POP -HOT WDS: escorez  max  Displacement  329*2  ave  25*25  Cas12  dental  6*32  格子 

KL-1393C □

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Unit Price: Negotiable
Min_QTY: 10 件
Storage:
Delivery: After payment in 3 days Ship out
Location: Global
Available: Long-term effectiveness
Last update: 2026-04-02 09:36
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Detailed description
TDS计是英文 'TotalDissolvedSolid' 的缩写,意思是可溶解固体总量,可溶解固体总量是指溶解在水里的无机盐和有机物的总称。其主要成分有钙、镁、钠、钾离子和碳酸离子、碳酸氢离子、氯离子、硫酸离子和硝酸离子等。因此TDS计就是可溶解固体总量测试仪。TDS计的单位是ppm(即mg/L),其量值定义为一定比例数的电导率值,一般取0. 7左右。TDS计自动温度补偿的基准温度一般为25℃,温度系数一般为2%/℃。

A 139 series of pen gauges is reliable and simple and fast. This pen TDS allows hand-held measurements, and the LCD shows measurement readings.
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