Experience precise and hassle-free pH testing with the pH-2 Pro Digital pH Meter, designed for fast, accurate readings across a wide range of applications. Crafted with durable ABS material, this compact and portable pH meter features a large LCD display with a color-changing backlight that mimics a litmus test strip, providing intuitive visual feedback alongside numerical results. Ideal for aquariums, fishing, swimming pools, spas, school laboratories, food and beverage testing, and drinking water analysis, this versatile instrument simplifies pH measurement for professionals and hobbyists alike. Key Features: · Easy-to-Use Design: Simply immerse the electrode in the solution and read the stable pH value on the large LCD display within seconds, eliminating the need for color charts or test strips. · Auto Calibration: One-button automatic calibration with 3-point calibration mode ensures high accuracy and reliable measurements. · High Accuracy & Resolution: Measures pH values from -2.00 to 16.00 with a resolution of 0.01 pH and an accuracy of ±0.01 pH for precise monitoring. · Compact & Portable: Lightweight and pocket-sized (155 x 32 x 18mm, 58g), making it easy to carry and use anywhere. · Litmus Test Function: The LCD backlight changes color according to the pH value, providing an intuitive visual reference similar to traditional litmus paper. · Automatic Temperature Compensation (ATC): Adjusts readings automatically for temperature variations to ensure consistent accuracy. · Power-Off Data Storage: Retains data for up to one month even after battery removal, ensuring no loss of measurement history. · Wide Application Range: Perfect for use in aquariums, fishing, swimming pools, spas, laboratories, food and beverage testing, and water quality analysis. Specifications: · Model: pH-2 Pro · Material: ABS · Measurement Range: -2.00 to 16.00 pH (commonly 0.00-14.00 pH) · Calibration Mode: 3-point auto calibration · Resolution: 0.01 pH · Accuracy: ±0.01 pH · Power Supply: 2 x 1.5V LR44 button cells · Operating Temperature: 0℃ to 80℃ (32℉ to 176℉) · Item Size: 155 x 32 x 18 mm (6.10 x 1.26 x 0.71 in) · Item Weight: 58 g (2.04 oz) Package Includes: · 1 x pH-2 Pro Digital pH Meter · 3 x Calibration Powder (pH 4.00, 6.86, 9.18) · 2 x LR44 Button Cell Batteries · 1 x User Manual (English) This pH meter offers quick setup and effortless operation with clear instructions for calibration and maintenance. Its protective cap preserves electrode life by preventing drying, while easy cleaning steps ensure long-term stability and accuracy. Whether for professional or casual use, the pH-2 Pro Digital pH Meter delivers reliable, precise pH measurements in a compact, user-friendly package.