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The main factors affecting dissolved oxygen (DO) measurement results include: Water Sample Temperature: Temperature is a crucial factor affecting DO measurement results. The solubility of dissolved oxygen decreases with increasing temperature. Therefore, changes in water sample temperature directly lead to changes in dissolved oxygen concentration. Salinity: Salinity is also a key factor affecting DO measurement results. As salinity increases, the density and viscosity of water change, thus affecting the diffusion rate and solubility of dissolved oxygen. Pressure: The pressure exerted on the water sample also affects the DO measurement results. In deep-water environments, water pressure gradually increases with depth, and the dissolved oxygen concentration changes accordingly. Instrument Calibration and Maintenance: In addition to the factors inherent to the water sample itself, the calibration and maintenance of the dissolved oxygen meter also significantly impact the measurement res...

Dissolved oxygen sensors play a vital role in environmental monitoring, especially in water quality monitoring. The following is a detailed explanation of their main roles: Monitoring water quality health Dissolved oxygen is a key factor for the survival of organisms in aquatic ecosystems. The dissolved oxygen content in water directly affects the health of the water body. When the dissolved oxygen content in water is too low, it will lead to the accumulation of organic matter and nitrogen oxides, produce harmful substances, and pose a threat to the health of humans and animals. By using dissolved oxygen sensors, the dissolved oxygen content in water can be monitored in real time, water quality problems can be discovered in time, and the health of the water ecosystem can be guaranteed. Support environmental protection and sustainable development With the improvement of environmental protection awareness, more and more countries and regions have begun to pay attention to the protection...