/diy/ - Do It Yourself

Anonymous Thu Nov 29 05:45:37 2018 No.1505912 [View]
File: 54 KB, 744x554, capture tfxe heat meter diag.jpg [View same] [iqdb] [saucenao] [google]

So, normally a heat meter measures heat with two thermistor temperature probes and a flow sensor, so heat goes in, heat goes out and how much water it took and then it calculates the temperature diferences.
But i see they sell clamp on ultrasound heat meters now, pic related
how the fuck does that work? How can they measure heat and water flow without putting anything inside of the pipe?

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/diy/ - Do It Yourself

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