5 in 1 pH Meter for Water This versatile pH meter is designed to measure pH, TDS, EC, temperature, and salt levels in water. With a single device, you can easily monitor multiple key water parameters. Auto-Calibration Function The auto-calibration feature simplifies calibration for quick and reliable setup. Simply immerse the electrode in the provided calibration solutions, and the meter will automatically calibrate. Includes calibration powder (standards: pH 4.00, pH 6.86, pH 9.18) to ensure accurate and consistent results. High Accuracy With a resolution of 0.01, this digital pH meter delivers precise readings, providing reliable data on water acidity or alkalinity. Ideal for maintaining proper pH balance in hydroponics, aquariums, and fish tanks. Wide Range of Applications Suitable for various uses, including testing drinking water, wine, hydroponic nutrient solutions, and saltwater pools. Helps ensure salt levels in pools remain within recommended ranges. User-Friendly Design Features a large backlit LCD screen for clear, easy-to-read results, even in low-light conditions. Compact and portable, making it convenient for use at home, in the lab, or on-site. A reliable tool for professionals and hobbyists who require accurate and multi-functional water testing.