The HI97762-11 Free Chlorine Ultra Low Range CAL Check standards provide a simple solution to calibrating and validating the HI97762 free chlorine ultra low range portable photometer. 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 appropriate free chlorine photometer.
- Supplied with Certificate of Analysis
- Standard value of 0.400 ±0.015 mg/L (ppm) free chlorine @ 25℃
- Reusable with long shelf life stability









