Aiming at problems that traditional water quality monitoring systems can not real-time online monitoring water quality parameters

it is difficult to accurately detect dynamic changes of water quality parameters and detecting errors of water quality parameters is big

propose a WSNs-based terminal design scheme of multiparameter water quality monitoring.The design scheme uses modular design to meet individual needs;uses solar and battery dual power supply to extend working time of wireless nodes.Simulation test results show that average relative error of pH value

conductivity

dissolved oxygen

is 2.21 %

0.69 %

2.05 %

respectively

compared with precision of conventional water quality monitoring system is improved about 30 %.