Explore high-quality waterproof portable meters for reliable water and laboratory analysis at Najem Alshahab. Built for durability and precision, these meters accurately measure pH, conductivity, TDS, ORP, dissolved oxygen, and temperature. Ideal for field testing, environmental monitoring, research, and industrial water quality applications, they perform consistently even in demandin... https://najemalshahab.com/product-category/instrument-for-water-laboratory-analysis/portable-meters/waterproof-portable-meters/