Features: Achieve laboratory grade accuracy with this high precisions acidity meter featuring advanced temperature compensation technology, delivering ±0.01 acidity resolution and double measurement of acidity values from 0.00 14.00 and temperatures from 0 80°C. The portable acidity tester combines a corrosions resistant ABS body with automatic calibration (1 3 points) and large backlit LCD display, ensuring clear readings in harsh environments while maintaining pocket sized convenience. Ideal for hydroponic farmers, laboratory technicians, and aquarium enthusiasts requiring professional water quality analysis during field tests or industrial processes. Perfect for monitoring nutrient solution in greenhouse cultivation, maintaining optimal conditions in fish tanks, or conducting chemical experiments in educational/research facilities. Engineered with IP67 waterproof construction and 2000+ hour sensors lifespans, this multiparameter meter includes replaceable electrodes and low battery indicators for sustained performances in demanding applications. Specifications: Component: ABS. Size:Approx.75mm/2.95''x55mm/2.16''x28mm/1.1'' Ranges:acidity 0.00 ~ 14.00, Temporary -50°~70°C (-58°~158°F). Analysis: Acid and base 0.01. Temporary 0.1°C (0.2°F). Accuracy: acid and alkali ±0.1. Temporary ±1.0°C (±2.0°F). Socket Type:EU Temperature compensation: 0°C ~ 50°C. Package Includes: 1Set Acidity Meter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.