HI-775-11 CALIBRATION CHECKING SET FOR THE HI-775 FRESHWATER ALKALINITY CHECKER

The Freshwater Alkalinity Checker HC® Calibration Check Set – HI-775-11 provides a simple solution to validating the Freshwater Alkalinity Checker® HC – HI-775 that has a range of 0 to 500 ppm CaCO3. This high-quality set of standards comes supplied with a Certificate of Analysis.
 Standard value of 100 +/- 10 ppm CaCO3 @ 25°C