Sibata简单的水质测试套件简单包装水检查团队系列自来水 水测试仪，简单包 080520-461

Measurement items: pH 5, free residual chlorine, nitrite, iron, total hardness (2 servings each)
Measurement range: pH 5.0-9.5, 10 levels, 0.1-5 mg/L, 8 levels
Tap water
Nitrite ion (mg/L): 0.02-1 6 levels
Nitritic nitrogen (mg/L): 0.006-0.3 6级，0.3-10 6级，0-200 6级

包装材料：聚乙烯

110g

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