HI701-11 is a high-quality set of calibration standards that allows users to validate the Free Chlorine Checker. The calibration check set 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. 


  • Supplied with Certificate of Analysis
  • Reusable with long shelf life stability

Calibration Check Set for Free Chlorine Checker

SKU: HI 701-11

    28 Vaughan Road

    Welland, ON, L3B 5Y1

    Mon-Thurs 9-5, Fri 9-4:30

    Closed Sat & Sun

    © 2019 Water Concepts


    P: 905-788-1784

    F: 905-788-3456

    *Phone is regularly monitored after-hours