Calibration standard for HI701 Checker

The Free Chlorine Checker HC® Calibration Check Set – HI-701-11 provides a simple solution to validating the Free Chlorine Checker® HC – HI-701 in the range of 0.00 to 2.50 ppm (mg/L).  Standard value of 1.00 +/- 0.05 ppm free chlorine @ 25°C HI-701-11 is a high-quality set of calibration standards that allows users to validate the Free Chlorine Checker® HC – HI-701. The HI-701-11 includes one sealed cuvette for zero ppm free chlorine and one cuvette that is tinted to an equivalent 1.00 +/- 0.05 ppm free chlorine sample @ 25°C. This high-quality set of standards is supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date to provide traceability when certifying the Checker® HC.