PRODUCT DESCRIPTION Analogue track gauge is used for measuring the railway track gauge,check rail gauge, back to back distance,super-elevation. It is Suitbale 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. SPECIFICATION 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.