings amp Functionality 1 11 1 Start Gate and End Gate 1 11 2 Amplitude Threshold 1 11 3 Color Focus 1 11 4 Measurement in C Scan 1 11 5 Depth Measurement in B Scan 1 11 6 Unit 1 11 7 Material depth 1 11 8 Number of Amplitude Gates 1 11 9 Number of ToF Gates 1 11 10 Material Sound of Speed 1 11 11 Transmitting Elements 1 11 12 Analog Gain 1 11 13 Number of Averages 1 11 14 Transmitting Pulse Shape 1 11 15 Time Corrected Gain 1 11 16 Editing Custom Gain Values 1 11 17 Time of flight Palette 1 11 18 Amplitude B Scan palette 1 11 19 Custom palettes 1 11 20 Amplitude Auto Color Focus 1 11 21 Stitching Overlap 1 11 22 C Scan Capture Method 1 11 23 ToF Statistical Mode 1 11 24 Amp Running Average 1 11 25 Drilled Hole Inspection 1 11 26 Drilled Hole Measurement Tool 1 11 27 A Scan Envelope 1 11 28 Save 1 11 29 Load 5 O O CO oO NNNNA U UVU UVUUuVUUVUuVUVUuvVUVUUVUNNNNNNNNNNNNNNNNN be herEeakbeheaebkbheakbebheaebeaereaebBeAeEeA Behe A A UNNEeEeERPREOOOL CUOL CONCOAOAOANnNA HPHPWNNNPOONN ODD UNWWWReE REF OO O 2 3 4 5 6 1 11 30 Reset 1 11 31 Close 1 12 Manual Stitching 1 13 Menu Items 1 14 Controlling DolphiCam Settings Technical Specifications Troubleshooting Installing Softw
27. nd set the correct size angle on your circles and lines you can read out the size parameters Radial Damage size Distance between the inner and outer circle Circumferential arc Length of arc between the two lines on outer circle Circumferential angle Angle between the two lines The user can also change the color of the measurement circles and lines using the color scheme C Scan Time of Flight gt Soe Drilled Hole Inspection Close Bea Damage Size a Radial mm 3 62 12 Ty m 3 Circum Arc mm 10 62 5 Circumf Angle deg 96 35 I af 3 Drilled hole dimension rl l a g poo E A Hole Diameter mm 500 i Ai 5 Radial damage mm _ 382 re Lal Circumferential Damage Sector Start deg ai 087 7 Sector End deg 2 a f Color Scheme AEA EA EEA 0 i mo peT Darp rera 1 E mipi al Enji Thing Hy rely maji ty al Le e i oia 43 45 6 7 amp 8 Wt dow Al N 1 11 27 A Scan Envelope The user can select whether he wants the A Scan to be displayed with or without the envelope function respectively see images below When disabling A Scan envelope notice that the pulse then is centered around the middle of the A Scan view and the scales is changed with reference 0 in the middle of the view The amplitude threshold line is then always referenced at 0 bottom of A scan view when envelope is enabled and middle of the A
28. nded when it is charging Charging the DolphiCam to full capacity will take up to 5 hours using the charger The charging LED is RED when the camera is charging The charging LED is GREEN when the camera is fully charged erage LED NOTE The DolphiCam charges whenever the camera is connected to an USB port NOTE Make sure the camera is turned OFF using Off Mode Switch before charging 1 4 6 Installing Software See Installing Software chapter 4 1 4 7 Connecting and Starting the Camera When the software installer has finished connect the camera to the PC by inserting the USB plug NOTE The USB connector should only be connected to protected Class III circuits Turn the camera ON by setting the Off Mode Switch to 1 It is optional to turn the camera ON before it is connected If the camera is turned OFF when it is connected the application waits until a camera is detected Waiting for camera to be plugged in USB and turned on File Tools View Help Waiting for camera Make sure the camera is connected to a USB port and turned on If the battery is low make sure the camera is connected to the power supply Verifying USB Connec tion DolphiCam is detected and Software is ready File Tools View Help bea ly al 653 Z B Scan Vertical C Scan Amplitude 7 C Scan Time of Flight 100 39 4 90 80 70 0123 45 67 8 0 3 6 9 12 15 18 21 24 27 30 0 3 6 9 12 15 18 2 24 27 30 A
29. ows systems DolphiTech gives on the Windows emulator no guarantees or give any support on MS Windows emulating software on Mac Linux or similar Camera housing or cables Do not use the camera are damaged Send it back to the supplier for repair Noisy or unclear images Make sure the object is clean Clean the transducer pad Try using contact gel or water to improve coupling Noise in the picture Tune the scanning and or camera setting Use coupling water or gel Clean the Transducer Pad Check Transducer Pad for damages A camera with a damaged Transducer Pad must be repaired 40 4 Installing Software Insert the USB stick in your computer Navigate to the USB disk in Windows Explorer and start the setup application Follow the instructions a GA gt Com USB DISK s Search USB DISK D Organize Share with 7 Burn New folder 2 O Name Dat A amp Computer amp Local Disk C gt USB DISK D HP_TOOLS E gt HP RECOVERY 6 D DolphiCam SetupBundle ww Network 4 The Software is protected by laws and a international treaties covering copyright and other intellectual property rights This Licence Agreement constitutes a legal binding agreement between the Customer and Installation will start Setup will determine if an updated version of NET needs to be installed DolphiCam Setup Lyf a oD DolphiCam Setup Progress Processing
30. rk 1 Off default 0 46 dB us Preset 1 0 69 dB us Preset 2 1 38 dB us Preset 3 2 76 dB us Preset 4 4 13 dB us Preset 5 Custom edit settings Time Corrected Select from dropdown list Gain Mark II Off default 0 46 dB us Preset 1 0 50 dB us 0 69 dB us Preset 2 1 00 dB Us 1 38 dB us Preset 3 1 50 dB uUs 2 00 dB uUs 2 50 dB us 2 76 dB us Preset 4 3 00 dB us 3 50 dB us 4 00 dB us 4 13 dB us Preset 5 Custom edit settings Except for Custom Preset the Time Corrected Gain can only be viewed not edited Note the maximum gain for DolphiCam Mark hardware has maximum gain is 50 8 dB hardware version 4 5 6 7 10 11 Mark Il hardware has maximum gain is 74 5dB hardware version 8 amp 12 When using TCG curves the user must observe and be aware if gain reaches maximum allowable gain Ref Application Notes on http www dolphitech com support Application Note 06 Maximum gain for Markl Hardware When mixing TCG settings between Markl amp Markill hardware the gain will snap into the closes possible TCG curve Ref Application Notes on http www dolphitech com support Application Note 07 Gain Compatibility Mark amp Mark II 2 dolphi 1 11 16 Editing Custom Gain Values Open Time Corrected Gain Settings by selecting Custom from the drop down menu and click the Edit button Click Edit Adjust the gain a
31. s D DolphiCam user defined File Tools View Help re 3D p Los B Scan Vertical C Scan Time of Flight mm B p Amplitude L 1 7 C Scan The C Scan represents the material as seen from the transducer directly into the material Two C Scan modes are available Amplitude and Time of Flight DolphiCam scans in both Amplitude and Time of Flight modes and data is recorded independent of which scan mode the application is in The user can at any time switch between the two image modes by pressing Amplitude or Time of Flight buttons in the application In some of the views the C Scan Amplitude and Time Of Flight are both available 13 dolphi Amplitude The color in amplitude C Scan image shows the intensity of the maximum value of your reflected pulse within your gate C Scan Amplitude Time of Flight TOF The color in TOF C Scan shows the depth of the reflected pulse within your gate Notice the blue back wall and the different colors of the defect C Scan Time of Flight mm Stitch mode DolphiCam supports a powerful manual stitch mode making it easy to create multi tile images covering a large area See chapter 1 12 for stitching 14 dolphi 1 8 A Scan The A Scan is presented in the bottom left part of the application The A Scan displays a signal processed time series of the ultrasound reflection from the material at the intersection between the
32. t 8 mm thickness for CFO8 and lt 16mm for CF16 31 mm x 31 mm capture size Power Re chargeable Li ion battery Charging Charger or USB Nominal charge 1 1 A Battery charger Artesyn DA 12 O50MP M included 124x124 elements 16 elements mm2 over 31 x 31 mm 39 Battery rating Li lon 3 6V 6200 mAh internal battery Battery life 5 hours of continuous scanning Operating temperature 0 to 40 C 32 to 104 F ie ean een Software and Display PC and Tablet devices running Windows XP SP3 and later or Windows 8 PC tablet is not included Automatic firmware and software updates 3 Troubleshooting Camera will not work Make sure the camera is connected to the USB port Try to restart the DolphiCam software Try to connect reconnect the camera to the PC Charge the camera using the DolphiCam charger The camera gets warm The camera will get warm during normal operation Make sure that the camera isn t scanning images when you don t intend to Visually check that the Scan LED is out or red before you put the camera away Always turn the camera OFF when you don t use it or it is stored in the case Low battery life Make sure that the camera isn t scanning images when you don t intend to Visually check that the Scan LED is out or red before you put the camera away Always turn the camera OFF when you don t use it or it is stored in the case DolphiCam will not work DolphiCam is only supported on native MS Wind
33. t a specific depth by clicking and dragging its handle blue button vertically The values along the top horizontal bar shows the analog gain dB set at the respective time in your A scan The TCG time interval is 0 9375us between each gain setting There is a maximum limit of 10 dB step between two points 0 9375 us to ensure stability in the electronics cy ss wy D 3 a lt Depth mm Select TCG values Custom x E Detailed Close Detailed Custom TCG There is also a detailed TCG option that can be enabled by checking the Detailed box You then get twice as many TCG points 0 46875 us apart The maximum limit of 10 dB per step is then valid between two detailed points 0 46875 us Time Corrected Gain settine Amplitude Depth mm Select TCG values Custom x Detailed 28 1 11 17 Time of flight Palette User selectable color palette for TOF images Time of flight Select from dropdown list a color palette Palette Default is JetColorPalette 1 11 18 Amplitude B Scan palette User selectable color palette for Amplitude and B Scan images Amplitude B Scan Select from dropdown list a color palette palette Default is JetColorPalette 1 11 19 Custom palettes By clicking the Manage button the user can add their own Custom Color Palette File Custom palettes Manage rm ManageCustomPalettes Manage Custom Color Palettes Add Custom Color Pal
34. tact with excessive amounts of liquid Don t use a damaged DolphiCam such as one with a cracked housing as it may cause injury Keep the protective cap in place whenever the camera is not taking pictures Store and transport the camera in the flight case Using connectors ports and buttons The USB connector should only be connected to protected Class III circuits Never force a connector into a port or apply excessive pressure to a button because this may cause damage that is not covered under the warranty If the connector and port don t join with reasonable ease they probably don t match Check for obstructions and make sure that the connector matches the port and that you have positioned the connector correctly in relation to the port Operating temperature DolphiCam is designed to work in ambient temperatures between 32 and 104 F 0 and 40 C and stored in temperatures between 4 and 149 F 20 and 65 C DolphiCam can be damaged and battery life shortened if stored or operated outside of these temperature ranges Avoid exposing DolphiCam to dramatic changes in temperature or humidity When you re using DolphiCam or charging the battery it is normal for DolphiCam to get warm Choking hazard Some DolphiCam accessories may present a choking hazard to small children Keep these accessories away from small children 5 3 DolphiCam Support Comprehensive support information is available online at www dolphitech com 43
35. your C scan image the image moves to the next tile in your stitch To view your complete scan increase the number of tiles in your view by clicking on the button or enter the number of tiles desired Click on the measure line button to enable measure lines Right click on your mouse and drag to add your measure lines while measure lines are enabled the Bring to Front Send to back function is disabled To reset your stitching procedure click the reset button 2 All your images will then be deleted as well as your view measure lines and sequence E DolphiCam user defined File Tools Help DevFeatures Tiles in View TE i 6l K J 2 Time of Flight Amplitude Stitching C Scan Time of Flight 100 110 120 130 140 150 So ba ailai as bat Lae aa aiidis al bial told eke bd 90 100 110 120 130 140 150 3 dolphi Stitching tip If you set your stich overlap to 25mm 1 inch apart you can prepare your measurement by marking your material for inspection with dots 25mm 1 inch apart in all directions either by using a ruler or f ex a silicon sheet with pre cut holes in it Using these predefined marks you can easily aim at them using one of the lines in DolphiCam housing Doing this really simplifies and speed up your inspection 38 1 13 Menu Items Item Description File menu Save Images Creates a ZIP file containing TimeOfFlight png
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