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SOKKIA
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Product catalog summary

Overview: The GYRO STATION is a surveying instrument designed to determine true north and azimuth without external aids, making it ideal for applications where no known station is available. It is particularly useful in tunneling, underground constructions, and long, narrow construction projects like roads and pipelines.

Applications: The instrument is used for directional controls in tunneling, setting-out in underground constructions, and in projects such as roads, railroads, power lines, and pipelines.

Specifications: The GP1 gyroscope offers an azimuth accuracy of 20" (6 mgon/0.1 mil) with a half period of approximately 60 seconds and a minimum interval between main divisions of about 3 minutes. It operates in temperatures ranging from -20 to +50°C and up to 75° latitude. The device weighs approximately 3.8 kg and measures W145 x D186 x H416 mm.

Power Supply: The GP1 is powered by a BDC7 battery with an input of 12V DC and an output of 115V AC, 400Hz/12V DC. The battery weighs approximately 1.7 kg and provides about 3 hours of operation at 25°C.

SET X Total Station: The total station features a telescope with 30x magnification and a resolving power of 2.5". It supports angle measurement using an absolute encoder and distance measurement with a modulated laser. The measuring range varies from 0.3 to 6,000 meters depending on the mode and target.

Accuracy and Measurement: The instrument provides high accuracy with different models offering varying levels of angle accuracy. The azimuth is determined with a precision of ±20’ using follow-up measurement or a magnetic compass.

Additional Features: The DLC1 remote trigger allows for simple operation during gyro measurement procedures and enables wireless distance measurement. The instrument also supports follow-up measurement and time measurement modes for azimuth determination.

Comparison with Other Solutions: The GYRO STATION offers advantages over other technologies like RTK-GPS/GNSS, total stations, and magnetic compasses, particularly in terms of location and weather restrictions, accuracy, and speed.

Catalog excerpts

SURVEYING INSTRUMENTS GYRO STATION Determine Azimuth Anywhere, Anytime The GYRO STATION locates true north and determines azimuth without any other aid. Ideal for surveying and engineering applications where no known station is available. - Directional controls for tunnelling - Setting-out in underground constructions - Roads, Railroads, Power lines, Pipelines and similar long and narrow construction projects

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GYRO STATION Set the Azimuth and Start Surveying This Unique Instrument Provides Superior Solutions Beyond the Reach of Other Technologies 20” Azimuth Accuracy The GYRO STATION incorporates the GP1 manual gyroscope mounted on the SET X total station. It can locate true north and determine the azimuth with 20” (6 mgon / 0.1 mil) precision within 20 minutes. Comparison with Other Solutions RTK-GPS/GNSS GPS/GNSS Static GPS/GNSS Total Station Static Total Station Astronomical Astronomical Magnetic Compass Magnetic Compass None Yes Yes Yes None None None None None None None None None Yes Yes Yes None...

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