3S Online Colorimetric Analyser. Explore 3S
Product updates, application notes and practical guidance for 3S online colorimetric analysis in water and industrial treatment.

Compare portable and laboratory colorimeters with installed online colorimetric analysers, including how each works and when each approach is appropriate.
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Calibration, validation and cleaning are essential parts of online wet-chemistry analysis. The 3S allows all three routines to be programmed at selectable intervals.
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Online colorimetric analysers automate established wet-chemistry methods by measuring the sample, adding reagents, developing the reaction and converting the optical response into a reported concentration.
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