"The Surface Scatter 7 sc High Range Turbidimeter offers superior performance across a measurement range of 0 to 9999 NTU. The Hach Surface Scatter 7 sc Turbidimeter (SS7) is the original non-contact turbidimeter. This design minimizes sensitivity loss due to high turbidity samples; in fluids with high loads of suspended solids the design makes sample cell cleaning and replacement unnecessary. All wetted parts of the instrument are made with corrosion-resistant materials for extended life. The photo detector and light source assemblies are protected from the effects of corrosive vapors and heated samples. For high temperature applications, the Surface Scatter 7sc HST is designed to monitor samples with temperatures of up to 70°C. Its innovative moist air removal system is useful where a difference between the sample temperature and the ambient temperature causes condensation and fogging."

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