Product Description Digital corrugation Wear Gauge is a direct reading measuring tool which is used straight vertical measurement method.It is mainly used for measuring rail top surface and side surface corrugation wear value BENEFITS Its simple in operation, compact in size, easy to carry, high precision in measurement, reliable in installation and positioning, simple in use Convenient;Easy to site construction, ensure the quality of work Specification Model LJ-BM-A(mm) Horizontal measure range 1000 Vertical measure range -8 - +25 Accuracy 0.05 Resolution 0.01 Repeat error 0.02 Working temperature -5 - 40