General description This 5 in 1 pH TDS Meter is a versatile water quality tester that measures pH, TDS (Total Dissolved Solids), EC (Electrical Conductivity), salinity, and temperature. It is factory calibrated for immediate use and can be recalibrated with a calibration solution if necessary. The device is ideal for testing the quality of drinking water, swimming pools, aquariums, and home plantations. Technical specifications Measuring Range: pH 0.00-14.00 (accuracy 0.01 pH) TDS: 0-10,000 ppm EC: 0-10,000 µS/cm Temperature: 0-60℃ Other information Backlit LCD Display: Features a clear green backlit LCD that allows for easy reading even in low visibility conditions.