Pack Test Simple water quality testing equipment Nitrite (high concentration)/nitrite nitrogen (high concentration) [Specifications] <br>Measurement items: Nitrite (high concentration)/nitrite nitrogen (high concentration) <br>Measurement range (mg/L): 16, 33, 66, 160, 330, 660 or more / 5, 10, 20, 50, 100, 200 or more <br>测量时间:5分钟
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