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Beijing Sdi Tech. Development Co., Ltd.
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North Seeking System and Gyrocompass
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North seeking system sdi-141
The system is mainly one accurate dynamic tuning gyro. It adopts gyro's feature-dual free degree. Gyro's self rotating axis will remain still relative to inertial space, but the earth will rotate relative to inertial space for it has its own rotating axis. If take the earth as standard, we will find the gyro's axis will rotate relative to the earth. Therefore, the gyro can track down and measure the earth's rotating rate, then get the system's position info by the rate difference on X and Y sensitive axis.
Accuracy: 0.06o
Resolution: 0.01o
North seeking time: 4min
Weight: 7kg
Dimension: 240mm*170mm*215mm
Other products:
Ocean True-north seeking system:
OceanTools MiniFOG
OceanTools ROV-FOG Subsea Heading & Attitude Reference Unit
OCTANS III
TSS MAHRS SURFACE
TSS MARINUS gyrocompass |
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