Experience precise and reliable pH measurement with this advanced Digital pH Meter Pen, designed for a variety of applications including aquariums, fishing, swimming pools, food and beverage testing, and educational laboratories. Featuring a large, clear LCD screen with excellent waterproof performance, this pH meter ensures easy readability even in wet environments. Equipped with a sensitive advanced Korean glass bulb electrode, it provides fast and accurate results by directly contacting the tested solution. Key Features: · Large Waterproof LCD Screen: Displays pH values clearly and is resistant to water, making it ideal for use in moist or wet conditions. · 2-Point Automatic Calibration: Quickly calibrates within 5 seconds with automatic identification of standard calibration liquids, ensuring high measurement accuracy. · Advanced Korean Glass Bulb Electrode: Sensitive sensor for fast, precise pH detection by direct contact with the liquid being tested. · Automatic Temperature Compensation: Adjusts the pH reading automatically to account for temperature variations, providing accurate results regardless of environmental changes. · Easy Operation: Simply remove the protective cap, immerse the electrode in the solution, and press the button to measure the pH value, suitable for users of all experience levels. Specifications: · Measuring Range: 0.00 to 14.00 pH · Accuracy: ±0.05 pH · Resolution: 0.01 pH · Operating Temperature: 0 to 60°C · Probe Type: Glass bulb electrode · Calibration Method: 2-point automatic calibration · Power Supply: 2 × 1.5V batteries (not included) · Size: Approximately 155 × 29 × 16 mm (6.1 × 1.1 × 0.6 inches) · Weight: Approx. 88g Package Includes: · 1 x Digital pH Meter Pen This compact and portable pH meter pen is a must-have tool for accurate pH measurements in various settings, combining user-friendly operation, reliable calibration, and durable construction to enhance your testing efficiency and accuracy.