Professional EC/TDS Water Quality Testing: This TDS meter measures electrical conductivity (EC), total dissolved solids (TDS), and temperature for drinking water, hydroponics, aquariums, and laboratory testing

Extra-Wide Measuring Range: This TDS meter for water features a 0-9990 ppm TDS range and a 0-9990 μS/cm EC range, with 1 ppm TDS resolution and 1 μS/cm EC resolution, making it ideal for a wide range of water quality testing

Segmented High-Accuracy Display: This TDS water tester delivers up to ±2% accuracy in the low range (0–1000), with automatic accuracy adjustment for higher concentrations. The VA screen ensures reliable readings under different water conditions

Automatic Temperature Compensation (ATC): With built-in temperature compensation from 32-140 ℉ / 0.1-60 ℃, this water tester for drinking water automatically adjusts for temperature effects on readings to ensure stable measurement results

Portable, Long-Lasting Design: Powered by LR44 button batteries, this digital TDS water tester is lightweight and portable. It comes with a pre-installed professional electrode probe for quick testing at home or outdoors