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This sensor uses an optical method to determine the color of an object by analyzing the absorption, reflection or transmission characteristics of light of a specific wavelength.
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This sensor uses optical principles for measurement, The probe based on the optical principle emits light of a specific wavelength, illuminates the suspended solids in the water, and then measures the intensity of the reflected light or scattered light to calculate the content of the suspended solids.
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The working principle of this sensor is usually based on the fluorescence method. When a certain wavelength of excitation light is used to illuminate the water body, the pigment in the blue-green algae will be excited to a high energy state.
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The working principle of this sensor is to use the characteristics of chlorophyll in the spectrum. By emitting light of a specific wavelength to iluminate the water body, chlorophyll will release fluorescence of another wavelength after absorbing the energy of the light.
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The Digital Oil in Water Sensor is a device that uses the natural fluorescence properties of oil to detect oil-water mixtures in real time. It can detect various types of oil. It uses the fluorescence properties of oil under ultraviolet light. When ultraviolet light is irradiated on the oil,the oil wil fluoresce.
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The digital redox point (ORP) sensor is an instrument used to measure the redox potential in aqueous solution, a parameter that reflects the relative strength of the oxidant and the reductant in the solution.
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Digital Nitrate Nitrogen Sensor is an instrument used for real-time monitoring of nitrate nitrogen (NO3-N) and nitrite nitrogen (NO2-N) concentrations in water.
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The digital residual chlorine sensor is an instrument used to measure the concentration of residual gas in water samples.Residual chlorine refers to the remaining chlorine in the water, including free chlorine and combined chlorine.
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The ammonia nitrogen sensor uses an ion-selective electrode and has a membrane with a specific type of ion permeability, The composite sensor composed of this selective membrane and electrolyte can be used to measure the redox potential of the required specific ions (for example, NH4+).
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Many organic substances dissolved in water have an absorption effect on external light, Therefore, by measuring the degree of absorption of these organic substances to 254nm wavelength ultraviolet light, the total amount of organic pollutants in the water can be measured.
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