General description This 5 in 1 Electronic PH Tester is designed for accurate measurement of pH, TDS, EC, salinity, and temperature in various water types, including drinking water, swimming pools, aquariums, spas, and hydroponics. The device features a backlit LCD screen for easy reading of values, making it user-friendly and efficient. Technical specifications PH resolution: 0.01pH, accuracy: ±0.05pH TDS resolution: 1ppm (0.1ppt), accuracy: ±2% Conductivity resolution: 1uS/cm (0.1mS/cm), accuracy: ±2% Temperature resolution: 0.1℃/℉, accuracy: ±0.5℃ Salinity resolution: 0.01%, accuracy: 0.01-5.00% (±0.1%), 5.10-25.00% (±1%) Waterproof rating: IP67 Usage Ideal for home or laboratory use. Suitable for testing pH balance in various water types. Always wait for the reading to stabilize before taking a measurement. Rinse the probe with distilled water after each measurement to ensure accuracy. Do not use the pH meter for solutions above 50 degrees Celsius. Other information Automatic