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Patented polarographic sensor design. Provides fast, accurate oxygen measurements in gaseous or liquid samples. Wide range of temperature and pressure ranges. Precise measurement from 0.1 ppb to 2000 ppm. Detection limit of ± 0.1 ppb or 100 ppt. Guard ring electrode design improves speed of response and reduces interferences. Calibrate in air for ease of use or against a sample of known oxygen content. Rugged construction for harsh environments.
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