Model 5999/980 Conductivity Validation Unit Operating Instructions

This document provides operating instructions, maintenance procedures, and performance specifications for the ABB Model 5999/980 Conductivity Validation Unit, which includes a 4623-500 conductivity transmitter and a 2278-315 conductivity cell housed in a 2998 flow chamber. It covers setup, sample measurement procedures for validating on-line conductivity systems, shutdown/storage, and cleaning of the flow chamber and cell.