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Related Experiment Video

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Application Research on High-Precision Tiltmeter with Rapid Deployment Capability.

Fuxi Yang¹, Dongxiao Guan¹, Xiaodong Li¹

¹Xinjiang Seismological Bureau, Urumqi 830011, China.

Sensors (Basel, Switzerland)

|March 17, 2025

Summary

A new high-precision vertical pendulum tiltmeter offers rapid deployment for geophysical observations. Its robust design ensures reliability and ease of use, enhancing ground tilt monitoring efficiency.

Keywords:

crossing plate high precision vertical pendulum tiltmeter

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Area of Science:

Geophysics
Seismology
Instrumental Science

Background:

Geophysical site tilt observations are crucial for understanding Earth's processes.
Existing tilt observation instruments often lack efficiency, practicality, and reliability, especially for rapid deployment scenarios.
There is a need for advanced tiltmeters that can withstand harsh conditions and be easily operated.

Purpose of the Study:

To introduce a novel high-precision vertical pendulum tiltmeter designed for rapid deployment.
To enhance the efficiency, practicality, and reliability of geophysical site tilt observation.
To present the performance and technical indicators of this new instrument.

Main Methods:

The tiltmeter system comprises a pendulum body, triangular platform, locking motor, sealed cover, ratio measurement bridge, high-precision ADC, and data acquisition unit.
A vertical pendulum system suspended by a cross spring and a differential capacitance bridge measures tilt in two orthogonal directions.
The instrument is sealed and equipped with a locking motor, enabling it to withstand a 2m free fall impact.

Main Results:

The developed tiltmeter demonstrates high precision and rapid deployment capability.
The instrument exhibits high reliability and ease of use, withstanding significant impact when locked and packaged.
Successful application in the rapid deployment at the Zeketai seismic station in Xinjiang validated its performance.

Conclusions:

The high-precision vertical pendulum tiltmeter significantly improves geophysical tilt observation efficiency and reliability.
Its rapid deployment and robust design make it suitable for emergency response, mobile observations, and anomaly verification.
This instrument represents a valuable advancement for ground tilt monitoring applications.