The Silica High-Range Checker® HC Calibration Check Set - HI770-11 provides a simple solution to validating the Silica High-Range Checker® HC - HI770 that has a range of 0 to 200 ppm. 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 for traceability when certifying the Checker® HC.
