HI-711-11 0.00 and 1.00 ppm standards (Total Cl2)

The Total Chlorine Checker� HC Calibration Check Set � HI-711-11 provides a simple solution to validating the Total Chlorine Checker� HC � HI-711 in the range of 0.00 to 3.50 ppm (mg/L). This high-quality set of standards comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date for traceability when certifying the Checker� HC.