Precision analytical instrument for automatic reagent supply in titration analysis. Used in quality control and R&D departments of manufacturing industries for quantitative analysis including acid-base titration, redox titration, and complexometric titration. Unlike manual burettes, features motor-driven automatic drop control, accurate drop volume management with digital display, and highly reproducible analysis through program settings. Applied in raw material and product analysis at chemical plants, component inspection in metal processing industries, and quality testing in food manufacturing. High-precision analytical equipment equipped with titration speed adjustment, endpoint detection, and data recording functions.