Easy to operate: TDS meter locks the measurement result when you press the "HOLD" button and switches off automatically after a few minutes of non-use. The pH meter has an automatic calibration function and you can take a quick reading Precise and reliable: pH resolution is 0.01 pH, accuracy ± 0.01 pH. TDS meter rang 0~9999ppm, conductivity 0~9999 us/cm, accuracy ± 2%. TDS 0 ~ 9999 ppm Automatic temperature compensation: ATC takes temperature changes into account automatically. Switch it on and put it in liquid, read display Versatile use: Ideal for household or laboratory; suitable for testing the pH of drinking water, pool, aquarium, RO system, spa or hydroponics Easy to carry: Handheld design and small size make it convenient for you to carry
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