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<br>Ozone Tester employs an electrochemical sensor that can measure ozone concentration at a range of 0 ppm to 5 ppm. It incorporates a 2.6-inch IPS color screen to <br>digitally display the detected ozone concentration. Our tester offers user-friendly controls and a temperature and humidity detection function. Equipped with a <br>built-in suction pump for micro-negative-pressure operation.<br>
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