
Rail Straightness Measuring Device Ratchet Long String Rail Track Measuring Device for Rail Inspection Calculation. Extended Measurement Length: Effective measurement length of 80m per time, twice that of ordinary strings. High String Tension: String tension exceeds 600N, reducing impact from adverse weather. Customized Options Available: Customized units and tailored attachments are offered. ISO9001 Certified: Product and company certified under ISO9001 standards. Durable Construction: Anti-corrosion and anti-rust design ensures long service life. Safe Operation: Attaches below rail surface, ensuring no interference with driving safety. Portable Design: Moderate size and exquisite manufacturing make it easy to carry. Efficient Turnout Detection: Effectively improves detection and correction of turnout smoothness.