Olympus nortec 600 - Page 364

DMTA-10040-01EN, Rev. E, February 2018
List of Figures354
Figure 5-215 Adjusting the gain and angle ......................................................................... 275
Figure 5-216 The 40 % OD and 60 % OD flaws set as a reference image ....................... 276
Figure 5-217 The scan of the entire length of the tube ...................................................... 276
Figure 5-218 Renaming the file ............................................................................................. 277
Figure 5-219 The overlay (background voltage plane for absolute RFT signal analysis)
and the scan of the tube .................................................................................. 278
Figure 5-220 The readings for 40 % OD loss (left) and 60 % OD loss (right) ................. 279
Figure 5-221 A finned air-cooler tube (fin-fan) ................................................................... 279
Figure 5-222 The NFT inspection technology ..................................................................... 280
Figure 5-223 The differential exciter-pickup configuration .............................................. 280
Figure 5-224 Example NFT signal responses (differential configuration) ..................... 281
Figure 5-225 The NFT Pitting application ........................................................................... 282
Figure 5-226 Example of lower signal lobe when pulling the probe over a flaw .......... 283
Figure 5-227 The scan signal of the thru-wall hole ............................................................ 283
Figure 5-228 Adjusting the signal phase ............................................................................. 284
Figure 5-229 Adjusting the gain ........................................................................................... 284
Figure 5-230 The SWP + IMP display .................................................................................. 285
Figure 5-231 The SWP + IMP display after inspecting the entire tube ........................... 286
Figure 5-232 An NFT probe with an absolute exciter-pickup configuration ................. 286
Figure 5-233 Example signal response (NFT absolute configuration) ............................ 287
Figure 5-234 The NFT Erosion and Corrosion application ............................................... 288
Figure 5-235 The scan signal of the 60 % wall-loss groove ............................................... 289
Figure 5-236 Adjusting the signal phase ............................................................................. 289
Figure 5-237 Adjusting the gain ........................................................................................... 290
Figure 5-238 The 40 % wall-loss groove (left) and 60 % wall-loss groove (right) ........... 291
Figure 5-239 The SWP + IMP display after inspecting the entire tube ........................... 292
Figure 5-240 Alarm DEFINE menu ...................................................................................... 293
Figure 5-241 Alarm polarity .................................................................................................. 294
Figure 5-242 Alarm menu ...................................................................................................... 295
Figure 5-243 Alarm polarity .................................................................................................. 296
Figure 6-1 The Import File Wizard dialog box ............................................................... 298
Figure 6-2 The Import File Wizard folder selection ....................................................... 298
Figure 6-3 The Import File Wizard file selection ............................................................ 299
Figure 6-4 The Import File Wizard transfer process start ............................................. 299
Figure 6-5 The Import File Wizard transfer process completion ................................. 300
Figure 6-6 The NORTEC PC Device menu ..................................................................... 301
Figure 6-7 The Capture Screen dialog box ...................................................................... 301
Figure 6-8 The ABOUT menu ........................................................................................... 302
Figure 6-9 The UPGRADE menu ..................................................................................... 303
Figure 6-10 The message indicating the charger/adaptor is not connected ................. 303
Figure 6-11 The message indicating the charger/adaptor is connected ........................ 304
Figure 6-12 The Utilities menu ........................................................................................... 304