The Aqua Master Tools H600 Pro Substrate Meter is the perfect tool for accurately measuring pH, EC, PPM, TDS and temperature in soft, moist substrates or liquids. With a user-friendly interface, built-in calibration indicator and robust housing, it is suitable for both professionals and beginners. The set includes an E50 Pro digital temperature EC meter, user manual and battery. Range: pH 0.1 - 14.0, EC 0.0 - 19.9 mS/cm, TDS 0.0 - 19.99 PPT / PPM 0.0 - 1999, temperature 0°C - 50°C. Resolution: pH 0.1, EC 0.1 mS/cm, TDS 0.01 PPT / PPM 10, temperature 0.1 °C. Accuracy: pH 0.1, EC ± 2%, temperature ±0.5 °C. PPM scale: 700 ppm. Automatic shutdown, battery indicator, calibration, operating temperature 0°C - 50°C. Dimensions: 210 x 120 x 60 mm, weight: 430 g.