Features: 1.The Digital Zenith apparatus has undergone continuous innovation and improvement; 2.Form a remote automatic monitoring system for vertical deflection; 3.Consist of three parts: Digital Zenith photography, location subsystem;
The Digital Zenith apparatus has undergone continuous innovation and improvement, forming a remote automatic monitoring system for vertical deflection, which consists of three parts: Digital Zenith photography, location subsystem, remote control subsystem and alarm warning network subsystem.
Based on the "astronomical geodetic method", we get the geodetic coordinates and astronomical coordinates at the same time, and get the vertical deflection data of the survey stations automatically. Through the network transmission and remote automatic monitoring, we observe and analyze the plumb line deviation data in real time
Scope of Application:
Geodetic positioning survey, vertical deflection measurement service, precise astronomical survey, earthquake early warning and analysis, crustal tectonic stress field monitoring, regional geoid refinement, military mapping and other fields.
Astronomical latitude measurement error
Error in the determination of astronomical longitude
sunny day and night
One cycle observation≤30min
Average time free time
Average repair time
10kHz~1GHz、10V/m to 1GHz~18GHz、50V/m
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