Small water-level sensors
HAII incorporated with Innovation Centre, True Corporation Public Company Limited, .and Charoen Pokphand Foundation developed small water level sensors (Duck Sensors) to monitor water-level variations for over 100,000 small reservoirs nationwide. Under the concept of self-reliance to improve water resource management in the level of community scale.
The low-cost duck sensors are east of use and transmitting monitored data hourly through cellular networks. The Duck Sensor is capable of measuring water depth at 0-20 metre range. It uses solar cells as power source and GPS for geo-locating.