Self-powered mobile sensor for in-pipe potable water quality monitoring
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Traditional stationary sensors for potable-water quality monitoring in a wireless sensor network format allow for continuous data collection and transfer. These stationary sensors have played a key role in reporting contamination events in order to secure public health. We are developing a self-powered mobile sensor that can move with the water flow, allowing real-time detection of contamination in water distribution pipes, with a higher temporal resolution. Functionality of the mobile sensor was tested for detecting and monitoring pH, Ca 2+ , Mg 2+ , HCO 3- CO 32- , NH 4+ and Cl - ; ions. Moreover, energy harvest and wireless data transmission capabilities are being designed for the mobile sensor. Copyright (2013) by the Chemical and Biological Microsystems Society All rights reserved.