Hanna Instruments HI96720
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Description:
Water, with exception to distilled water, contains dissolved salts (magnesium and calcium carbonates). The concentration of these salts determines the water Hardness, which can be expressed in calcium carbonate or magnesium carbonate. The sum of these two represents the total hardness level. In addition, this parameter is also related to the phenomenon of pipe rusting in water heating and cooling systems, reverse osmosis and demineralization plants.
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| Range | 0.00 to 2.70 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ±0.11 mg/L ±5% of reading @ 25°C |
| Light Source | Tungsten lamp |
| Light Detector |
Silicon photocell with narrow band interferencefilter @
525nm
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| Method |
Adaptation of the Standard Methods for the Examination of
Water and Wastewater, 18th ed. Calmagite method.
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| Typical EMC Deviation | ±0.01mg/L |
| Environment | 0 to 50°C (32 to 122°F); max 95% RH non-condensing |
| Battery Type | 1 x 9 volt |
| Auto-Shut off |
After 10′ of non-use in measurement mode; after 1 hour of non-use in calibration mode
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| Dimensions | 192 x 102 x 67 mm (7.6 x 4 x 2.6″) |
| Weight | 290 g (10 oz.). |
