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Dissolved Oxygen Analyzer

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Dissolved Oxygen Sensor

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Dissolved oxygen refers to oxygen molecules dissolved in water. It is one of the gases necessary for the survival and breathing of organisms in water bodies. The concentration of dissolved oxygen in water can affect the growth and health of aquatic organisms. The online Dissolved Oxygen Analyzer can realize real-time continuous monitoring of the dissolved oxygen value of water quality.
The measurement principles of dissolved oxygen analyzers usually have the following types:
Polarography: An electrode is immersed in water to measure the dissolved oxygen content based on a change in current or potential generated by a redox reaction between the dissolved oxygen and the electrode.
Optical method: This method uses an optical Dissolved Oxygen Sensor to measure the dissolved oxygen concentration. One common optical sensor is the oxygen sensor, which uses an oxygen-sensitive dye to detect the amount of dissolved oxygen in water. These sensors can measure using principles such as fluorescence or absorption spectroscopy.
Chemical methods: Chemical methods typically use reagents to measure dissolved oxygen levels. These reagents chemically react with dissolved oxygen to produce a measurable color change or electrical signal, allowing the concentration of dissolved oxygen to be determined.

Daruifuno's DUC2-DO dissolved oxygen analyzer is equipped with an optical dissolved oxygen sensor. The fluorescence method does not consume oxygen, does not require electrolyte, has a fast response and is convenient for measurement.

dissolved oxygen analyzer

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Online digital dissolved oxygen analyzer
The online dissolved oxygen analyzer adopts fluorescence principle. Widely used in urban sewage treatment, aquaculture, industrial wastewater, surface water, seawater monitoring.
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OPD700 dissolved oxygen sensor
A cost-effective dissolved oxygen sensor for the aquaculture industry. Suitable for either fresh or seawater. The housing of titanium alloy is corrosion-resistant.
OPD790 dissolved oxygen sensor
A dissolved oxygen sensor that can be used in sewage treatment, industrial wastewater, and surface water monitoring. 316L stainless steel head and PPS shell material.
OPTOD dissolved oxygen sensor
A high-quality dissolved oxygen sensor for most water quality monitoring applications. Digital RS485 and SDI12. The advantage is low power consumption.
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