Model (1435mm) GJC-JJG0 Track gauge 1410-1470mm Superelevation measuring range -185~+185mm Display mode OLED display and hand-held terminal display Supply Voltage DC3.4V5.2V (rechargeable battery) Superelevation division value 0.05mm Working temperature -30+55 Insulation performance 1M© Track gauge division value 0.01mm Superelevation division value 0.05mm Track gauge max indication error 0.25mm Superelevation max indication error 0.3mm Length 1700mm Net Weight Net Weight