Apparatus for measuring quality of water and communication method of the same of

A water measurement device and a communications method capable of communicating with a control server are provided to solve a communication failure by performing communication with a control server. A water measurement device(1) includes a control server(2), a water quality sensor(120), a controller(100) and a communication method setting unit(200). The control server processes water quality data. The water quality sensor acquires water quality data. The controller transmits water quality data which are obtained by using the water quality sensor to the control server. The communications method of controller and control server is set up.