HI-713-11 CAL check standards for HI-713 Phosphate Checker

The Phosphate Low Range Checker? HC Calibration Check Set ? HI-713-11 provides a simple solution to validating the Phosphate Low Range Checker? HC ? HI-713 in the range of 0.00 to 2.50 ppm (mg/L). 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 for traceability when certifying the Checker? HC.