余氯测定仪是高智能化在线监测仪，由传感器和二次表两部分组成。可同时测量余氯、pH值、温度。可广泛应用于电力、自来水厂、医院等行业中各种水质的余氯和pH值连续监测。
SD90762余氯测定仪采用光电子比色检测原理取代传统的目视比色法。
SD90762 residual chlorine measuring instrument using photoelectron colorimetric detection principle to replace the traditional visual colorimetry.
介绍用四甲基联苯胺分光光度法测定水中余氯的原理、氯标准曲线的绘制、样品测试，该方法的结果与讨论。
The principle of spectrophotometry with tetramethyl-benzidine, the drafting of chlorine standard curves, sample tests, and the results and discussions of the method are introduced.
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