dBi10 Provides low-power river level monitoring

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The Ministry of Land, Infrastructure, Transport, and Tourism (MLIT) is a ministry of the Japanese Government. It is responsible for all of the laws and orders in Japan and is the largest Japanese ministry in terms of employees.
The mountainous setting of Japan creates rivers that are generally short and have steep channel slopes, however, the rivers around Japan are essential to the economy and development of Japanese society. Japan lies in the northeast top of the Asian Monsoon Zone, and the four distinct seasons feature three periods of heavy precipitation. The rivers in Japan are prone to flooding because they flow rapidly as a result of the mountainous terrain, and the water levels rise and fall very quickly.

Level Monitoring in Remote Locations

The MLIT approached Pulsar Measurement’s distributor in Japan, Delairco KK for help with low-powered level measurement. When working on a solution for the MLIT, personnel at Delairco KK decided that the IMP Lite and dBi10 units would be the perfect solution. The low-power design of the dBi HART level sensors means they are ideal for remote locations. These non-contacting, ultrasonic level sensors can be used as stand-alone devices or part of a complete data logging or control system, using HART protocols for data collection.

The dBi level sensor has a very high accuracy (0.06% full scale). Although the MLIT allows 0.3%, the dBi is much superior to MLIT’s specification and all the integrators at the MLIT appreciate its high accuracy.

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