HANNA Marine Low Range Nitrate Checker HC-HI781
The HI781 is designed specifically to measure low levels of nitrate in a saltwater aquarium.
The HI781 is designed specifically to measure low levels of nitrate in a saltwater aquarium.
The 0.00 to 5.00 ppm (mg/L) range is ideal for saltwater, reef aquarium maintenance.
Like professional instrumentation that use a light source, filter, and light sensing detector, the Hanna Marine Nitrate Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.
- Compact, Portable Design
- Built-in Timer
- Saltwater Compatible
Nitrate is a by-product of the Nitrogen cycle. Excessive amounts of Nitrates in a reef aquarium can promote the growth of undesirable organisms including algae and dinoflagellates while insufficient amounts can lead to starvation in which SPS and other corals will show signs including the loss of colour and paleness.
The HI781 Nitrate Checker HC is a handheld colourimeter that uses the Beer-Lambert principle to determine the concentration of nitrate colourimetrically.
The HI781 is designed specifically to measure low levels of nitrate in a saltwater aquarium.
The 0.00 to 5.00 ppm (mg/L) range is ideal for reef aquarium maintenance.
Designed as a more accurate alternative to chemical test kits, the HI781 provides quick, accurate results in four easy steps:
The Checker HC is simple to use
- 'Zero' the Checker HC as required in specific procedure
- Add reagent to your water sample
- Place the vial into your Checker HC
- Press the button and read the results
Features:
- Easier to use and more accurate than chemical test kits
- Dedicated to a single parameter
- Small size, big convenience
- Ideal for: Aquaculture & Aquariums, Water Quality
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Specifications: |
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Nitrate Range |
0.00 to 5.00 ppm (as NO3–) |
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Nitrate Resolution |
0.01 ppm |
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Nitrate Accuracy |
±0.25 ppm ±2% of reading @ 25 °C (77 °F) |
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Nitrate Method |
colourimetric method. The reaction between nitrate and the reagent causes a pink/violet tint in the sample. This checker has been developed to work with seawater samples. |
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Photometer/colourimeter Light Source |
Light Emitting Diode @ 525 nm |
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Photometer/colourimeter Light Detector |
Silicon photocell |
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Battery Type/Life |
1.5V AAA Alkaline |
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Automatic Shut-Off |
After 10 minutes of non-use |
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Environment |
0 to 50 °C (32 to 122 °F); max. 95% RH non-condensing |
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Weight |
64 g (2.3 oz) |
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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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Ordering Information |
HI781 Checker HC is supplied with sample cuvettes with caps (2), nitrate reagent starter kit (reagents for 25 tests), filter holder, 10 mL syringe, 5 mL syringe with tip, mixing vial with cap, battery, and instructions. |
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Notes |
Nitrite and Copper present will interfere with the measurement. |
