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Off Topic Off Topic - General non-Corvette related discussion. |
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02-21-2023, 8:19am | #1 | ||||||
Barn Stall Owner #117
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How does it work?
I purchased a Klein infrared temperature measuring device for my Ooni pizza maker recently. You point it at a surface, squeeze the trigger, and it tells you the temperature of the surface. I have been trying it out on various surfaces like my granite countertops, the top of my woodburning stove (which maxed it out at being over 760 degrees), and other things.
My question is, how does the ****ing thing work? Anyone know? |
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02-21-2023, 8:26am | #2 | ||||||
A Real Barner
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Infrared is a light wave. The hotter the brighter. It's basically taking a picture of the surface and comparing it to a color chart.
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02-21-2023, 8:41am | #3 | ||||||
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02-21-2023, 8:56am | #4 | ||||||
Goldilocks
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We use those things at work to see if steam traps are blowing by. They also used them at work when Covid was at its peak to check your temperature. (Not kidding)
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02-21-2023, 8:57am | #5 | ||||||
Barn Stall Owner #117
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It doesn't seem to matter what the surface is. From rough cast iron, to smooth granite, to boiling oil. It just knows the temperature of the surface. Pretty amazing for something that costs less than $60.
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02-21-2023, 8:57am | #6 | ||||||
Chief Meat Gazer
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02-21-2023, 10:18am | #7 | ||||||
Chief Electrician
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02-21-2023, 10:25am | #8 | ||||||
Barn Stall Owner #117
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02-21-2023, 10:35am | #9 | ||||||
Chief Electrician
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You won't see any variation at those distances. I was aiming at AC vents measuring air exiting the vent. At 10 or 15 feet, it was reading warmer than at 1 or 2 feet. I found the same when using it for my grill and an engine.
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02-21-2023, 11:30am | #10 | ||||||
Barn Stall Owner #112
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My dad, a retired electrical engineer, had very little patience answering questions as how stuff worked. If an explanation took anything more than say, 20 seconds, he'd say "it's magic".
Those are indispensable diagnostic tools. Sample individual tubes on an exhaust header to determine if a cylinder isn't working as hard as the others. Brake discs to see if one is dragging, or not working as it should. Cooling/ heating circuits. |
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02-21-2023, 12:11pm | #11 | ||||||
Goldilocks
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02-21-2023, 12:19pm | #12 | |||||||
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Quote:
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02-21-2023, 12:23pm | #13 | ||||||
Goldilocks
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02-21-2023, 12:37pm | #14 |
Explosive Salami
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02-21-2023, 1:06pm | #15 | ||||||
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02-21-2023, 1:55pm | #16 | ||||||
Barn Stall Owner #112
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02-21-2023, 2:09pm | #17 | ||||||
Barn Stall Owner #112
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Back in the early 90's I built a very large steel-framed building, corrugated steel roof, mostly open sides for a drying process that I was providing QA/QC for. It was bolted directly to H-piles, set in a grid 130' x 30' and an average depth of 260 feet. The city inspector insisted that I install lighting protection.
I had hired my dad to do the electrical design for the job. He laughed at the request, how stupid it was. But I had to toss the inspector (Barney Fife) a bone. So dad specified some weird contraption that he had used many times in the past. I asked him how it worked. "Magic." I presented the spec to the inspector, and he asked me how it worked. I gave him my dad's answer. Fife made me install dumb little lightning rods along the roof ridge. These we wired down to 1/2" x 10' copper clad rods driven right next to the huge H piles. Total waste of time/ money. |
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02-21-2023, 2:15pm | #18 | ||||||
Goldilocks
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02-21-2023, 2:27pm | #19 | |||||||
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Quote:
Back in ancient times when I was a young engineer, we didn't have fancy infra-red detectors like that. If we sprung a high pressure steam leak, you could hear it, but could not see it because it was so hot, it stayed as vapor until it cooled down. So we would hear a steam leak, and the outer portions of the building were fogging up as the steam condensed, buy you couldn't see exactly where the leak was. The common method to finding it is a guy would walk around with a broom stick, and when he saw the end of the stick disappear (because the live steam had sheared it off), that's where the leak was. Thankfully, in my job, I never had to be the "broomstick guy". |
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02-21-2023, 3:02pm | #20 | ||||||
Barn Stall Owner #112
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