+86 15898932201Online Water Quality Monitor is an automated monitoring instrument that integrates water quality sensors, a data acquisition and transmission system, and a power supply unit within a single cabinet. The device uses electrode and contact electrode methods to measure pH and water conductivity, respectively. Combined with a high-precision digital temperature sensor, it can meet the continuous monitoring needs of water quality parameters in wastewater treatment, aquaculture, and water supply networks.
Online Water Quality Monitor is a type of highly integrated automated instrument combining sensors, data acquisition, and a power supply system. hese devices typically install one or more water quality sensors in a flow-through tank, using a pump to draw water samples into a closed pipeline for measurement. The pH electrode operates on an electrochemical principle, using a glass membrane electrode to measure the hydrogen ion activity in the water. A potential difference is formed with a reference electrode, and the potential signal is then converted into a pH value output. The conductivity sensor uses a contact electrode method, applying an AC voltage to the water and measuring the current response to calculate the water sample's conductivity. Temperature is collected in real time using a high-precision digital sensor encased in a metal sheath. All three sensors are fixed to the same flow cell base, ensuring independent measurement.
From a system composition perspective, this type of equipment adopts a modular design. The hardware comprises five basic units: a power supply unit converts 220V AC power into stable DC power for each module; a pump control unit equipped with an intelligent self-priming pump with a head of up to 25 meters; an analysis and testing unit that fixes the pH electrode, conductivity electrode, and temperature sensor within the flow cell for direct contact with the water sample; a display unit with a 7-inch touchscreen for local operation and data reading; and a remote communication unit supporting GPRS, 4G, and RS485 Modbus protocols, enabling real-time data transmission to a cloud platform. The integrated cabinet design eliminates the need for on-site wiring, station construction, and regular maintenance, making it more convenient to use and install compared to traditional water quality monitoring stations.
In practical applications, there is a direct physical correlation between the core parameters of Online Water Quality Monitor , and changes in water temperature simultaneously affect the ion migration rate of electrolytes and the electrode response speed. These devices are designed with temperature compensation mechanisms in mind. The temperature measurement results integrated into the sensor correct the output values of pH and conductivity in real time, ensuring the accuracy of the measurements under different water temperature conditions. The equipment can be widely used for continuous monitoring of wastewater treatment plant inlets and outlets, daily water quality inspections of aquaculture ponds, end-point water quality monitoring of waterworks and water supply networks, and water quality tracking of industrial circulating cooling water and boiler feedwater. The equipment also features an over-limit alarm function; when monitored parameters exceed preset thresholds, the system automatically sends an alarm SMS to a designated mobile phone, helping managers respond promptly to water quality anomalies.
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