[Overview]
        The platform clearance gauge is a specialized measuring tool used to measure the distance between the center of railway passenger, freight, and subway tracks and the side of the platform, as well as the height between the top surface of the track rail and the platform level. This platform clearance gauge features high-precision digital display, a telescopic ruler body, and offers a simple and aesthetically pleasing structure, easy operation, clear display, portability, high operational efficiency, and accurate and reliable measurement precision.