Long-distance distance measuring instruments are mainly used to measure the distance of target objects.

The working principle of this type of instrument is usually to emit a laser beam, which is reflected back after irradiating the target object and received by the receiver. The time difference between the laser emission and reflection is calculated, combined with the speed of light to accurately calculate the distance of the target object. They have the advantages of high precision, fast measurement, long-distance measurement and strong anti-interference ability, so they are widely used in many fields:

‌Building measurement‌: used to measure the height, width, distance, etc. of buildings, and assist in construction and design.

‌Power industry‌: In power line inspection and maintenance, measure the distance and height of poles and lines, and perform power line measurement, etc.

‌Military field‌: used for reconnaissance, mapping, obtaining the location and distance information of enemy targets, etc.

‌Outdoor activities‌: such as golf, hunting, outdoor adventure, etc., used to measure the distance and height of targets.

‌Other industries‌: Long-distance distance measuring instruments are also widely used in fields such as rivers, waterways, geological surveys, meteorological observations, airport management, and forest protection.

In summary, long-distance distance measuring instruments play an important role in modern society due to their high precision, fast measurement and wide range of applications.