The HI98309 Ultra Pure Water (UPW) Tester is designed to precisely monitor extremely low conductivity levels (0.000 to 1.999 µS/cm), making it ideal for electronics, semiconductor, and laboratory-grade water testing. This factory-calibrated, pocket-sized device features a graphite electrode to minimize polarization errors and an exposed temperature sensor for rapid, temperature-compensated results. Built for rugged environments, it provides fast, reliable contamination detection in high-purity water. Accurate, dependable, and compact, this is a must-have for critical water quality assurance. Now available in Pakistan at Kamadi, your trusted supplier for advanced water testing instruments and industrial lab solutions.