DMTA-10040-01EN, Rev. E, February 2018
Using the Instrument 181
13. Press the FREEZE key ( ) to unfreeze the acquisition, and then press the FULL
NEXT key ( ) to toggle to full-screen mode.
14. Place the probe on the different conductivity samples, and evaluate the vertical
positions of the signals to decide whether to accept or reject the sample (see
Figure 5-83 on page 181). The vertical position, or height, of the signal’s end point
represents the conductivity value that is used for acceptance or rejection, and the
horizontal position represents the lift-off.
Figure 5‑83 Using the vertical position of the signal to accept or reject the sample
5.2.3 Evaluating Nonconductive Coating (Paint) Thickness — All
NORTEC 600 Models
This section contains a simple, older procedure for evaluating coating (paint)
thickness based on lift-off signal.
To evaluate nonconductive coating thickness
1. Connect the probe and the cable to the PROBE connector on the NORTEC 600.
2. Press the ADV SETUP menu key ( ) once, and then select APPL SELECT
(A key) to open the application selection menu. Select Surface Cracks with the
knob, then press to accept (see Figure 5-84 on page 182).
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