Description The OndaVia Analysis System with the Cyclohexylamine Analysis Kit provides a fast, easy CHA measurement. Whether used to control amine dosing or as a wastewater monitoring system, an OndaVia Analysis Systems provide fast, easy-to-understand CHA measurements. In contrast to the alternative of laboratory analysis, an OndaVia system gives you the on-site results needed for an immediate response. Cartridges are supplied ten (10) per box.