This digital railway offset ruler is special equipment which is used for railway turnout offset distance and frame size. Measuring the distance between the working edge of straight stock rail and the closure rail working edge. Model: LJ-SZJC-I Type:Digital Rail Offset Scale Ruler Material: Aluminum alloy Dimensions (L x W x H) (mm):1710*35*40cm Type: Digital Measuring Rang:100-1400mm or Customization Indication Error: ±0.4mm Accuracy:0.05mm Insulation Resistance: 1M
