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    Tag: laser distance meter

    How does a Laser Distance Meter Work?

    Laser distance measurement is based on the same principle as radio radar. After the laser is aimed at the target and fired, its round-trip time is measured and multiplied by the speed of light to obtain the round-trip distance. Since laser has the advantages of high directionality, high monochromaticity and high power, which are crucial for measuring long distances, determining the orientation of the target, improving the signal-to-noise ratio of the receiving system, and ensuring the measurement accuracy, laser rangefinders are gaining more and more attention. Based on the laser rangefinder, LIDAR can not only measure the distance, but also the target's orientation, speed and acceleration. It has been successfully used for the ranging and tracking of artificial satellites.

    How to Use Laser Distance Meter?

    The ideal reflective surface for a distance mete is a white, hard, flat, diffuse reflective surface. If the measuring surface is too smooth, such as a mirror or smooth gold surface, the laser line will be reflected, so the actual measurement results will be large; if the measuring surface is penetrating, such as transparent glass or liquid surface, the laser line will be penetrated and refracted, so the actual measurement results will be small, in both cases, it is enough to paste a white paper on the target surface and then measure.