Auto Calibration: Troubled by calibration issues? A push of a button helps you calibrate your digital pH meter. The device uses a three-point calibration method, a step-by-step procedure for easy calibration, dr.meter pH test can automatically identify the calibration solution, which makes your pH reading almost clear in one a look. Convenient pH reading: Get the job done easily. Ready to read your pH? Know the quality of your liquid with the one-button lockout feature. It's that simple. High Accuracy: Have you ever seen a digital pH meter with unparalleled accuracy and a fast-response design? You can do this right now with a pH tester. Equipped with algorithmic chip and high quality electrodes The meter has high precision and is an ideal choice for testing the quality of solutions. Extensive Applications: We've covered all the pH testing possibilities you need! The tester's small size makes it ideal for everyday home use, education and testing.It is suitable for testing the pH of drinking water, swimming pools, aquariums, spas, hydroponics, food, wine and beer, etc. Measuring range: pH: 0.01-14.00pH Temperature: 0-50, 32-122F Resolution: pH: 0.01pH Temperature: 0.1 1 F Accuracy: pH: 0.01pH Temperature: 0.1 1F Working environment: 0-50C (32-122F) Calibration pH: pH: 25C Three point calibration: 4.01, 6.86, 9.18 Dimensions (mm): 40185mm Weight: 88g Quantity: 1 piece Note: Nothing else is included here, the color is subject to the first picture, other pictures only show the effect Due to differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. THANKS! Become very rich