列车主风管测压器是用于检测客、货列车主风管风压并对客、货列车风表进行校对的专用器具，是列检工具中非常重要的检具之一，它的准确与否，直接影响客、货列车的正点运行，关系到铁路的行车安全。过去我段各列检所使用测压器属段制非标产品。该产品体积大、质量大，不仅携带 Main train duct manometer is used to detect passenger and freight trains wind pipe pressure and passenger and freight train wind meter proofing of special appliances, inspection tools is one of the very important check, it is accurate Or not, a direct impact on passenger and freight trains punctual operation, related to the safety of the railway traffic. In the past I use the column of each column is a section of non-standard product manometer. The product is bulky, of high quality, not only carrying