Design and development of a portable low-cost COTS-based water quality monitoring system

This paper presents a low-cost and portable water quality monitoring system for a researcher, consumer and also drinking water distribution systems. This system consists of main controller unit based on Commercial off-the-shelf (COTS) single board computer and equipped with LCD touch screen to display data information, the central measurement unit is interfaced to the multi-parameter sensor array to collect data from environment and communication unit that bring connection from the sensor device to The Internet. The dimension of portable water monitoring system are 38cm × 12.8cm × 8cm, and the weight is 658gr. The device also supports for modularity. From experiment we measured that the reliability delay for processing data is 1 second and delay for communication is only 2 seconds with 3.1Mbps Internet connection.

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