@水质检测自来水tds值正常范围 水质检测 自来水TDS值正常范围一般为100-300毫克/升。这个范围因地区和水源的不同而有所差异。 TDS值的定义:TDS值是指水中溶解的固体物质的总量,包括矿物质、盐类、有机物等。它反映了水质的纯净程度,但并不能直接判断水质的安全性。 水质安全性的判断:即使TDS值较低,水中也可能存...
商品类型 日用百货 、 居家日用 、 其他居家日用 商品关键词 水质检测笔、 PH测试笔、 酸度计、 水质笔、 PH计 商品图片 商品参数 系列: 654156 编码: 654156 包装: 袋装 尺寸: 多个 体积: 多个 重量: 多个 颜色: 图片色 特性: 普通 工艺: 普通 适用范围: 通用 适用面积: 通用 功能:...
This device complies with Part 15 of the FCC Rules and Industry Canada ICES-003. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undes...
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This device complies with Part 15 of the FCC Rules and Industry Canada ICES-003. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause un...
This device complies with part 15 of the FCC Rules and Industry Canada ICES-003. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may ca...