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As a new disaster prevention and mitigation measure, the ability to monitor an entire building across multiple floors in a single network using multi-hop technology has been recognized, leading Nishimatsu Construction Co., Ltd. to adopt the 'sonas x02'. In recent years, structural monitoring that confirms the condition of structures, such as their integrity, through the installation of vibration sensors has gained attention. Particularly for important buildings that serve as disaster response centers, such as government offices, the installation of vibration sensors is recommended. However, conventional measurement systems typically rely on wired connections for data transfer and power supply, which necessitates wiring work, posing a challenge. In response, the company focused on wireless structural monitoring as a new disaster prevention and mitigation measure, leading to the adoption of this product in a demonstration experiment. [Case Study] - Implementing Company: Nishimatsu Construction Co., Ltd. - Challenges Before Implementation: Means to efficiently diagnose the integrity of structures during earthquakes - Reasons for Selection: - Ability to span multiple floors in a single hop and network the entire building using multi-hop technology *For more details, please refer to the PDF document or feel free to contact us.

This is an introduction to a case where 'sonas x01' was adopted for a demonstration experiment aimed at clarifying the damage mechanisms of infrastructure structures, such as bridges, by measuring their vibrations during earthquakes and translating that knowledge into reinforcement and design methods. In constructing this monitoring system, there were no locations available for a fixed power supply, so it was required that all nodes, including the master unit and nodes for internet connection, be battery-operated, and that they have a data upload function to confirm acceleration data during an earthquake without needing to go on-site. Such requirements, which are considered difficult with general sensor network technology, were achieved with this product without the need for additional special implementations or settings. 【Case Study】 ■ Installation Site: Yokohama National University ■ Challenges Before Installation - Earthquake monitoring was necessary to clarify the damage mechanisms of structures. ■ Reason for Selection - The power-saving capability that enables continuous monitoring outdoors without a power supply was a key point. *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case where Mitsui Sumitomo Construction Co., Ltd. has implemented the 'sonas x01' system, which has been developed to address the challenges of maintaining and managing infrastructure structures through a low-cost, wireless vibration measurement system. Sonas has consistently supported hardware design, including sensor casing and device selection, network construction with UNISONet, and data upload to the cloud, resulting in the establishment of a long-term stable system. With this initiative, we were able to collect vibration data from multiple points in Building 30 and monitor it remotely at all times. 【Case Study】 ■ Implementing Company: Mitsui Sumitomo Construction Co., Ltd. ■ Challenges Before Implementation: - Conducted a demonstration experiment on Gunkanjima to investigate the deterioration of RC structures. ■ Reason for Selection: Multi-point time synchronization and lossless data collection were evaluated and adopted. *For more details, please refer to the PDF document or feel free to contact us.

To verify the effectiveness of new maintenance and management methods for aging river structures, which are deteriorating like other infrastructure, we conducted a demonstration experiment using 'sonas x02' at a river demonstration field provided by Kawasaki City. The dam undergoes monthly gate operation checks and visual inspections, but due to the significant number of years since its construction, there was a need for new technology to assess its condition and enable remote monitoring. Thus, we utilized this product to sense the vibrations of the dam during gate operations and flood occurrences, comparing them with normal vibrations to verify the dam's condition. The feature of operating for extended periods on dry batteries outdoors also met the requirements for this demonstration experiment. 【Case Study】 ■ Client: Kawasaki City ■ Challenges Before Implementation - There is an urgent need to establish maintenance and management methods utilizing new technologies for aging river structures. ■ Reasons for Selection - Vibration monitoring during gate operations and flood occurrences is possible even outdoors without a power source. *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study of our "Wireless Sensor System," which enables centralized management of a wide range of equipment to improve the efficiency of inspection operations for Company A in the manufacturing industry. At this company, the inspection operations for production equipment involve a large number of devices over a wide area, requiring significant manpower and time. To allocate more time to the core production activities, it became a challenge to conduct inspection operations more efficiently. As a result of the implementation, it was possible to confirm the collection of all sensor data installed on the inspection equipment across a wide area through a single wireless network. [Case Overview] ■ Challenge - Improving the efficiency of wide-ranging equipment inspections ■ Implementation Effect - Confirmed wide-area monitoring through a demonstration experiment *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study of our "Tilt Monitoring System," which requires no power supply and can be easily installed wirelessly, implemented for the Metropolitan Expressway Company. Previously, conventional tilt meters were used for monitoring the tilt of bridge piers, and the installation of equipment and preparation of power on-site were burdensome. As a result of the implementation, initial settings and management value settings can also be performed remotely, allowing for smooth system configuration work. 【Case Overview】 ■Challenges - The installation of equipment and preparation of power on-site were burdensome. ■Benefits of Implementation - Achieved remote monitoring of bridge piers at a low cost with easy installation. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where our "Wireless Tilt Monitoring System" was implemented at Kumagai Gumi Co., Ltd. for measuring the displacement of parent piles used in retaining wall construction at a construction site. Before the implementation, the measurement method was done manually, which was very labor-intensive and had the potential for human error. After the implementation, we were able to significantly reduce the labor involved in measuring the retaining wall, and in the event of anomalies exceeding management values, timely detection via email was possible, leading to labor-saving on-site and more efficient safety measures. 【Case Overview】 ■Challenges - Measurement tasks on-site were burdensome - Concerns about measurement errors ■Implementation Effects - Achieved labor-saving and efficiency in measuring the displacement of retaining walls *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where a "tilt monitoring system" was implemented at the construction site of a large-scale elevated bridge by Yokogawa Bridge Corporation. Until now, we have been using tilt meters that require wiring for power supply and other connections for safety management of the bent, which has resulted in a burden of human and financial costs during the introduction of tilt meters due to the need for prior power preparation and wiring work during equipment installation. After the implementation, installation work and additional pairing were carried out by individuals without special knowledge of wireless technology, achieving easy and low-cost safety management and remote monitoring of the bent. 【Case Overview】 ■Challenges - Wiring for power supply and other connections was required for each tilt meter, resulting in a burden of preparation and installation costs. ■Benefits of Implementation - Achieved low-cost safety management and remote monitoring of the bent with easy installation. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where a "Wireless Vibration Measurement System" was implemented at Akihou Mining Co., Ltd. to remotely monitor the vibrations generated by blasting during mining operations. Previously, we measured the integrity of underground equipment using a portable vibration meter, but it required installation and retrieval before and after blasting, necessitating a total of 6 km of travel underground for each blast. After the implementation, even those without special knowledge of wireless technology were able to easily achieve remote monitoring, significantly reducing the workload of blasting vibration measurement. 【Case Overview】 ■ Challenges - The measurement tasks involving travel to and from underground equipment before and after blasting were burdensome. ■ Implementation Effects - Achieved remote monitoring of underground tunnels with easy installation and low cost through wireless technology. - Significantly reduced manual measurement tasks. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where a "wireless tilt monitoring system" was implemented at Ichiken Co., Ltd. for the dynamic observation and safety management of riverbanks. Previously, it was difficult to detect abnormalities immediately, and using a total station resulted in significant costs and management burdens, making it challenging to select the appropriate equipment. After the implementation, we were able to significantly reduce the labor involved in measurements and the cost of equipment, thereby improving productivity on-site. [Case Overview] ■Challenges - Measurement work and equipment costs were burdensome on-site. ■Implementation Effects - Achieved significant reductions in measurement labor and equipment costs through the use of IoT technology. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where a major local general contractor implemented a "wireless slope monitoring system" for measuring displacement and safety monitoring of slopes during construction work. The company selected the necessary equipment for slope monitoring but felt burdened by the costs associated with preparing power sources for the equipment. After the implementation, the parent unit, which requires power, was installed in the site office, allowing for stable communication. [Case Overview] ■Challenges - The cost of introducing equipment to the site is a burden. ■Benefits of Implementation - Achieved remote monitoring of natural slopes at a low cost. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where Tokai Railway Company implemented an "Inclination Monitoring System" for the safety monitoring of bridge piers located in the lake. Previously, conventional inclinometers were used for measuring the displacement of the bridge piers, and due to the difficulty of installation, such as wiring work for the equipment in the lake, the construction and maintenance costs became a burden. The inclinometer, which is a portable device, is battery-operated and wireless, allowing for very easy installation without the need for power supply work or wiring at the site. 【Case Overview】 ■ Issues - The installation of equipment and preparation of power supply at the site were burdensome. ■ Benefits of Implementation - Remote monitoring of bridge piers was achieved at a low cost with easy installation. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where Seikawa Construction Co., Ltd. implemented a "Wireless Slope Monitoring System" for dynamic observation and safety management of the embankment alongside railway tracks. The company had selected the necessary equipment for continuous monitoring but felt burdened by the installation costs, such as power supply preparations. The slope gauge, which is a sub-device, is battery-operated and wireless, allowing for easy installation without the need for power construction or wiring work on-site. This enabled 24-hour automatic remote management to be achieved easily and at a low cost. 【Case Overview】 ■ Challenges - The cost of introducing equipment to the site is a burden. ■ Benefits of Implementation - Achieved remote monitoring of the embankment alongside railway tracks at a low cost. - Easily established a robust wireless network. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where the "Inclination Monitoring System" was implemented at Okumura Corporation for measuring the displacement of parent piles used in retaining wall construction. Previously, workers manually conducted measurements regularly, which made it impossible to perform continuous measurement, recording, and monitoring, and the measurement process itself was cumbersome. After the implementation, we were able to significantly reduce the labor involved in measurements and the cost of equipment, thereby improving productivity on site. 【Case Overview】 ■Challenges - Measurement work and equipment costs on site were burdensome - Digital transformation on site was also a challenge ■Implementation Effects - Achieved significant reductions in labor and equipment costs through the use of IoT technology *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where a "tilt monitoring system" was implemented for the safety monitoring of temporary supports called vents used during bridge construction for a bridge manufacturer. We were looking for battery-operated inclinometers and planned to use more than 10 inclinometers, so it was necessary to have a system that could communicate with many inclinometers using a single master unit. The master unit can accommodate over 200 slave units, and thanks to the relay function of the numerous inclinometers used this time, we were able to measure a construction site that spans over 200 meters extensively, with only one master unit being sufficient. 【Case Overview】 ■ Challenges - Rapid response to strengthen safety management ■ Implementation Effects - Quick realization of enhanced safety management with easy installation of equipment - Cost minimized *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where a "Wireless Tilt Monitoring System" was implemented for the safety management of workers operating within the water discharge channel, in collaboration with UDIK Co., Ltd. We faced challenges with other companies' tilt meters, which could not be monitored remotely, and there were concerns about the introduction costs, such as preparing a power supply to operate the tilt meters. By keeping the introduction costs low, we were able to quickly set up the equipment and establish a system to protect the safety of workers operating within the water discharge channel. 【Case Overview】 ■ Challenges - The introduction costs of equipment at the site were burdensome. ■ Benefits of Implementation - Achieved safety management of the water discharge channel and remote monitoring of the stop boards with easy installation and low costs through wireless technology. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where a "wireless vibration measurement system" was implemented to monitor ground vibrations occurring during pile driving at the bay construction site for Toa Construction Co., Ltd. Due to the vastness of the construction site, using a wired vibration meter often required over 100 meters of wiring in some areas, making the installation and removal of equipment quite challenging. After the introduction of the system, the equipment operates wirelessly on battery power, eliminating the need for cumbersome wiring, which allowed for easy and constant remote monitoring of ground vibrations during pile driving. 【Case Overview】 ■ Issues - The burden of wiring work and preparing power sources on-site ■ Benefits of Implementation - Easy realization of constant remote vibration monitoring - Reduction in the labor and costs associated with equipment installation, removal, and power preparation *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case where Takada Kiko Co., Ltd. implemented an "Inclination Monitoring System" for safety monitoring in bridge construction. Wireless inclinometers from other companies have a short communication distance between the master and slave units, and when portable power sources or generators are used, managing battery levels and fuel becomes a burden and incurs additional costs. After implementation, we were able to reduce costs associated with preparing fuel and other supplies, and it became possible to automatically measure, record, and monitor 24/7. [Case Overview] ■Challenges - The burden of preparing power sources on-site ■Benefits of Implementation - Reduced costs for power preparation and fuel - Easy installation of equipment *For more details, please download the PDF or feel free to contact us.