Finding things in walls: Difference between revisions
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Measures ''change'' in density | Measures ''change'' in density (using [[capacitance]]). | ||
Just poking it at a wall will not do anything useful. | Just poking it at a wall will not do anything useful. | ||
It needs calibration each time -- you tell it what a normal piece of wall is: | |||
Put it on the wall, press the button, it takes a reference of the density it senses. | Put it on the wall, press the button, it takes a reference of the density it senses. | ||
Move it sideways until it changes. | |||
: people will want to see an ''increase'' in density, so you will find the ''edge'' of wood. | |||
: lowering density tends to be reported as an error - this e.g. lets you figure out that you started above an actual stud. | |||
This can, in theory, also find metal, pvc, and whatn | This can, in theory, also find metal, pvc, and whatn | ||
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=== | ===Varying products=== | ||
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Latest revision as of 01:18, 3 May 2024