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Sonatest Prisma Quick Start Manual

Conventional ut phased array tofd

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Quick Start Guide
Conventional UT
Phased Array
TOFD

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Summary of Contents for Sonatest Prisma

  • Page 1 Quick Start Guide Conventional UT Phased Array TOFD...
  • Page 2: Table Of Contents

    Table of contents Introduction to your new device ........................4 Inserting and charging the battery for the first time ..................5 Booting the unit ..............................6 Connecting probes and USB memory stick ......................7 Load an existing configuration ........................... 9 Create a configuration ............................
  • Page 3 28 Color palettes ..............................51 29 Features not covered in this document ......................52 30 Encoder Connector Pin out..........................53 31 I/O Connector Pin out ............................54 32 Definitions ................................ 55 32.1 Scan types .............................. 55 32.1.1 Sectorial scan ............................55 32.1.2 Linear scan ...............................
  • Page 4: Introduction To Your New Device

    Make sure you have the appropriate probes, wedges, and encoder for the type of inspection you intend to perform. You may also use the Prisma demo kit, which includes a basic set of accessories necessary to complete the scenarios described in this document.
  • Page 5: Inserting And Charging The Battery For The First Time

    Inserting and charging the battery for the first time Drawing: unit back Unscrew the back door and insert the battery. Remove the waterproof rubber cover over the AC input socket and connect the AC power adaptor. Before using it for the first time, the battery must be charged for at least 6 hours;...
  • Page 6: Booting The Unit

    The following is the procedure to boot the Prisma unit. Press the ON/OFF key. Please wait; the Prisma requires 35 seconds for a full cold-boot process. At the end of the boot process the graphical user interface (GUI) appears. Drawing: startup screen...
  • Page 7: Connecting Probes And Usb Memory Stick

    In order to connect phased array probes, unscrew and remove the grey protective cap that covers the I-PEX connector located on the right-hand side of the Prisma. The cap can be stored on the unit by screwing it on the back panel of the unit, over the CE mark.
  • Page 8 VNC connection. If a USB memory device is connected to the Prisma then the user may opt to save configuration (.utcfg) and data (.utdata) files to it. Otherwise, by default and in the absence of an external memory device, these will be saved to the 5-GB internal memory.
  • Page 9: Load An Existing Configuration

    Load an existing configuration The following is the procedure to load files. Press the key to open the startup screen where you can select a user-defined or an example configuration file. Drawing: startup screen to select Load Configuration and press Use the Click Wheel Drawing: Using the click wheel V1.1...
  • Page 10 .utdata Contains the recorded data and everything a “.utcfg” file contains. .pdf Reports created by Prisma use the PDF file format. Imported PDF files can also be displayed by the Prisma. .png Screen captures created by Prisma use the PNG image standard.
  • Page 11: Create A Configuration

    Create a configuration The following is the procedure to create a new configuration with the help of the New Inspection Wisard. To create a new configuration, press the key to open the startup screen. Use the Click Wheel to select Start New Inspection Wizard and press 10.
  • Page 12 The number of steps required to complete a configuration depends on the option selected. A typical sequence of steps is as follows: 12. Drawing: New Inspection Wizard (step list) After each step, press to progress to the next step. Press to return to the previous step.
  • Page 13: Starting Data Acquisition

    1. After opening a configuration file (.utcfg), the Prisma always starts in Configuration mode, also referred to as the STOP mode. Before starting the data acquisition it is good practice to review your setup.
  • Page 14 2. Press the key to select the Menu bar then use the Click Wheel to navigate. 3. Press to edit a parameter. 4. To navigate the various menus press the arrow keys. Press , or rotate your finger around the OK button to move up or down a menu. 14.
  • Page 15: Understanding The Conventional Ut Screen Layout

    Understanding the conventional UT screen layout It is important to understand the components of the screen layout. This section guides you through the main elements of the Acquisition or PLAY mode. 15. Drawing: UT Acquisition mode (layout) 1. Menu 2. A-scan view 3.
  • Page 16 16. Drawing: UT analysis mode (component) 1. Measurements bar 2. Calibration indicators 3. Instrument state (Acquisition, Configuration, Recording, Analysis) and battery status 4. Scroll bar 5. View layout (current in green) 6. Encoder position 7. View measures The division of the screen layout into areas is called a “layout”. Different layout options are available depending on the inspection type.
  • Page 17 the wedge reference (Wedge Reference) point. The wedge reference location depends on the type of wedge you are you using. The wedge reference is represented by the red dot in the 3D and scan plan views displayed in Configuration mode. For more details see the “Defining scan plan geometry (cartesian/axis reference system)”...
  • Page 18: Navigating Through Menus And Views

    Navigating through menus and views 17. Drawing: Menu bar, view selection, cursor selection 1. Press to select the Menu bar, and use the Click Wheel to navigate. 2. Press to edit a parameter and press again to confirm the new value. Press the key to cancel making a change.
  • Page 19: Keypad

    Keypad 18. Drawing: keypad The keypad comprises the following areas. Details of the functionality of each button are provided in Table 2 1. Click wheel 2. Main controls to access menus, views and cursors 3. Alphanumerical keypad and shortcuts 4. Mode selection: PLAY/PAUSE, STOP, REC 5.
  • Page 20: Keypad Definition Table

    10.1 Keypad definition table Button Button Name USB Keyboard Short Function Description CANCEL Escape Cancels an ongoing value change and resets to the previous value. Exit from a popup window. Rotate your finger clockwise and counter clockwise to scroll up and down through a menu, to Click Wheel increase/decrease a parameter value, to move cursor in view area or zoom in/out in 3D view.
  • Page 21: Adjusting Gain

    Adjusting gain To adjust the gain, press the key to open the gain items and set the gain of the current scan. Note: If you have multiple scans (only in UT), you should select the appropriate scan by pressing before pressing the key.
  • Page 22: Automatic 80% Gain Adjustment

    Automatic 80% gain adjustment The following is the procedure to adjust the gain automatically. 1. Press the gate key , move the gate over the peak to be maximized using the Click Wheel arrows , and 2. Press and hold the key for 3 seconds and it will automatically adjust the gain to the value of the Ref Amplitude parameter of the selected gate, which is 80% by default.
  • Page 23: Calibration Wizards (For Conventional Ut)

    Calibration wizards (for conventional UT) The Calibration tab displays the available calibration wizards. The menu items on this tab are displayed in the order in which the calibrations should normally be performed. If you are using a multi-scan setup each scan must be calibrated independently. The wizards will facilitate the calibration of the unit taking into account the reflector type, type of calibration block, user supplied parameters, and the type of probe/wedge used.
  • Page 24 Figures 19 and 20 show the examples of the Velocity & Zero and TCG Wizards. 19. Drawing: Velocity and Zero Wizard 20. Drawing: TCG Wizard V1.1...
  • Page 25: Tofd Option

    TOFD option 14.1 Creating a TOFD setup It is possible to either load an existing configuration or use the New Inspection Wizard to create and calibrate a new TOFD setup. This section shows how the New Inspection Wizard is used to create a new configuration. Press the key to open the startup screen and, using the Click Wheel , select Start New...
  • Page 26 22. Drawing: New Inspection Wizard (step2) Select the type of material. This will set the material sound speed which will be used to generate an initial probe centre spacing (PCS). Enter the part thickness. This information will be used to generate a crossing point at 67% depth of the part thickness. When all of the parameters have been entered press to move to the next step.
  • Page 27: Calibrating A Tofd Setup

    In the Geometry step, the wizard will propose a PCS derived from the values previously entered. Set the probe to this exact distance (exit point to exit point). 23. Drawing: New Inspection Wizard (Step 5) In the Path step the wizard shows a list of parameters computed from information entered previously. Modify the Gain, the Start Path, and the Range.
  • Page 28 4. Modify the Ruler LW Pos parameter (it controls the white cursor in the A-scan view) to align the ruler on the TOFD view with the first positive peak of the lateral wave. 24. Drawing: TOFD component 1. Ruler backwall (BW) position 2.
  • Page 29: Understanding What You Look At

    14.3 Understanding what you look at The following instructions will guide you through the essential elements of the Acquisition or PLAY mode 1. A-scan view 2. TOFD view 25. Drawing: TOFD layout The division of the screen layout into areas is called a “layout”. Different layout options are available appropriate to each inspection type.
  • Page 30: Phased Array Option

    Phased array Option 15.1 Understanding at the phased array screen layout It is important to understand the components of the screen layout. This section guides you through the main elements of the phased array Acquisition mode. 26. Drawing: phased array analysis and acquisition layout The Acquisition mode screen elements: 1.
  • Page 31 27. Drawing: phased array analysis and acquisition (component) The Analysis and Acquisition mode screen elements: 1. Measurement bar 2. Calibration indicator 3. Instrument state (Acquisition, Configuration, Recording, Analysis) 4. Scroll bar 5. View layout (current view in blue) 6. Encoder position 7.
  • Page 32 will change the A-scan angle displayed in the A-scan view. This is one advantageous feature of phased array, i.e. it permits the interrogation of multiple beam angles in real-time. The cross-hair cursor on the S-scan is called a Cartesian cursor. The cross-hair location will report the depth (D) and true surface distance (SD) offset.
  • Page 33: Moving The A-Scan Extractor Cursor

    15.2 Moving the A-scan Extractor cursor The following is the procedure to move the A-scan Extractor cursor. 1. In acquisition mode press the key and select the desired S-scan view. 2. Press the key (once or multiple times) to select the extractor in the current view. 3.
  • Page 34: Calibration Wizards (For Phased Array)

    15.5 Calibration wizards (for phased array) The calibration wizards are listed in the sequence that they are normally used. For a multi-scan inspection each scan must be calibrated separately. Description Type Guides you through calibration of the material velocity and the Wizard Velocity &...
  • Page 35: Manipulating Cursors (Cartesian, Angular, Gate, Extractor Box, And Extractor)

    Manipulating cursors (Cartesian, Angular, Gate, Extractor Box, and Extractor) The following is the procedure to move the different cursors available in all the views. 1. In Acquisition mode use the key (once or multiple times) to select the appropriate view. 2.
  • Page 36: Adding Cursors

    Adding cursors Table 5 lists the available cursors. Type Description Drawing Gate Gates are used to make flank and peak measurements in A-scan views. When the gate is triggered by an echo, the peak amplitude level is ↓ displayed, as well as its absolute position in Depth ( ), Surface →...
  • Page 37: Making Measurements With Gates

    Making measurements with gates Gates are the most common and precise way to make measurements. A gate measurement is made as follows: 1. In Acquisition mode, use the gate key (once or multiple times) to select the appropriate gate. 2. Use the Click Wheel to move the selected gate to the desired position.
  • Page 38: Customizing The Measurements Bar

    Customizing the Measurements bar 30. Drawing: Measurement bar The Measurements bar is shown at the top of the screen in PLAY mode, when a menu is not selected and a view is selected (in PLAY mode press the button). It can also be shown permanently in PLAY mode by enabling the Keep Measures preference.
  • Page 39 The following three tables present the details of each measurement type. Identifier Cursor Type Reference Point Meas MeasurementType Angular/Extractor Peak (or point) Amplitude in percent Cartesian Flank Depth Gate First point of a Sound path (from exit Start gate point) Hyperbolic (TOFD) End point of a Surface distance (from...
  • Page 40: Taking Screenshots And Building Reports

    Taking screenshots and building reports The following is the procedure to make screen capture and produce reports. 1. To make a screenshot or create a report press the key. 2. Select Report or Screen Capture (refer to sections about loading and saving files). V1.1...
  • Page 41: Defining Scan Plan Geometry (Cartesian/Axis Reference System)

    Defining scan plan geometry (cartesian/axis reference system) The scan plan is defined on the Geometry tab where the position of the probes and wedges are set. Table 7 lists the icons used to visually identify the principal data on the scan graphic. Table 7: 3D view symbols V1.1...
  • Page 42: Wedge References

    21.1 Wedge references Table 8 defines the wedge reference ( ) for various different probe-wedge combinations for phased array and conventional UT configurations. Note that the wedge reference is different in each case. Probe Type Reference Drawing Probe with or without wedge At the beam exit point Probe without wedge At the centre of the wedge...
  • Page 43: Part Datum

    33. Drawing: group reference (“Grp Ref”) 21.3 Part datum The part datum, identified by , is a point chosen on the inspected part which acts as the spatial origin for all of the acquired data. Where possible it is recommended that the part datum is coincident with the Grp Ref point.
  • Page 44: Setting Up Position-Encoded Or Time-Encoded Scans

    Setting up position-encoded or time-encoded scans There are two main types of encoded inspection: Time-encoded scans, which are typically manual, free running scans where UT pulses are • continuously emitted. Position encoded scans, which acquire data when the position encoder triggers the arrival at the •...
  • Page 45: Setting Up An Encoded Scan

    Setting up an encoded scan The following is the procedure to set up an encoded scan. 1. Press the STOP key to return to the Configuration mode. It is easier to review Geometry parameters in Configuration mode. 2. Review the parameters on the Geometry tab. 3.
  • Page 46: Selecting A Layout With Appropriate Views

    Selecting a layout with appropriate views The type of inspection determines the views that are available. Table 9 lists the different view types. View Description A-scan view B-scan view C-scan view D-scan view S-scan view Top view End view TOFD TOFD view MTOP Merged Top view...
  • Page 47: Menu Tree (Menu Items Vary According To The Inspection Setup)

    Menu tree (menu items vary according to the inspection setup) Inspection Probe Wedge Hardware Settings • Add… • Load… • Voltage Phased Array • Delete… • Wedge Type • Voltage Mono • Load… Identifiers • Mono Pulse Damping • Probe Type •...
  • Page 48 Scan Scan (continued) View • Add… • Select Layout… • Signal Rectification • View Orientation • Delete… • Digital Filter • Add Cursor… • Scan Type • Analog filter Palette Properties Gain • Sub-Sampling • View Palette • Gain • Rejection •...
  • Page 49: Ruler And Axis Color Map

    Ruler and axis color map View Axis Content Amplitude A-scan Sound path Scan B-scan Sound path Scan C-scan Surface distance Index D-scan Sound path Surface distance S-scan Depth Scan Surface distance Scan Depth Scan TOFD Depth (non-linear) Table 10: List of ruler color map V1.1...
  • Page 50: Power Led Behavior

    Power LED Behavior The unit is turned off Power LED Color Status BLUE Charging Charged, or no power cord When unit is turned on (on battery power) Power LED Color Status Battery critical (0% to 20%) YELLOW Battery low (20% to 30%) GREEN Battery OK (30% to 100%) When unit is turned on (plugged in)
  • Page 51: Color Palettes

    Color palettes Palette Names Color Gradient 3 level threshold ABF Amplitude Aeronautic Cubic Law Fire Ice Rainbow Spectrum Thermal Greyscale TOFD Table 12: List of color palettes V1.1...
  • Page 52: Features Not Covered In This Document

    Features not covered in this document The following list of features are not covered in this quick start guide, but are addressed in the full “User Guide”. Calibration on each type of reflectors • • Split DAC • • Split DGS •...
  • Page 53: Encoder Connector Pin Out

    Encoder Connector Pin out 1. Red -> VCC 2. Blue - > ENC1_A 3. Green -> ENC1_B 4. Orange -> ENC2_A 5. NC 6. White -> ENC2_B 7. NC 8. Black -> GND V1.1...
  • Page 54: O Connector Pin Out

    I/O Connector Pin out Pin # Description Power 5V, 300mA (red dot) max. 5V TTL, Trig-Sync Output, Gate 1 Output, Not yet defined Output, Not yet defined Input, Not yet defined Input, Not yet defined Power return – (center pin) Ground V1.1...
  • Page 55: Definitions

    Definitions 32.1 Scan types The Type parameter on the Scan tab allows the user to select between Sectorial, Linear, Mono, and TOFD scans. Scans can be configured to be either pulse-echo (PE) or pitch-catch (PC), with the exception of TOFD which is always pitch-catch. The scan types are described in the following sections. 32.1.1 Sectorial scan The sectorial scan, also called azimuthal scan or more commonly S-scan, is a cross-sectional image of the inspected volume.
  • Page 56: Copyright, Disclaimers, And Certifications

    Sonatest Limited in connection with the use, features and qualifications of the Prisma is based on tests believed to be reliable, but the accuracy or completeness thereof is not guaranteed. Before using the product you should determine its suitability for your intended use based on your knowledge of ultrasonic testing and the characteristics of materials.
  • Page 57: Certification (Electromagnetic Compatibility)

    Ascend Communications, Inc. This product contains a fully certified Bluetooth module (FCC ID : T9J-RN42). The Prisma also complies with EN 12668-1:2010, Non-destructive testing and verification of ultrasonic examination equipment – Part 1: Instruments. V1.1...