01 calibration solution certified to meet the standard with an accuracy of ±0

Replaceable electrode

this meter delivers lab-quality accuracy in a rugged

✔ Multi-function: drink

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ppm Water Purification 01 calibration solution certified toIdeal for all basic water testing applications. The best value meter in the world! Features Economy model that is ideal for end users. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto off function: the meter shuts off automatically after 10 minutes of non use to conserve batteries. Measurement Range: 0 9990 ppm. From 0 999 ppm, the resolution is in