Abstract: This paper systematically investigates the application of the two-point velocity measurement technique for low-speed, small-range moving objects. The velocity measurement system consists of dual photoelectric sensors with fixed spacing of 100 mm and a high-precision clock signal acquisition module, which achieves precise measurements within the velocity range of(1–5) m/s and the movement interval of 200 mm. The measurement error from both distance measurement and time measurement was analyzed in detail, and the resultant system measurement error was calculated by root-sum-square(RSS) method, indicating the relatively small error with the value less than 0.6%, which could meet the design specification of ±1%. Free-fall experiments with the heights of 0.25 m, 0.5 m, and 0.85 m were conducted to verify the the performance of the as-designed velocity measurement system, the measurement errors corresponding to different falling heights were-0.2%,-0.5%, and-0.5%, and the measurement for repetitive experiments showed small dispersion, which could fully meet the expected requirements. This work provides a reliable technical solution for low-speed, high-precision velocity measurement in industrial production and scientific experimentation.