King Mach Portable High-Precision Cable Force Measuring Instrument for Construction Industries. 24-Hour Continuous Operation: Equipped with a large capacity lithium battery for up to 26-30 hours of continuous working time. Large Data Storage Capacity: Can automatically save and retain data for up to 6000 cables even after shutdown. Wide Application Range: Suitable for transportation, construction, railway, and metallurgy industries for cable tension analysis. Portable and Lightweight Design: Compact size of 210mm*130mm*55mm and weight of only 1KG for easy portability. Customizable Frequency Range: Self-vibration frequency range of 0.3~200Hz can be customized according to specific needs. Advanced LCD Display: Features a large screen dot matrix graphic LCD with backlight and Chinese character prompts. Data Export Capability: Supports exporting historical data to Excel format via supporting upper computer software.