The HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two-button meter operation and advanced features, including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm). for your essential testing.
All measurements in a single, hassle-free tester.
Quick Cal solutions to calibrate pH and conductivity all at once with a single solution.
Perfect for hydroponics, greenhouse, and agriculture use.
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