The HI97701-11 Free and Total Chlorine CAL CheckTM standards provides a simple solution to calibrating and validating the HI97701 Free Chlorine Photometer that has a 0.00 to 5.00 mg/L (ppm) range. 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 HI97701 photometer.
- Supplied with Certificate of Analysis
- Standard value of 1.00 ±0.03 mg/L (ppm) free and total chlorine @ 25°C
- Reusable with long shelf life stability