Multifunctional 4 in 1 acidity Meter with high precisions electrode sensors accurately measure acidity ( 0-14), temperature, replacing multiple single function devices ABS construction ensures good in harsh environment, while the small size design enables easy portability for testing Features automatic temperature compensation and replaceable electrodes, lab grade accuracy with minimal maintenance for consistent result Essential for aquaculture experts, laboratory technicians, and home users pools, hydroponic systems, or drinking water for outdoor field testing, industrial site inspections, and household water check requiring multiparameter analysis, Manufacturer: RGYBAO