The Total Chlorine Ultra Low-Range Checker® HC Calibration Check Set – HI761-11 provides a simple solution to validating the Total Chlorine Ultra Low-Range Checker® HC – HI761 that has a range of 0 to 500 ppb. 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.
- Supplied with Certificate of Analysis
- Standard value of 200 ±15 ppb total chlorine @ 25℃
- Reusable with long shelf life stability









