Three-axis simultaneous measurement of seismic waves and low-frequency vibrations | Long-period vibration monitoring system
HM-0013
Proximity realization, structural health monitoring.
Structural health monitoring refers to the process of measuring the condition of concrete structures such as buildings and public facilities, as well as infrastructure structures like bridges and tunnels, by likening them to humans undergoing health check-ups. One of the various diagnostic methods being advanced is health monitoring through vibration measurement, which has been increasingly applied to the deterioration diagnosis of aging bridges and buildings in recent years. This product is a measurement unit designed for structural health monitoring, taking into account a balance between performance and cost. It can be widely applied not only to structures but also to multi-point, high-density seismic measurements and tilt detection. While it is not easy to perform excitation to confirm the detection capability of low-frequency vibrations, operational verification at 0.04 Hz has been conducted at the National Institute of Advanced Industrial Science and Technology. This has confirmed the ability to accurately capture long-period seismic waves. What are long-period seismic waves? They are seismic waves that occur during large-scale earthquakes, characterized by long periods (approximately 2 to 20 seconds) and a slow, large oscillation.
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basic information
■High Micro-Motion Detection Capability Capable of measuring micro-motions as low as 0.1 gal, making it suitable for earthquake observation as well as evaluating floor vibrations. ■Comprehensive Monitoring Functions - Power loss response memory - RS485 Modbus communication - Dedicated synchronization line - Self-check function - Host loss response - Thin dedicated line. Operates with a cable of outer diameter φ5, minimizing installation constraints. (Connector φ13) ■Performance that Reduces Installation Work - Protection rating IP67 - Shock resistance of 1,000G - Compact design - CE marking ■Sensor Noise Density (rms) - High precision mode: XY: 0.0001gHz^0.5 level, Z: 0.0002gHz^0.5 level - High vibration mode: XY: 0.0003gHz^0.5 level, Z: 0.0005gHz^0.5 level 0.1 Hz ~ 100 Hz (below 0.00004g^0.5 for 0.1 Hz ~ 100 Hz) *For detailed specifications, please refer to the catalog.
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〇Traffic infrastructure such as bridges Understanding the scour condition of bridge piers (Ministry of Land, Infrastructure, Transport and Tourism SIP) IMV, in collaboration with Professor Kawai from Osaka City University, is conducting research on health monitoring of bridges, and the research has been adopted as a project under the Ministry of Land, Infrastructure, Transport and Tourism SIP (Strategic Innovation Creation Program). 〇Structural health monitoring of high-rise buildings
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Company information
Since its establishment in 1957, we have been developing our business in the fields of environmental testing, measurement, and analysis focused on vibration. Moving forward, we will continue to be a company that embodies trust for our products, partners, and society, leveraging our world-class "development capabilities," "proposal capabilities," and "comprehensive strength."
