Patent ID: 7284412
Filing Date: 2007-10-23
Classification: G01M

Abstract:
1. A device for detection of moisture within a wall of a building, in combination with the building, the wall having, an opening, an interior surface and an opposing exterior surface and a inner space therebetween, the device comprising: a casing having a substantially flat first end, a substantially flat second end, a top, a bottom, and an interior chamber, the top having an aperture; a first window located on the first end of the casing; a moisture absorbent material disposed within the interior chamber and visible through the first window; a moisture soluble dye disposed within the interior chamber such that the dye dissolves upon coming in contact with moisture thereby changing the color of the absorbent material; and a second window disposed on the second end of the casing such that the absorbent material is visible through the second window; wherein the casing is affixed within the inner space of the building such that the first window protrudes through the interior surface of the wall and the second window protrudes through the exterior surface of the wall such that when moisture enters the inner space and enters the interior chamber of the casing through the aperture, the moisture contacts the dye which dissolves and changes the color of the absorbent material.