This ruler is based on the flat surface on the rail head of the running rail, and is positioned within the running track adjacent to the power supply rail (third rail). Use a caliper to measure the horizontal size and error of the power supply rail, and use a vertical ruler to measure the height of the upper plane of the running rail. and errors. Three-rail ruler for subway. Three-rail ruler for subway is made of aluminum alloy. It is light in weight and easy to operate. It is suitable for contact rail inspection of subways, express trains, railways, etc.
Measuring range Horizontal direction
Vertical direction
Measurement accuracy.
Self-weight
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Measuring range
Horizontal direction
Vertical direction
Measurement accuracy
Self-respect
Contact number
Supply of three-rail measuring ruler for subway. Three-rail measuring ruler for subway.