DOG2082S online analyser is an intelligent online electrochemical water quality analyser, is a widely used in thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food and tap water and other solutions of dissolved oxygen and temperature continuous monitor, continuous monitoring data through the output of the transmitter connected to the recorder to achieve monitoring and recording of the remote transmission, but also can be connected to the RS485 interface through the MODBUS RTU protocol can be easily connected to a computer to achieve monitoring and recording, can also be connected to the computer to achieve monitoring and recording, can also be connected to a computer to achieve monitoring and recording, can also be connected to a computer to achieve monitoring and recording, and can be connected to a computer via MODBUS RTU protocol. RTU protocol can be easily connected to a computer to achieve monitoring and recording.