Analogue track gauge is used for measuring the railway track gauge, check rail gauge, back to back distance, super-elevation. It is Suitable for railway speed not greater than 160km/h. Traditional compass is more easier for rail workers to accept and operate. Light weight structure is convenient to carry. FEATURE: Analogue track gauge has the advantages of affordable price,simple operate and easy calibrate. Model(1435mm)TGC-W-II 1435 Track gauge(mm)1410-1470 Check Rail Gauge(mm)1381-1401 Back to back distance(mm)1338-1358 Super-elevation range(mm)-150~+150 Super-elevation resolution(mm)1 Track gauge resolution(mm)1 Application rail line railway speed less than 160km/h Model for narrow gauge 600mm 900mm 1067mm Model for broad gauge 1520mm 1600mm 1676mm for choose.