ISonic 2009 UPA Scope - Page 2 ISonic 2009 - Phased Array Ultrasonic Flaw Detector & Recorder
Tandem B-Scan Tandem B-Scan is another unique feature of ISONIC 2009 UPA Scope being most effective technique for the detection of vertically situated cracks in welds, plates, tube and vessel walls, and the like. It may be implemented with use of wedged 64-elements linear array probe. On entering material thickness and defining a grid dividing object's cross section into corresponding cells the instrument determines insonification strategy automatically by such a way that focal points of emitting and receiving aperture do match in the centre of each cell in subsequent pulsing receiving cycles covering cross section completely. Individual gain per focal law adjustment is provided to equalize overall sensitivity for the variety of incidence angles, sound path lengths and losses in the wedge and material. For each focal law time base of the A-Scan is re-arranged automatically to provide appearance of possible echo from each cell at 50%-position. Recorded echo heights are represented on the Tandem B-Scan. Placing mouse cursor (marker) over desired cell reproduces corresponding A-Scan and ray trace indication.
C-Scan 3D 3D Data Presentation - Top (C-Scan), Side, and End Projection Views is performed through line scanning with linear array probe either encoded or time-based at rectangle to the elements count direction. It is applicable for all types of cross-sectional insonification
For line scanning every cross sectional view is recorded along with complete sequence of raw data A-Scans it is composed of. C- Scan image is switchable between distance (thickness or defects depth) and amplitude map
Powerful off-line data analysis tool-kit includes playing back cross sectional views and A-Scans, gain manipulation in ±6dB range for all recorded A-Scans followed by corresponding image update, all-standards-compliant gate-based evaluation of echoes, geometry and amplitude filtering, image slicing and profiling, determining projection dimensions and area size of defects, 3D- viewing, etc.
Crack Sizing Sizing of near surface cracks may be implemented with use of 64-elements linear array probe. Separated emitting and receiving aperture producing and receiving longitudinal wave have common focal point, which is manipulated over vertical line between bottom and near surface of the material. For each focal law time base of the A-Scan is re-arranged automatically to provide appearance of every possible tip diffraction echo at 50% horizontal position. Recorded signal heights are represented on the Tip Diffraction B-Scan. Placing mouse cursor (marker) over desired cell reproduces corresponding A-Scan and ray trace indication. Upon tip diffraction echo has been detected the crack depth and remaining material thickness are determined with high precision through triangulation
Defects Pattern Analysis Defects pattern analysis may be carried with use of well-known Delta Technique allowing distinguishing between low risk compact volumetric defects and cracks. Shear wave insonification of the evaluated discontinuity is performed with receiving of both direct shear wave and diffracted longitudinal wave echoes using the same linear array probe. Both echoes have been evaluated automatically providing digital readout of so called KLS value, based on which defect pattern is determined.
Implementation of Delta Technique is extremely simplified as only one linear array probe placed into position of receiving maximized echo from evaluated discontinuity is used instead of pair of conventional shear wave and longitudinal wave probes. Corresponding screen of ISONIC 2009 UPA Scope indicates 2 individually adjustable A-Scans comprising direct shear wave echo (1) with AS amplitude, diffracted longitudinal wave echo (2) with AL amplitude, and digital readout of KLS value (3) rating AS/AL.
Use of Matrix Array Probes and 3D-Scan Imaging In addition to cross sectional insonification (2D) and imaging with linear arrays ISONIC 2009 UPA Scope allows performing of volumetric insonification (3D); matrix array probes are used for that purpose. Use of matrix arrays is possible thanks to parallel firing, A/D conversion, and "on-the-fly" digital phasing provided by 64:64 phased array electronics. At the calibration stage phased array pulser receiver is controlled through operating surface of conventional ultrasonic flaw detector supported by 3D ray-tracing graphics. 3D region of interest (ROI) is defined then. The innovative live true-to-geometry 3D-Scan L image is composed then for each position of matrix array probe manipulated over material surface.
Phased Array Pulser Receiver for matrix array probe is supported by 3D ray-tracing graphics
3D Region of Interest (ROI)
For shear wave weld inspection matrix array should be coupled to the wedge, where contact face width allows swiveling of ultrasonic beam in the desired range. On entering dimensions of the weld, probe position, and limits for swiveling angle scanning along fusion line may be implemented without typical mechanical skewing of the probe with no risk of missing transversally situated defects. The innovative live true-to-geometry 3D-Scan S image is provided for every lateral position of the probe; 100% raw data capturing is provided so every A-Scan may be played back at the post-processing stage along with corresponding Top, Side, and End projection views.
Phased Array Pulser Receiver for wedged matrix array probe - beam incidence and swiveling angles are flexibly manipulated
3D definition of weld coverage through keying in weld dimensions, probe position, and limits for beam swiveling angle
Real time shear wave 3D-Scan S screen for weld inspection: 1 - footprint of the wedge; 2 - indication of limits for swiveling angle; 3 - heat affected zone; 4 - weld metal; 5 - parent material adjacent to heat affected zone; 6 - defect (lack of fusion); 7 - A-Scan representing defect echo for the focal law desired by operator.
Conventional UT and TOFD For single conventional channel operation ISONIC 2009 UPA Scope provides fully featured A-Scan inspection as well as line scanning recording and imaging of the following types: thickness B-Scan; flaw detection B-Scan for angle beam and straight beam probes; CB-Scan for guided, surface, and shear wave probes inspections; TOFD. This fully covers scope of functions implemented by very well known ISONIC 2005 (aka ISONIC STAR / ISONIC 2020) portable ultrasonic flaw detector and recorder of Sonotron NDT ISONIC 2009 UPA Scope instruments equipped with 8 or 16 channels additionally provide multi-channel strip chart recording with forming all known types of strips such as B-Scan, PE, TOFD, Coupling. For certain applications such as, for example, brush probe scanning strip chart is convertible into C-Scan. This fully covers scope of functions implemented by very well known ISONIC 2008 portable multi-channel ultrasonic flaw detector and recorder of Sonotron NDT Comprehensive off-line analysis and data reporting tool kit for all kinds of data captured using conventional UT and TOFD modalities is built-in Remote Control - UT over IP Remote control of ISONIC 2009 UPA is implemented through Ethernet port. The instrument is fully compatible with new UT over IP technology from Sonotron NDT allowing full control of the instrument, imaging, recording, and storage inspection data in the remote control computer
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ISonic 2009 UPA Scope - Page 2 ISonic 2009 - Phased Array Ultrasonic Flaw Detector & Recorder
Tandem B-Scan Tandem B-Scan is another unique feature of ISONIC 2009 UPA Scope being most effective technique for the detection of vertically situated cracks in welds, plates, tube and vessel walls, and the like. It may be implemented with use of wedged 64-elements linear array probe. On entering material thickness and defining a grid dividing object's cross section into corresponding cells the instrument determines insonification strategy automatically by such a way that focal points of emitting and receiving aperture do match in the centre of each cell in subsequent pulsing receiving cycles covering cross section completely. Individual gain per focal law adjustment is provided to equalize overall sensitivity for the variety of incidence angles, sound path lengths and losses in the wedge and material. For each focal law time base of the A-Scan is re-arranged automatically to provide appearance of possible echo from each cell at 50%-position. Recorded echo heights are represented on the Tandem B-Scan. Placing mouse cursor (marker) over desired cell reproduces corresponding A-Scan and ray trace indication.
C-Scan 3D 3D Data Presentation - Top (C-Scan), Side, and End Projection Views is performed through line scanning with linear array probe either encoded or time-based at rectangle to the elements count direction. It is applicable for all types of cross-sectional insonification
For line scanning every cross sectional view is recorded along with complete sequence of raw data A-Scans it is composed of. C-Scan image is switchable between distance (thickness or defects depth) and amplitude map
Powerful off-line data analysis tool-kit includes playing back cross sectional views and A-Scans, gain manipulation in ±6dB range for all recorded A- Scans followed by corresponding image update, all-standards-compliant gate-based evaluation of echoes, geometry and amplitude filtering, image slicing and profiling, determining projection dimensions and area size of defects, 3D-viewing, etc.
Crack Sizing Sizing of near surface cracks may be implemented with use of 64-elements linear array probe. Separated emitting and receiving aperture producing and receiving longitudinal wave have common focal point, which is manipulated over vertical line between bottom and near surface of the material. For each focal law time base of the A-Scan is re-arranged automatically to provide appearance of every possible tip diffraction echo at 50% horizontal position. Recorded signal heights are represented on the Tip Diffraction B-Scan. Placing mouse cursor (marker) over desired cell reproduces corresponding A-Scan and ray trace indication. Upon tip diffraction echo has been detected the crack depth and remaining material thickness are determined with high precision through triangulation
Defects Pattern Analysis Defects pattern analysis may be carried with use of well-known Delta Technique allowing distinguishing between low risk compact volumetric defects and cracks. Shear wave insonification of the evaluated discontinuity is performed with receiving of both direct shear wave and diffracted longitudinal wave echoes using the same linear array probe. Both echoes have been evaluated automatically providing digital readout of so called KLS value, based on which defect pattern is determined.
Implementation of Delta Technique is extremely simplified as only one linear array probe placed into position of receiving maximized echo from evaluated discontinuity is used instead of pair of conventional shear wave and longitudinal wave probes. Corresponding screen of ISONIC 2009 UPA Scope indicates 2 individually adjustable A-Scans comprising direct shear wave echo (1) with AS amplitude, diffracted longitudinal wave echo (2) with AL amplitude, and digital readout of KLS value (3) rating AS/AL.
Use of Matrix Array Probes and 3D-Scan Imaging In addition to cross sectional insonification (2D) and imaging with linear arrays ISONIC 2009 UPA Scope allows performing of volumetric insonification (3D); matrix array probes are used for that purpose. Use of matrix arrays is possible thanks to parallel firing, A/D conversion, and "on- the-fly" digital phasing provided by 64:64 phased array electronics. At the calibration stage phased array pulser receiver is controlled through operating surface of conventional ultrasonic flaw detector supported by 3D ray-tracing graphics. 3D region of interest (ROI) is defined then. The innovative live true- to-geometry 3D-Scan L image is composed then for each position of matrix array probe manipulated over material surface.
Phased Array Pulser Receiver for matrix array probe is supported by 3D ray-tracing graphics
3D Region of Interest (ROI)
For shear wave weld inspection matrix array should be coupled to the wedge, where contact face width allows swiveling of ultrasonic beam in the desired range. On entering dimensions of the weld, probe position, and limits for swiveling angle scanning along fusion line may be implemented without typical mechanical skewing of the probe with no risk of missing transversally situated defects. The innovative live true-to-geometry 3D-Scan S image is provided for every lateral position of the probe; 100% raw data capturing is provided so every A-Scan may be played back at the post-processing stage along with corresponding Top, Side, and End projection views.
Phased Array Pulser Receiver for wedged matrix array probe - beam incidence and swiveling angles are flexibly manipulated
3D definition of weld coverage through keying in weld dimensions, probe position, and limits for beam swiveling angle
Real time shear wave 3D-Scan S screen for weld inspection: 1 - footprint of the wedge; 2 - indication of limits for swiveling angle; 3 - heat affected zone; 4 - weld metal; 5 - parent material adjacent to heat affected zone; 6 - defect (lack of fusion); 7 - A-Scan representing defect echo for the focal law desired by operator.
Conventional UT and TOFD For single conventional channel operation ISONIC 2009 UPA Scope provides fully featured A-Scan inspection as well as line scanning recording and imaging of the following types: thickness B-Scan; flaw detection B-Scan for angle beam and straight beam probes; CB-Scan for guided, surface, and shear wave probes inspections; TOFD. This fully covers scope of functions implemented by very well known ISONIC 2005 (aka ISONIC STAR / ISONIC 2020) portable ultrasonic flaw detector and recorder of Sonotron NDT ISONIC 2009 UPA Scope instruments equipped with 8 or 16 channels additionally provide multi-channel strip chart recording with forming all known types of strips such as B-Scan, PE, TOFD, Coupling. For certain applications such as, for example, brush probe scanning strip chart is convertible into C- Scan. This fully covers scope of functions implemented by very well known ISONIC 2008 portable multi-channel ultrasonic flaw detector and recorder of Sonotron NDT Comprehensive off-line analysis and data reporting tool kit for all kinds of data captured using conventional UT and TOFD modalities is built-in Remote Control - UT over IP Remote control of ISONIC 2009 UPA is implemented through Ethernet port. The instrument is fully compatible with new UT over IP technology from Sonotron NDT allowing full control of the instrument, imaging, recording, and storage inspection data in the remote control computer
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