Thermal imaging for electricians - A SparkyNinja Webinar
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- Опубліковано 4 сер 2024
- This webinar was recorded from the 7th April 2020.
Thermal imaging cameras are becoming a much more accessible tool for electricians carrying out every day fault finding and inspection works. This webinar introduces thermography to the electrician and explains some of the issues, misconceptions and better working practices with this technology.
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Just recieved a Fluke TI 125 second hand and had no idea what I was looking at, this was a huge help. Thanks a ton.
Some many years ago, I purchased in infrared thermometer. I forgot what my intended use was, but it was a $75 tool at the time, so I'm sure I had something specific in mind! I have recently purchased a phone with an 80x60 iR camera built in, simply because I want one, and I needed a new phone anyways!
I intend to use it to look for leaks in home insulation, and to look for hot spots in wiring around my house, bad outlets that are getting hotter than they should, investigate things like battery cables on cars for poor connections or high resistance issues, etc. I have no training in any of this, strictly DIY.
This webinar has given me a lot of information I would not have known, or would have taken me a long time to 'figure out on my own' especially emissivity and reflections! Thank you, very much, for making it available to the average joe, like myself.
And yes, I will be very, very careful around electricity. I do not take it for granted or take insulation for granted, etc., I respect it and am afraid of it!
I'm just getting into Condition Based Monitoring, and this video has been really helpful in introducing me to thermographic analysis. Thanks!
Thanks for the great video. I am a licensed electrician and now a certified advanced operations drone pilot. I acquired a thermal imaging capable drone and the next step is to operate a business for mainly drone infrared NDT inspections. Thanks again !
Thanks for this.. this is great. We have been issued the flur pro for our phones recently but have been given little to no training on them so this info was amazing thank you!. Unfortunatly they are trying to get us to use these as part of our maintainance checks instead of doing our usual insulation checks and earth fault loops for our equipment instead of enhancing it
Many thanks 👍
Very informative .... Amazing
highly useful information thanks
Good information!!
20 minutes ago I got my Seek Thermal Compact Camera and I believe I actually know how to use it after having watched this video last night.
I know the physics of what's going on more that you because of my background but I think that because of that I would have overanalyzed the images without keeping in mind the few simple things you focused on in this video. I think keeping an eye on the range is the most important. I can imaging an alternative future where I would be ripping outlets out of the wall and replacing them because of an image that looks like they are about to burst into flames when it's only a degree or two over ambient.
On a side note... I got the Seek over the FLIR ONE Gen 3 because it offered more pixels per dollar but primarily because of the internal battery in the Flir. In my eyes they are making it disposable and I have a bad attitude toward companies that do that. Granted, you can rip the thing apart and replace the battery but most people will not be doing that. If they made it with a replaceable battery like any cell phone it would be a better product. Where the operating time is only 45 minutes or less it's more difficult not overtaxing the battery and reducing it's lifespan.
great information
Hi, I like your lecture. Thanks
What do you think about for ex. CAT S62 PRO flir camera - is it useful for simple electrical checks?
At around 45:00 I believe you are mistaken about why the pipe is cooler than the connections. I'm not looking from the biggest screen but that looks like a water heater and the "connection" looks like a temperature pressure relief valve which is a safety device that activates if the temperature or pressure get too high in the water heater. There would be no hot water going through that pipe unless the safety device activates.
They were measured as the same temperature with a thermocouple.
@@SparkyNinja It looks like a prv to me. Unless my eyes are getting too old to see properly, the pipe directs any discharge straight to atmosphere, just above floor level. If it operates, Euston we have a problem...
Can be track offline headphones wire by fixing the device
16:50 - Vantablack comes to mind.
When ordering a new switchboard or controlbox, we have a line of text in requirements. "backplate shall be painted black"
interesting
Why does shiny metal reflect environmental 'cold' or lack of radiation, rather than show up as emitting its own? I mean it IS hot and when i hold my hand close to it i can feel it too, so it does give off radiation, is that just outside the range of the thermal imager?
I can understand when the environment, or objects in it, are considerably hotter, a shiny metal object would reflect this and it could appear to be hotter relevant to its own radiation, but i don't understand how its reflective properties prevent it from showing its own emissions.
I have no theoretical physical explanation for why, but shiny metal parts actually emit less radiation. The surface is hot, when touched, and the convective heat transfer is working as usual, but the radiation is reduced. The photons have a hard time to leave the surface. As the camera only gets the radiation and not the temperature, the surface seems to be cooler.
This is used in thermosbottles: You have vacuum in them and all surfaces are shiny on the inside.
One would think the logic behind "mirrored" sunglasses would reveal some explanation to your question, but don't quote me on that. I'm taking this course next month, if nobody has the answer, I'll provide it(if the instructor knows).
This a fantastic resource, many thanks for taking the time to make it.
@@IndianaDoug So what's the answer?
Not sure if I am right on this. When thermal imager looks on shiny metal, it's like we human viewing on our reflected self from the mirror. You can't really see through mirror but you could only see yourself. Thermal radiation is a form of light, of course it could be reflected like mirror reflecting visible light upon us.
Comander DATA device with AI ,programed by sensoring.. :D