HI720-11 is a high-quality set of calibration standards that allows users to validate the Calcium Hardness Checker® HC - HI720. The HI720-11 includes one sealed cuvette for zero ppm CaCO3 and one cuvette that is tinted to an equivalent 1.50 ± 0.25 ppm CaCO3 sample @ 25oC. 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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| Package | cuvette |
|---|---|
| Quantity | 1 set |
| Certificate of Analysis | Yes |
