

HI775 Freshwater Alkalinity Checker
- Including 21% Tax: $93.66
- Excluding VAT: $77.41
- Gratis verzending in Nederland vanaf €50,-*
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The HI775 Checker is a compact digital photometer for measuring alkalinity (KH) in freshwater. It has a range of 0 to 500 ppm CaCO3 and a resolution of 1 ppm.
With its compact size, one-button operation and easy-to-read LCD display, the HI775 is simple to use. The measurement is shown digitally, making the result quick and easy to read.
The HI775 is suitable for measuring alkalinity in freshwater aquariums and other freshwater applications. The automatic shut-off after 10 minutes helps save battery power.
Technical specifications
| Application | Freshwater |
| Range | 0 to 500 ppm CaCO3 |
| Resolution | 1 ppm |
| Accuracy | ±5 ppm ±5% of reading |
| Light source | LED at 610 nm |
| Light detector | Silicon photocell |
| Method | Colorimetric method |
| Environment | 0 to 50 °C, max. 95% RH, non-condensing |
| Battery | 1 x 1.5 V AAA |
| Auto-off | After 10 minutes of inactivity |
| Dimensions | 86.0 x 61.0 x 37.5 mm |
| Weight | 64 g |
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