General description This Electronic PH Meter Tester is a versatile 5-in-1 device designed for testing pH, TDS, EC, salinity, and temperature of water. It features a clear green backlit LCD display for easy reading, even in low visibility conditions, and a portable design for convenient use on the go. The meter includes an automatic shutdown feature that activates after 5 minutes to conserve battery life. Technical specifications Measuring range: pH 0.00-14.00 (accuracy 0.01 pH) TDS: 0-10000 ppm EC: 0-10000 µS/cm, 10.1-19.99 mS, 20.1-400.0 mS/cm Salinity: 0.01%-25.00% Temperature: 0-60℃ (32 to 140°F) Response speed: 0.1 seconds Calibration Three-point calibration method using pH 4.01, 6.86, and 9.18 solutions Automatic temperature compensation for accurate readings Usage This multifunctional pH tester is suitable for various applications, including testing the quality of drinking water, swimming pools, aquariums, hot springs, aquaculture, ponds, and water wells, ensuring water safety