The suspended solids indicator is state of the art, easy to use meter that provides many benefits to the plant operations staff. It is unique system that combines advanced electronics with a solid-state, optical sensor. It is a multi-range indicator designed for the measurement of suspended solids in aqucous solutions. The microprocessor-based electronics of the indicator provide a high degree of flexibility and ease of use. Data logging and the ability to download the data directly to a computer are optional features.