General description The Digital pH Meter Tester is a versatile 4 in 1 device that measures pH, TDS, EC, and temperature simultaneously with high precision. Designed for ease of use, it features a durable ABS construction and is waterproof (IP 67), making it ideal for various water quality testing applications. Technical specifications Measurement range: 0-14 pH Measurement accuracy: ±0.01 pH Resolution: 0.01 pH Temperature range for accurate pH measurement: 0 °C to 60 °C (32 °F to 140 °F) Calibration method: 3-point calibration (pH 4.00, pH 6.86, pH 9.18) Usage Ideal for testing drinking water, swimming pools, aquariums, spas, hydroponics, food, wine, and beer. Easy calibration by immersing the electrode in the target solution and pressing the MODEL/CAL button for 5 seconds after readings stabilize. Automatic Temperature Compensation (ATC) ensures accurate pH readings regardless of liquid temperature fluctuations. Other information Features a large backlit LCD screen for easy reading.