PAUT 64-elements vs 32 & 16

[@jerrydelafuente6071]

I was looking up what QUPA PAUT meant. But you basically summed it up for me. I Understand that it’s an instrument to inspect welds. Now, since I’m a helper in welding, do you think I could take an inspection class and move past the welding part? To be an inspector?

[@hollowayndtengineeringinc.5201]

Yup. But there's no turning back... NDT is the most amazing thing ever!

[@JoelDrapeau_Torngats]

Really nice video with great visuals to compare apples to apples :)

[@santiagocruz9060]

Great Paul, very clare.

[@phil107stein]

Now TFM; I have a few data when I tried a large pitch probe, fewer # of active elements, and it still comparable to high number of elements, lower pitch. 🙃 Effective aperture area is the key in that case! Especially for TFM.

[@QWERDF]

oh...pual...i miss you'r hair texture...

[@MrJammydodger20]

Hey Paul, is focussing at t x 1.5 written in a spec somewhere or is it just common knowledge amongst experienced phased array techs? Regards

[@hollowayndtengineeringinc.5201]

It's just what most people do. For the longest time, focusing at a true depth was all you *could do* on the most popular instruments. For the most part with general probes and common inspections it will work fine. Nowadays there are much more options.

[@MrJammydodger20]

@@hollowayndtengineeringinc.5201 Great thanks

64e and an X3! Go TFM!! I kidding 😄 very good video. Thanks!

[@sang-binlee3630]

Thank you for your video

[@aerialrescuesolutions3277]

Excellent once again, thank you for this. Jim H. Portland, Or

[@carlopoli6409]

And that is the big problem with focusing isn't it? Ooooh we have all these elements let's just shoot a shitload of sound all at once that will capture everything!!!!!!...........yeahhhhhh

[@hollowayndtengineeringinc.5201]

Very easy to over-focus with large aperture/thickness ratios especially at high frequencies. Admittedly, this comparison is extreme. I'm using 64-elements at 10MHz.

[@dbender88]

@@hollowayndtengineeringinc.5201 Paul, great videos. Have you done a video on the differences between unfocused scans and focused scans? Maybe showcasing the different focal planes and their benefits / disadvantages? Appreciate your help