Ensure the safety and quality of your water with this high-precision pen-type pH meter, designed for accurate measurement of weakly alkaline drinking water and various other applications. Crafted from durable ABS material, this pH meter features advanced functions such as automatic temperature compensation and an IP65 waterproof design, making it reliable and convenient for both indoor and outdoor use. Key Features: · Accurate Drinking Water Testing: Precisely measures pH levels from 0.00 to 14.00, helping detect contamination from sources like garbage disposal, untreated septic tanks, agricultural irrigation, and industrial pollution that can adversely affect water quality. · IP65 Waterproof & Moisture-Proof: The robust waterproof design allows the device to withstand accidental drops into water or solutions, ensuring continuous and reliable measurements after quick recovery. · Over-Range Alarm Indicator: The LCD screen turns red when the pH value falls below 3.5 or exceeds 12.5, alerting users to the presence of strong acids or bases in the tested liquid for enhanced safety. · Automatic Temperature Compensation: Automatically adjusts readings based on solution temperature (0℃ to 70℃), ensuring precise and stable pH measurements regardless of environmental conditions. · LCD HD Color Display: Features a clear, non-blinding color screen that displays pH value, water salinity, and temperature data, providing easy readability even in low-light or nighttime environments. · Convenient USB Lithium Direct Charging: Equipped with a rechargeable 3.7V lithium battery supporting multiple charging methods via USB, offering flexibility and long-lasting use. · Wide Application Range: Ideal for testing water quality in drinking water, beverages, vinegar, alkaline substances, and more, making it suitable for home, laboratory, agricultural, and industrial uses. Specifications: · Material: ABS · pH Measurement Range: 0.00–14.00 pH · Measurement Accuracy: ±0.05 pH · Instrument Repeatability: ±0.03 · Solution Temperature Compensation Range: 0℃–70℃ · Temperature Accuracy: ±1℃ · Solution Temperature Range: 0℃–60℃ · Power Supply: 3.7V lithium battery (USB rechargeable) · Display: Color LCD screen · Operating Temperature: 0℃–50℃ · Operating Humidity: ≤85% RH · Item Dimensions: 180 x 45 x 25 mm (7.08 x 1.77 x 0.98 in) · Package Weight: 255 g (8.99 oz) · Package Size: 22 x 9.3 x 5.4 cm (9.66 x 3.66 x 2.12 in) Package Includes: · 1 x pH Meter · 6 x pH Calibration Powder Packs (pH 4.00, 6.86, 9.18; 2 packs each) · 1 x USB Charging Cable · 1 x Cloth Bag · 1 x User Manual (English) This pen-type pH meter combines precision, durability, and ease of use, making it an essential tool for anyone needing reliable water quality testing. Its waterproof design, clear color display, and smart features ensure accurate readings and user-friendly operation in various environments.