8/16/2019 10 TOFD Callibration in Analysis

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 Advanced Analysis Using TomoView > Working with the TOFD Manager Component > Performing TOFDCalibration in Analysis Mode

Performing TOFD Calibration in Analysis Mode

This section provides a description on how to use the TOFD calibration of the TOFD Manager

component in Analysis mode. For information on how to perform TOFD calibration in setup mode,

see Figure: Calibrating a TOFD Group in Setup Mode.

To use the TOFD calibration function in Analysis mode

The TOFD Manager dialog box appears (see Figure: The TOFD Manager dialog box).

If you select the Compute velocity and wedge delay option button in the What do you want to

compute? group box of the TOFD dialog box, the measurement cursor has to be positioned on a

second reference signal (for example, lateral wave).

The ultrasonic axis is now calibrated in Analysis mode.

1. Open a data file (.rdt).

2. Visualize a Side (B) view.

3. Position the reference cursor at the start of the lateral wave signal.

4. Position the measurement cursor at the start of the back-wall signal.

5. On the View Properties > Units dialog bar, in the Type list box of the USound axis, select TOFD.

6. On the Component toolbar, click the TOFD Manager button ( ).

7. In the TOFD Manager dialog box, select the appropriate options, and then enter the appropriate

values (see section Description of the TOFD Manager Dialog Box).

8. Click OK.

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