HI762-11 is a high-quality set of calibration standards that allows users to validate the Free Chlorine Ultra Low Range Checker®
HC – HI762. The HI762-11 includes one sealed cuvette for zero ppb free chlorine and one cuvette that is tinted to an equivalent 200 ±15 ppb free chlorine sample @ 25°
C. The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.
The HI727-11 is supplied with Certificate of Analysis