Olympus nortec 600 - Figure 5-224 Example NFT Signal Responses (Differential Configuration)

DMTA-10040-01EN, Rev. E, February 2018
Using the Instrument 281
Figure 5‑224 Example NFT signal responses (differential configuration)
This application uses inspection materials similar to the example illustrated in
Figure 5-135 on page 216 (in the application “Inspecting Heat Exchanger Tubing
Using Dual Frequency — NORTEC 600D Model” on page 215).
The following products are used in this procedure:
• Eddy current probe; P/N: TRD-170-300-N05 [Q2800326]
• Differential near-field probe adaptor (P/N: CBAS-10819-0001 [Q7670052])
• Calibration standard; P/N: CT45-009-F12 [Q7800048]
• Convenient, highly recommended items (however, not mandatory): foot switch
(P/N: 9522333 [Q7670007]), foot switch armored cable (P/N: 9122404 [Q7670008]),
and foot switch adaptor (P/N: 9522336 [Q2500083])
To set the initial NORTEC 600 configuration
1. Connect the adaptor, probe, and foot-switch adaptor cable to the PROBE
connector on the NORTEC 600.
6.35 mm (0.25 in.)
diameter 20 % ID pit
6.35 mm (0.25 in.)
diameter 40 % ID pit
6.35 mm (0.25 in.)
diameter hole
3.18 mm (0.125 in.)
diameter hole
6.35 mm (0.25 in.)
diameter 60 % ID pit
6.35 mm (0.25 in.)
diameter 80 % ID pit