Ahlsen pH Meter, 0.01 pH Meter, High-Precision Water Tester, 0-14 pH Measuring Range, for Water/Bubble/Food/Soil/Sauce/Laboratory Use, Digital pH Tester

General Description This digital pH meter is an affordable and practical tool for testing the pH of drinking water, swimming pools, aquariums, food and other solutions. It is suitable for both home and laboratory use, offering accuracy and ease of use. Technical Specifications Measuring Range: 0-14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH (at 20°C) Operating Environment: 95% RH, 0-50°C (32~176°F) Battery: 2 x 1.5V LR button cell batteries Weight: 1.76 oz Compatibility and Accessories Included: 1 pH meter 3 calibration packs 1 carrying case 1 user manual Installation Dissolve the pH buffer powder in 250 ml of distilled water for calibration. Turn on the pH meter and clean the electrode in distilled water. Immerse the electrode in the pH standard solution. Press the 'CAL' button and wait for the reading to stabilize. Use Clean the electrode with distilled water before and after each use. Usage. Handle the glass probe with care, as it may be fragile. Gently wipe the electrode with a clean, soft cloth after use. Replace the battery if necessary and recalibrate the meter. Other information: Note: Data is measured manually; an error of 1-44 cm is possible. Color differences may occur due to variations in light and screen settings.