HI-721 High Range Iron Handheld Colorimeter – Checker®HC
About 6.3% of the earth’s crust is made of iron with 43% of this amount held in the soil. As a result, iron is naturally present in most water supplies.
Left in the water, iron will not only stain pipework and swimming pool surfaces, or poison aquatic life, it will also affect the water taste and cause problems with animal feed lines.
Testing should therefore form an important part of any water monitoring process – particularly if you are checking your pool, watching the quality of water in your fish tank, or needing to monitor water run-off.
Key features of HI-721
- Accurate and easy to use
- Phenanthroline method
- Accuracy ±0.04 mg/L (ppm)
- 0.01 mg/L (ppm) resolution
- Designed to work with Hanna reagents
- Large easy to read digits
- Auto shut-off
- Fits into the palm of your hand
Specifications
| Range | 0.00 to 5.00 ppm (mg/L) | |
| Resolution | 0.01 ppm (mg/L) | |
| Precision | 2% of reading ±0.04 ppm (mg/L) @ 25°C | |
| Light Source | LED @ 525 nm | |
| Light Detector | Silicon photocell | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Battery Type | (1) 1.5V AAA | |
| Auto-off | After 2 minutes of non-use and after reading | |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) | |
| Weight | 64 g (2.25 oz.) | |
| Method | Adaptation of EPA Phenantroline method 315B, for natural and treated waters. |
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