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KCCS Mobile Engineering Co., Ltd.

IoT Water Level Sensor Solution:helps early detection of abnormal situations like water leakage

In FY2019, KCCS Mobile Engineering Co., Ltd. (Head Office: Minato-ku, Tokyo; President & CEO: Hyngbae Kim; hereinafter called "KCME"), in collaboration with OSASI Technos Inc. (Head Office: Kochi City, Kochi Prefecture; President: Maki Yano), started the demonstration of the "IoT Water Level Sensor Solution" for municipalities in Nagano Prefecture to improve the efficiency of maintenance and management of water supply facilities.

The IoT Water Level Sensor Solution utilizes a remote monitoring system that combines KCME's water level monitoring application with Osashi Technos' LPWA (Sigfox) compatible water level meters, allowing users to check the "current water level" and "graphs showing changes in water levels" at observation points anytime and anywhere via mobile terminals or computers.


The waterworks facilities of the municipality have a system that displays the current water levels at each facility on an electronic bulletin board in the municipal office; however, there was an issue that it took time to grasp the situation in case of abnormalities because checking the water levels required visiting the office or the facilities. Another issue was that some of the facilities had no infrastructure to supply power and had no system to monitor the water level because installing equipment requiring power was difficult.


To solve these, in the demonstration we introduced the IoT Water Level Sensor Solution that combines LPWA (Sigfox) communication featuring low communication cost and low power consumption, battery-powered water level sensors, and a monitoring application that can collect and graph data and conducted monitoring.

As a result, the water level graph showed abnormal values during the demonstration, which led to early detection of water leakage and minimized the damage. Early detection of leaks enhances the efficiency of maintenance and management, and it also improves the revenue ratio, which is essential for the long-term sustainability of the water supply business.


This case motivated the municipality to appreciate the effectiveness of the IoT water level sensor solution, and they are now considering expanding the number of locations to install it.

We will continue to introduce and deploy the IoT Water Level Sensor Solution while further improving its functions with an eye to other users and applications other than to water supply facilities.

■KCCS Mobile Engineering Co., Ltd. (KCME)

KCCS Mobile Engineering commenced operations in 2011 intending to become a "global company that contributes to the development of information and communication networks," centering around optimal solutions that integrate mobile and ICT. It is conducting a wide range of businesses, not only in the fields of Mobile Internet, AI, IoT, Big Data, and virtual cloud, which are the foundations of the information revolution, but also in their subdivided fields such as 5G, SDN, NFV, GPON, and related engineering. The company is also actively expanding its business not only in Japan but also overseas, especially in the rapidly developing Southeast Asian region, where it has established offices to promote its business globally. KCME is a member of the Kyocera Group and the Sigfox Partner Program.

Official website:

■OSASI Technos Inc.

Founded in 1972, OSASI Technos Inc. is a manufacturer of measurement systems with its head office and factory in Kochi City, Kochi Prefecture. Its main business is the design, manufacture, and sale of disaster prevention-related measurement equipment, and it also provides rental, installation, and maintenance services. It has expertise in disaster prevention monitoring systems for rivers and slopes, which are for governments, and has installed them in all 47 prefectures in Japan. Overseas, the company also contributes to landslide prevention in developing countries through JICA projects.

Official website: 

Contact for inquiries:
Yuri Tokunou
Public Relations Office
KCCS Mobile Engineering Co., Ltd.

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