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| Article number: | HI720 |
| Availability: | In stock (1) |
The HI720 Checker photometer for Calcium Hardness LR is a digital pocket photometer for measuring the calcium hardness in water. To be used during field research near saltwater areas, but also in saltwater aquariums. Prevent phosphate formation in salt water thanks to the highly accurate HI736 Checker photometer for Phosphor ULR (Ultra Low Range)
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Measuring range |
0 to 200 ppb |
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Precision |
± 5% of the reading value |
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Resolution |
1 ppb |
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Light source |
LED at 525 nm |
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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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food |
1 battery of 1.5 V type AAA |
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Measurements and weight |
81.5 x 61 x 37.5 mm / 64 g |
