Ultrasonic Flaw Detector DFD30
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probe zero point, when users receive the highest peak of echo as R100, as the graph shows below, the distance
between edge of test bloce and front face of the probe as L1. X-Value =100-L1.
(2)
Under TRIG menu, choose X-value through up or down key, set X-value by pressing Data plus key as calculated
above.
(3)
Right now, calibration of angle beam is completed.
Chapter VII Thickness Measurement Function
Beside flaw detector, there is an extra function of thickness measurement. Its measuring range is from 5-1000mm,
resolution is 0.1mm.
7.1 How to enter thickness measurement
Under arbitrary menu of flaw detection, press FREEZE key, then press COPY again, then users have enttered into
thickness measurement display. Please check below:
Under this menu, press UP or DOWN arrow key to check the wave and thickness value; press LEFT or RIGHT key
to move a GATE.
Press COPY key to choose probe type as straight probe or dual probe easily.
7.2 How to back flaw detection
If users want to come back flaw detection, it is easy. Users just press FREEZE key for 2 times. Then it changes back
