YUSHI INSTRUMENTS
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4.3.2 Operation Steps
Calibration of CSK-IA as an example
：
1. Press to enter the parameter menu, press (up) or (down) to select the sound path
submenu. Then press (left) or (right) to set the value as 125mm.
2. Press (up) or (down) to select the sound velocity submenu. Then press (left)
or (right) to set the value as 3240m/s.
3. Calibrate the front edge of the probe: put the probe on the test block and move it till the reflector echo
of the hollows of R100mm reach the highest level, measure 89mm of the front face of the probe with a
ruler, at this point, the front edge value of the probe is: 100-89=11mm. As shown in Figure 4-4, after that,
press to enter the probe menu, then press (up) or (down) to select the probe front
edge submenu, press (left) or (right) to set the probe front edge value as 11mm, as
shown in Figure 4-5.
4. Calibrate the probe zero: put the probe on the test block and move it till the reflection echo of the
Figure 4-4
Figure 4-5
