PRODUCT DESCRIPTION Portable Rolling Track Gauge is mainly used for railway track gauge and super-elevation (cant) . It can be used for track inspection and fine adjustment of rail gauge. This product has the advantages of fast measuring speed, stable pushing rod, easy to carry, and night-time and tunnel work, legible even in direct sunlight are supported. It is an ideal measuring tool for track fine-tuning, track construction, inspection and track laying. FEATURE 1. Measure the track gauge, cant without bend over your back. 2. Light weight : around 6.5kg , one person operation. 3. Bluetooth connection, data uploading and analysis system. 4. High working efficiency. Save your man power. ( 1 man with 1 rolling gauge = 4 man with 4 normal digital track gauge) SPECIFICATION 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