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COD Sensor
Cod sensor leverages multi‑spectral ultraviolet absorption to deliver surrogate measurement of organic pollutant loads, bypassing the lengthy digestion and toxic reagent consumption required by traditional laboratory dichromate testing. By analysing light attenuation at 254 nm paired with auxiliary reference wavelengths, the device builds site‑relevant correlation models to reflect real‑time chemical oxygen demand without sample collection or chemical addition.
Integrated self‑cleaning optical wiper reduces bio‑fouling accumulation upon optical windows and extends service intervals for field deployment. Multi‑wavelength algorithm offset suppresses measurement deviations triggered by turbidity and water‑body chromatic distortion, achieving stable output amid fluctuating industrial wastewater matrices. Fast spectral response captures sudden organic‑load surges, enabling operators to spot process upset long before laboratory test results become available.
Applied for biochemical plant influent‑effluent inspection, industrial discharge outlets and river‑basin organic‑pollution surveillance, these probes feed continuous organic‑pollution datasets into customised water‑monitoring solutions. Plant managers interpret long‑term trending records to optimise biochemical processing performance and compile traceable archives for effluent‑discharge compliance audits.
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