Omniscan Mx2 Calibration

[Colby DuLin]

CalibrationMethod: The method of calibration for phased array transducers can be varied. As beam formation relies on variant element delays and groups, it is important to normalize the response from each focal law, to compensate both for element-to-element sensitivity variations in the array transducer and for varying wedge attenuation and energy transfer efficiency at different refracted angles. Calibration of wedge delay and sensitivity over the entire inspection sequence not only provides clearer image visualization, but also allows measurement and sizing from any focal law. While Olympus NDT instruments allow full calibration, many instruments will only allow calibration of one focal law at any one time.

TVG/DAC for phased array: For sizing defects, A-scan amplitude techniques using DAC curves or time corrected gain are common. These methods account for material attenuation effects and beam spreading by compensating gain levels (TCG) or drawing a reference curve based on same size reflector response as a function of distance. As in sensitivity calibrations, some instruments allows a TCG to be built at multiple points over all defined focal laws. In these instruments, the view can be switched from TCG to DAC curve at any time. This allows use of sizing curves at multiple angles for sectorial scans or at any virtual aperture in linear scans.

Free webinar available: OmniScan MX2 product details: Part three of the series will cover gate and C-scan configurations for weld inspection, calibration options and limitations, and include explanation and demonstration of the OmniScan MX2 calibration wizards for manual inspection. There will be a brief review of the previous Webinar that leads into the current topics. This will combine sector scan basics, and MX2 displays readings, and parameters in preparation for a manual sector scan weld inspectionContact us: Sign up for our Newsletter: less

The OmniScan X3 flaw detector offered by Evident/Olympus is a comprehensive phased array toolbox. Robust tools, such as advanced visualization capabilities and total focusing method (TFM) images, allow users to complete their inspection with more confidence.

The streamlined user interface, improved and rapid calibration, and the onboard scan plan help eliminate the unwanted steps. These features allow users to complete their inspection setup in a short period of time.

If customers are existing OmniScan users, they can quickly switch from the OmniScan MX2. However, if customers are new to TFM or phased array ultrasonic testing, they can easily learn the OmniScan X3 flaw detector.

The OmniScan X3 64 flaw detector from Olympus has been housed in the field-proven rough and portable OmniScan X3 enclosure. Hence it provides strong focusing abilities aided by its bigger element-aperture capacity allowing users to completely exploit 128-element aperture TFM and 64-element phased array probes.

The OmniScan X3 flaw detector is a full phased array toolbox. Strong tools, such as total focusing method (TFM) imaging and sophisticated visualization capabilities, which have been backed by its high image quality, allow users to finish inspection with confidence.

The X3 Remote Collaboration Service (X3 RCS) allows users to share their screens, enable a remote collaborator to control the unit, and host a video conference with participants situated in almost any place in the world.

TFM imaging has been made possible by new generation electronics, and it hence provides improved focusing abilities for smaller indications and an enhanced signal-to-noise ratio (SNR). With the help of its 128-element aperture capacity, the OmniScan X3 64 model offers improved image clarity.

Users can obtain total focusing method (TFM) acquisition speeds ranging up to 4 times faster while making use of a 64-element probe. In comparison to models with 32 pulsers, the OmniScan X3 64 flaw detector provides a considerable enhancement in efficiency as a result of its bigger aperture capability.

The OmniScan X3 flaw detector integrates sophisticated functions like gate synchronization with carefully designed software and simplified menus. This helps users to achieve precise data in a simpler manner. Users can configure their setup quickly as a result of its A-scan synchronization processing and manual time-corrected gain (TCG).

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Olympus is proud to introduce the OmniScan SX, a flaw detector that benefits from more than 20 years of phased array experience and shares the OmniScan DNA. For improved ease of use, the OmniScan SX features a new streamlined software interface displayed on an 8.4 in. (21.3 cm) touch screen. A single-group and non-modular instrument, the OmniScan SX is easy to operate and cost-effective for less demanding applications.

The OmniScan SX comes in two models: the SX PA and SX UT. The SX PA is a 16:64PR phased array unit, which, like the UT-only SX UT, is equipped with a conventional UT channel for pulse-echo, pitch-catch or TOFD inspection. Compared to the OmniScan MX2, the SX is 33% lighter and 50% smaller, offering an unprecedented level of portability for an OmniScan.

Inspection setup can be performed in NDT SetupBuilder, and imported directly, via SD card or USB key, to the OmniScan SX. Then, only a few basic operations are required in the instrument, such as setting the gate and range, before acquisition can begin. It is also very easy to create a setup right in the OmniScan SX, thanks to the following features:

To achieve a code-compliant inspection, the Calibration Wizard ensures that every focal law in every group is the direct equivalent of a single-channel conventional flaw detector. The user is guided step-by-step through the required calibrations, including Velocity, Wedge Delay, Sensitivity, TCG, DAC, AWS, and encoder calibrations. Now, TOFD PCS calibration and lateral wave straightening can be performed automatically.

The OmniScan SX enables easy configuration of inspection parameters for either manual, one-line, or raster encoded scans. The acquisition is displayed in real time through user-selectable views and offers the ability to store data on a hot-swappable SD card or USB 2.0 device.

Whether you prefer performing data analysis on a computer or simply wish to maximize the time your OmniScan is at work in the field, OmniPC or TomoView are the perfect software companions for your OmniScan.

The Omniscan SX provides Olympus with a new and versatile tool to add to its arsenal of innovative and creative complete market solutions aimed at simplifying your workflow and improving overall productivity.

The OmniScan PA is at the heart of the manual and semiautomated phased array weld inspection solutions developed by Olympus for the oil and gas industry. These systems can be used for inspection in compliance with ASME, API, and other code criteria, while offering highspeed detection capabilities, and facilitating indication interpretation.

Zero-degree inspection just became even more accessible with the arrival of the OmniScan SX. For corrosion or composite inspection, Olympus offers field-proven solutions for detection of anomalies or wall loss.

TOFD is an easy and efficient approach for primary detection of weld defects. It is quick, cost-effective and capable of sizing defects present in the volume of the weld, a problematic area for manufacturing defects.

Using ultrasonic techniques, inspection of components can detect cracks, wall loss, and other damage. With the capacity for both angle and linear zero-degree beams, the OmniScan SX is a very cost-efficient solution for this type of single-group inspection.

The result of over 10 years of proven leadership in modular NDT test platforms, the OmniScan MX has been the most successful portable and modular phased array test instrument produced by Olympus to date, with thousands of units in use throughout the world.

Faster Is Better!

Powerstart your day with the OmniScan MX2. The OmniScan MX2 simplifies and speeds up the setup process with its intuitive step-by-step Wizard, so you can start testing quickly. Featuring the industry-standard phased array user interface with faster-than-ever performance, a bigger and brighter 10.4 in. (26.4 cm) screen, new and unique intuitive touch-screen capabilities, and faster data transfer, the MX2 enables you to get to your next inspection quicker.

OmniScan MX2 Equals Flexibility

Thanks to NDT SetupBuilder and OmniPC companion software, the OmniScan MX2 can be dedicated exclusively to calibration and acquisition tasks or, if preferred, can perform all the steps of an inspection, directly on its large, user-friendly touch screen.

NDT Advanced Tools is a family owned business carries new and used a wide variety of non-destructive testing equipment, thickness gauges, ultrasonic flaw detectors, material condition testers, and eddy current instruments, as well as devices that measure conductivity, resistivity and corrosion.

Note: One (1) Year NIST Calibration options available. Please ensure scheduling of Rental Equipment allows for NIST Calibration Services to be performed (typically 3-5 business days) prior to rental date. Contact Pipe Gear Inc. (calibr...@pipegear.com) to schedule calibration services.

The OmniScan SX touch screen offers a full-screen mode option that maximizes visibility, essentially converting many menu functions into easy touch-screen operations. The intuitive interface provides smooth menu selection, zooming, gate adjustments, cursor movements, and text and value input. These, along with other premium integrated features, including easy-to-follow setup and calibration Wizards, a rapid refresh rate for both the S-scan and A-scan displays, and a fast pulse repetition frequency (PRF), make the OmniScan SX a highly efficient inspection tool.

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