Model (1435mm) GJC - JJG0 Track gauge(mm) 1410 - 1470 Superelevation measuring range - 185~ + 185 Display mode OLED display and hand - held terminal display Supply Voltage DC3.4V~5.2V (rechargeable battery) Superelevation division value 0.05 Working temperature - 30�ºC~ + 55�ºC 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 Net Weight 6.5kg