The ONE series are compact-sized, simple and cost-effective wireless water quality and level logger. It is easy to be deployed across a wide range of water and groundwater, sewer , mine, river, lake and reservior water quality monitoring applications. It built-in RS485 port to connect up to 8 SMR digital sensors includes level, conductivity, pH, dissolved Oxygen, turbidity, total suspended solids, temperature. Ultra low power consumption allows battery power to ensure 5 years of continuous operation. With robust IP68 water submersible enclosure, the product is perfectly used in many monitoring applications such as aquifer characterization, flood and stormwater, construction and mine, drilling and well