4670 Series Turbidity System Emitter/Receiver Module Installation Leaflet

This instruction leaflet provides step-by-step guidance for installing matched emitter and receiver modules into ABB 4670 Series turbidity monitoring systems, covering both low-range (0-30 NTU) and high-range (0-250 NTU) kits. It includes critical notes on keeping the emitter and receiver as a matched pair, proper lens cleaning, insertion orientation, and electrical connection references.