HI784-11 Marine Ammonia Calibration Check Set for HI784

Certified standards kit for the HI784 Marine Ammonia Checker HC by Hanna Instruments. Use to easily calibrate and test proper functionality of your Hanna Colorimeter. The kit includes one sealed cuvette with a zero-ammonia value and one cuvette that is tinted to a standard ammonia value at 25°C.Pre-tinted standard valueSupplied with Certificate of AnalysisReusable with a long shelf-lifeLabeled with product code, lot number, and expiration date for quality assurance