1.Advanced Heavy Metal Detection: Get a detailed analysis of your water quality with our TDS meter. It accurately and instantly detects soluble salt content, ionic organic matter, and other impurities, including heavy metals. Quick response within 3 seconds allows you to check your water quality quickly and easily. 2.Accurate and Reliable: Get precise TDS readings every time with our tds meter equipped with a quality titanium probe. 3.Improved Lock Function: Experience stress and precise readings with the TDS Meter's lock function and upgraded LCD screen. Save and view measurements with ease. 4.Efficient Power Management: The TDS ppm meter will automatically shut off if there is no operation for more than 5 minutes, saving battery life. Simply turn the TDS meter and gently stir the water. It locks to a stable reading on the LCD within seconds, giving you accurate and reliable results.