5+ トータルステーション 使い方 Ideas

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Introduction

Total Station is a highly advanced surveying instrument that has revolutionized the way we measure and map land. It combines the functionality of a theodolite, an electronic distance meter, and a microprocessor into a single device. This makes it a powerful tool for measuring angles, distances, and elevations with great accuracy.

What is Total Station?

A Total Station is a precision instrument that is used to measure distances and angles in surveying and construction. It is an electronic device that uses infrared signals to communicate between the instrument and a prism on a surveying rod. The distance between the instrument and the prism is calculated by measuring the time it takes for the infrared signal to travel between them.

Components of Total Station

A typical Total Station consists of a theodolite, which is used to measure horizontal and vertical angles, an electronic distance meter (EDM), which is used to measure distances, and a microprocessor, which is used to store and process the data. It also has a display unit, a battery, and various other accessories such as a tribrach, a prism, and a data collector.

Using Total Station

Setting up Total Station

The first step in using a Total Station is to set it up properly. This involves attaching the tribrach to the instrument and leveling it using the built-in bubble level. The prism is then placed on the surveying rod and held up to the point where the measurement is to be taken. The operator then aims the instrument at the prism and takes the measurement.

Measuring Angles

To measure angles, the Total Station uses a theodolite that is mounted on a horizontal and vertical axis. The operator aims the instrument at the target and measures the horizontal and vertical angles using the telescope. These angles are then recorded and used to calculate the position of the target.

Measuring Distances

To measure distances, the Total Station uses an electronic distance meter (EDM). The operator aims the instrument at the prism and sends an infrared signal to it. The signal is then reflected back to the instrument, and the time it takes for the signal to travel is measured. This time is then used to calculate the distance between the instrument and the prism.

Tips for Using Total Station

Calibrating Total Station

Before using the Total Station, it is important to calibrate it properly. This involves checking the accuracy of the theodolite, the EDM, and the microprocessor. Calibration should be done regularly to ensure the accuracy of the measurements.

Using Total Station in Low-light Conditions

In low-light conditions, it can be difficult to see the prism on the surveying rod. To overcome this, the operator can use a reflective tape on the rod. This tape reflects the infrared signal from the instrument, making it easier to see in low-light conditions.

Choosing the Right Prism

There are several types of prisms available for Total Station. The choice of prism depends on the application and the distance to be measured. For long distances, a larger prism is required, while for short distances, a smaller prism can be used.

Conclusion

Total Station is an advanced surveying instrument that is used to measure angles, distances, and elevations with great accuracy. It combines the functionality of a theodolite, an electronic distance meter, and a microprocessor into a single device. By following the tips and techniques outlined in this article, you can use Total Station to achieve accurate and reliable measurements in your surveying and construction projects.

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