What is a Surveying equipment?

Surveying is to measure the distance, height, area, etc. of land and objects, and surveying equipment is a device used to perform surveying. Historically, surveying began in Egypt around 3000 BC and was used for land readjustment and pyramid construction after the flooding of the Nile. In Japan, it is famous for the creation of Japanese maps by Ino Tadataka.

There are various types of surveys, such as a reference point survey that obtains coordinates based on a reference point, and a leveling survey that obtains a target height (sea level). In addition, surveying instruments are used to create maps, measure river shapes and water levels, and measure buildings.

Application of Surveying equipment

As mentioned in the previous section, there are various types of surveying, and there are various types of equipment depending on the surveying performed. Applications include map creation, measurement of rivers and buildings, and measurement of land boundaries. It is also used to create hazard maps such as inundation by measuring sea level and to monitor crustal movements such as earthquakes and volcanic eruptions, and it plays a very important role in maintaining the safety of people's lives. I am in charge of. Detailed regulations and information on surveying are summarized by the Geographical Survey Institute of the Ministry of Land, Infrastructure, Transport and Tourism.

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