Free Chlorine Calibration Check - HI701-11
HI701-11 is a high-quality set of calibration standards that allows users to validate the Free Chlorine Checker®HC - HI701. The HI701-11 includes one sealed cuvette for zero ppm free chlorine and one cuvette that is tinted to an equivalent 1.00 +/- 0.05 ppm 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.
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