The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually.
Nitrate is the final step in the Nitrogen cycle. Excessive amounts of nitrates in saltwater aquariums facilitate the growth of undesirable organisms such as algae and dinoflagellates. The HI782 Nitrate Checker HC is a simple, accurate, and cost-effective way to measure nitrate from 0.0 up to 75.0 ppm (as NO3–) in your saltwater aquarium.
Using the Zinc Reduction method, a no filter process, The HI782 Nitrate Checker HC measures the concentration of nitrate colormetrically. Hanna Instruments Checker HC provides quick results in four easy steps:
The HI782 was designed to quickly and easily measure nitrate levels for aquarist with higher-than-average nutrient levels. This includes saltwater aquariums that are fish-only or have corals that can tolerate elevated levels of nitrate at 30 ppm or more.
Very low levels of nitrate are critical for many saltwater reef aquariums, as nitrate can cause damage and possible death to certain delicate corals and invertebrates. For this reason, the HI781 offers unmatched precision in the measurement of very low levels of nitrate (0.00 to 5.00 ppm). For freshwater samples, Hanna Instruments recommends using the HI97728 Nitrate Portable Photometer.
| SKU | HI782 |
|---|---|
| Product Name | Marine Nitrate High Range Checker HC – HI782 |
| Quote Required | Yes |
| Nitrate Range | 0.0 to 75.0 ppm (as NO3–) |
| Nitrate Resolution | 0.1 ppm |
| Nitrate Accuracy | ±2.0 ppm ±5% of reading |
| Nitrate Method | Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. This checker has been developed to work with seawater samples. |
| Photometer/Colorimeter Light Source | LED @ 525 nm |
| Photometer/Colorimeter Light Detector | silicon photocell |
| Battery Type/Life | 1.5V AAA |
| Automatic Shut-Off | after 10 minutes of non-use |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing |
| Weight | 64 g (2.3 oz.) |
| Dimensions | 86.0 mm x 61.0 mm x 37.5mm (3.2 x 2.4 x 1.5”) |
| Ordering Information | HI782 Checker HC is supplied with sample cuvettes with caps (2), marine nitrate starter kit (reagents for 10 tests), 3 mL Pasteur pipette (1), 1.5V AAA battery (1), and instruction manual. |
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