Features: Multifunctional 4 in 1 acidity Meter with high precisions electrode sensors accurately measure acidity (0-14), temperature, and TDS, replacing multiple single function devices. ABS construction ensures good performances in harsh environment, while the small size design enables easy portability for testing. Essential for aquaculture experts, laboratory technicians, and home users monitoring pools, hydroponic systems, or drinking water safety. Optimized for outdoor field testing, industrial site inspections, and household water quality check requiring multiparameter analysis. Features automatic temperature compensation and replaceable electrodes, delivering lab grade accuracy with minimal maintenance for consistent result. Specifications: Material: ABS acidity measurement ranges 0-14 Temperature measurement ranges 0-50°C Conductivity measurement ranges 0-1999μs/cm TDS measurement ranges 0-9999ppm 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.