Calcium Hardness Checker® HC - HI720
The HI720 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure calcium. Designed as a more accurate alternative to chemical test kits, the HI720 provides quick, accurate results in four easy steps.
Specifications
Hardness, Calcium Range |
0.00 to 2.70 ppm |
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Resolution |
0.01 ppm |
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Accuracy |
±5% of reading ± 0.20 ppm |
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Method |
Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Calmagite method. The reaction between calcium and reagents causes a reddish-violet tint in the sample. |
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Battery Type |
1.5V AAA / 10,000 hours of continuous use |
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Environment |
0 to 50°C (32 to 122°F); RH max 95% non-condensing |
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Auto-off |
after ten minutes of non-use |
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Photometer/Colorimeter Light Source |
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Photometer/Colorimeter Light Detector |
silicon photocell |
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Dimensions |
86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”) |
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Weight |
64 g (2.3 oz) |
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Ordering information |
HI720 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (6 packets of reagent), 1 X 1.5X AAA battery, and an instruction manual. |