Description
The Hanna HI719 Magnesium Hardness Checker HC (Handheld Colorimeter) is a compact, portable photometer that provides simple, accurate, and affordable digital measurements of magnesium hardness (as CaCO₃) in freshwater samples. This Hanna HI719 Magnesium Hardness Checker HC outperforms traditional chemical test kits by delivering direct results without subjective color matching
| Specification | Detail |
|---|---|
| SKU | HI719 |
| Range | 0.00 to 2.00 ppm |
| Resolution | 0.01 ppm |
| Accuracy @ 25°C (77°F) | ± 0.20 ppm ± 5% of reading |
| Light Source | LED @ 525 nm |
| Light Detector | silicon photocell |
| Method | adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, EDTA colorimetric method. The reaction between magnesium and reagents causes a reddish-violet tint in the sample |
| Battery Type | (1) 1.5V AAA |
| Auto shut-off | after ten minutes of non-use |
| Environment | 0 to 50°C (32 to 122°F) RH max 95% non-condensing |
| Dimensions | 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.) |
| Weight | 64 g (2.3 oz) |
| Ordering Information | HI719 Checker®HC is supplied with sample cuvettes with caps (2), magnesium hardness reagent starter kit (reagents for 25 tests), syringes with tips (2), plastic beaker, battery, instructions and quick start guide. |
| Reagent Set | HI719-25 (25 tests) |
| Calibration Check | HI719-11 |
| Warranty | 1 year |
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