Ensure the performance of your HI781 Low Range Nitrate Checker with the HI781-11 Low Range Nitrate Calibration Check Set. Each kit includes two cuvettes, one cuvette for zeroing the checker, and then another cuvette with a certified standard reference solution.This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date to provide traceability when certifying the Checker.
1x 0ppm Sample Cuvette
1x Testing Standard Sample Cuvette
1x Certificate of Analysis