HACH COMPANY 5600 LINDBERGH DR LOVELAND CO 80538 United State (US) Phone : 970-663-1377 Fax : 970-461-3913 ISO 9001 Certified Systems for Analysis CERTIFICATE OF CONFORMANCE As an ISO 9001 certified company we are expected to meet the most rigorous international quality system standards. The scope of our certification is the design, manufacture, delivery, and service of systems for analysis, including all instruments and chemicals manufactured by Hach Company. This instrument works with other Hach products to provide you with accurate, reliable results. By using Hach’s prepared reagents with Hach methods and instumentation, you will get the best performance from the analysis system. We certify that the commodity descrided herein was tested in accordance with our quality system procedures and, to the best of our knowledge, conforms to publishrd specifications. Test equipment used for the verification of Hach manufactured instruments is calibrated using standards traceable to National Institute of Standards and Technology (NIST) standards. Where such standards do not exist, the basis for calibration is documented. HACH COMPANY Date : 01/05/2020 Product Model Name : 3700 sc (kit) Inductive Conductivity Sensor, Convertible Body Style, Polypropylene Body Material, With Digital Gateway and 1m Extension Cable Catalog Number: D3725E2T (3725E2T, 6120800, 6122400) Serial Number: 2004664925 P.O. # : PO-HACH-20008 Customer Name : BAVITECH CORPORATION 42 TRUONG SON, WARD 2 TAN BINH DISTRICT HO CHI MINH CITY, Vietnam (VN)