High-precision capacitive MEMS accelerometer for structural vibration monitoring and seismic event recording.
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High-precision capacitive MEMS accelerometer for structural vibration monitoring and seismic event recording.
The Geolook G88-Y300 is a high-performance MEMS (Micro-Electro-Mechanical Systems) accelerometer designed for the precise monitoring of structural vibrations and seismic activity. Available in biaxial (2D) and triaxial (3D) configurations, it is the ideal tool for Structural Health Monitoring (SHM) of critical infrastructure. Utilizing advanced capacitive MEMS technology, the sensor provides an exceptionally low noise floor and excellent thermal stability. Its rugged design allows it to be permanently installed on bridges, dams, and high-rise buildings to capture everything from ambient environmental vibrations to strong-motion seismic events.
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Modern MEMS accelerometers have revolutionized structural monitoring. The G88-Y300 utilizes a micro-machined silicon mass suspended by springs. When vibration occurs, the mass shifts, changing the capacitance between it and a fixed frame.
This change is converted into a high-fidelity electrical signal. Unlike older piezoelectric sensors, MEMS sensors can measure down to 0 Hz (DC), allowing them to track both constant acceleration (gravity) and slow-moving structural sways.
In regions prone to earthquakes, the G88-Y300 serves as a critical safety device. By installing these sensors at different levels of a structure, engineers can record the building's response to an event.
Post-event analysis of the acceleration data can reveal if the structure's 'natural frequency' has shifted—a key indicator of internal structural damage that might not be visible to the naked eye.
Choosing the right configuration depends on the structural dynamics you wish to capture:
The G88-Y300 is available with an RS-485 digital interface. This allows for long cable runs (up to 1km) without the signal degradation that plagues analog sensors.
In a digital setup, multiple accelerometers can be 'daisy-chained' along a bridge or dam, with all data feeding into a central GL-DL series data logger for synchronized, high-speed recording.
Modern MEMS accelerometers have revolutionized structural monitoring. The G88-Y300 utilizes a micro-machined silicon mass suspended by springs. When vibration occurs, the mass shifts, changing the capacitance between it and a fixed frame.
This change is converted into a high-fidelity electrical signal. Unlike older piezoelectric sensors, MEMS sensors can measure down to 0 Hz (DC), allowing them to track both constant acceleration (gravity) and slow-moving structural sways.
Choosing the right configuration depends on the structural dynamics you wish to capture:
In regions prone to earthquakes, the G88-Y300 serves as a critical safety device. By installing these sensors at different levels of a structure, engineers can record the building's response to an event.
Post-event analysis of the acceleration data can reveal if the structure's 'natural frequency' has shifted—a key indicator of internal structural damage that might not be visible to the naked eye.
The G88-Y300 is available with an RS-485 digital interface. This allows for long cable runs (up to 1km) without the signal degradation that plagues analog sensors.
In a digital setup, multiple accelerometers can be 'daisy-chained' along a bridge or dam, with all data feeding into a central GL-DL series data logger for synchronized, high-speed recording.
We are currently updating the specific model configurations and technical datasheets for this product category.