The portable gas detection apparatus and method may indicate the source of the odor direction

The present invention relates to a portable gas detection device may indicate that the odor source direction, the core member is divided into an upper portion and the sensor lower portion, the upper portion symmetrically distributed gas sensor for placing at least three hollow barrel, two adjacent is provided with a vertical plate between the hollow barrel (25), riser (25) extending downwardly, gas baffles are fixed (11, 12) extending downwardly on both sides of the vertical portion of each plate (25) by the each riser space (25) and at the bottom plate (26) is referred to enclosed air chamber (16), placed in a head down the same gas sensor in each of the hollow barrel, the upper portion of the hollow barrel It is sealed. The present invention also provides an odor source direction by using the above-described gas detection apparatus realized indication method. The present invention is not only capable of providing a gas concentration detection point information is information, but also provide a source of direction of the gas.