CLEAN water quality analysis instruments are committed to providing the most valuable solutions in the measurement and application of pH/redox potential, dissolved oxygen, conductivity, and residual chlorine. These products come in various forms such as pen, portable, desktop, transmitter, and electrode. CLEAN water quality analysis instruments provide solid service and logistics through the use of the global supply chain CISC system, which includes 3 global customer service centers and our authorized distributors in various regions. CLEAN brand, your wise choice!