HI-701-11 CAL CHECK STANDARDS FOR HI-701 FREE CHLORINE CHECKER
The Free Chlorine Checker HC® Calibration Check Set – HI-701-11 provides a simple solution to validating the Free Chlorine Checker® HC – HI-701 in the range of 0.00 to 2.50 ppm (mg/L).
Standard value of 1.00 +/- 0.05 ppm free chlorine @ 25°C












