TDSIt's in English.Completely dissolved.The abbreviation for "total dissolved solids" refers to the sum of inorganic salts and organic substances dissolved in water. The main components include calcium, magnesium, and sodium; potassium ions and carbonate ions; hydrocarbons, chloride ions, sulfate ions, nitrates, etc.TDSThe count is a soluble solid volume tester.TDSThe unit of account is...ppm (parts per million)(i.e.,mg/L), which is defined as the conductivity value of a proportional number, generally taken0.7Around.TDSThe baseline temperature for automatic temperature compensation is generally25℃, 温度系数通常2% / %. This product has the following characteristics: Large Liquid Crystal Screen- RibbonMore than double the value of the same product, with clear indications; It's a reasonable design.- RibbonPen end electrodes can be directly measured into the mouth of a drinking water bottle, and pens can be used as measured liquid packagings, which are extremely easy to use; Measuring Quick- RibbonDue to the delicate, exposed sensor component,5-30(a) The second one can complete a measurement once; Clean it up.- RibbonElectrodescords can be removed to facilitate the cleaning of probes and condoms. This product has a fast and accurate measurement speed, and its casing is durable, not easily damaged.