
HI-97701-11 CalCheck Kit for Free Chlorine, 0.0 and 1.00 ppm, HI-977 series
HI-97701-11
The HI-97701-11 Free Chlorine Cal Check standards provides a simple solution to calibrating and validating the compatible HI-977 series free chlorine portable photometer that has a 0.00 to 5.00 mg/L (ppm) range. This high quality set of standards is suppl
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CalCheck Kit for Free Chlorine, 0.0 and 1.00 ppm