Congratulations on your purchase of a Barnstead|Thermolyne NANOpure DIamond UV ultrapure water sys-tem. This water purification system is designed to providelow TOC, high resistivity, reagent grade water thatexceeds ASTM Type I, CAP and NCCLS Type I stan-dards. It uses a four-stage deionization process combinedwith a UV lamp, and a 0.2 micron filter to polish suitablefeed water (distilled, deionized, or reverse osmosis) toproduce low TOC (<3.0 ppb) water with a resistivity of upto 18.2 megohm-cm. Water resistivity is continuouslymonitored by a resistivity cell and displayed on a digitaldisplay.The electronics can be verified and calibrated utilizing aN.I.S.T. Traceable Calibration module. See accessoryordering information.Please read the instructions carefully to ensure that youreceive maximum benefit from the NANOpure DIamondUV. Also, please fill out and return the enclosed warrantyregistration card as it will help us assure you of properwarranty coverage.General UsageDo not use this product for anything other than its intend-ed usage.5Introduction