The portable pH meter from our company provides high accuracy, stability, and reliability in a truly portable design. Ideal for measuring the pH value and temperature of solutions, it's extensively used across various sectors such as industry, electric power, agriculture, medicine, food, scientific research, and environmental protection. Key Features: High Precision Composite Electrode Sensor: Equipped with a composite electrode sensor for rapid, precise measurements, enhanced with a zinc alloy blade to measure the pH of soil and bread pastries. Three Point Calibration and Automatic Recognition: Includes a three-point calibration feature where the sensor automatically recognizes buffer solutions for quick probe calibration. Alarm Prompt: A visual red alert appears on the screen when the pH value falls below 3.5 or exceeds 12.5, signaling strong acidic or basic conditions. Automatic Temperature Compensation: Compensates for temperature variations to ensure high accuracy in pH measurements, essential for precise requirements. Large LCD Display Screen: Features a backlit screen for clear visibility in both low and high light environments, facilitating easy readings in various conditions. Versatile Gardening Tool: Includes an A-tapered zinc alloy cutter head for easy soil penetration, perfect for various soil types, fostering the cultivation and maintenance of vegetables, flowers, lawns, gardens, and hydroponics. Specifications: Model: PH818T Material: ABS pH Measuring Range: 0.0~14.0pH Basic Error of pH Measurement: ±0.1pH Repeatability: ±0.1 Resolution: 0.1pH Solution Temperature Compensation Range: 0℃~70℃ Temperature Accuracy: ±0.1℃ Temperature Range of Measured Solution: 0℃~60℃ Power Supply: 2 * 1.5V AAA batteries (Not included) Display: Large LCD screen Working Ambient Temperature: 0℃~50℃ Working Environment Humidity: ≤85%RH Item Size: 267.5 * 44 * 44mm / 10.53 * 1.73 * 1.73in Item Weight: 124g / 4.37oz Package Weight: 305g / 10.75oz Package Size: 29.5 * 9 * 5cm / 11.61 * 3.54 * 1.97in Package Includes: 1 * pH Meter 6 * pH Calibration Powder Packs (pH4.01, pH7.00, pH10.01) 2 * Potassium Chloride Powder 1 * Empty Bottle 2 * Pipette 1 * Brush 1 * Cloth Bag 1 * Protective Cap 1 * Zinc Alloy Cutter Head 1 * English User Manual