- -7.9%
- -7.9%
- 9 en stock
You will like also
- 1 en stock
- 2 en stock
Why measure nitrate concentrations in an aquarium?
Nitrates develop from fish droppings and food scraps. They strongly promote the proliferation and growth of algae and cause stress to fish at a relatively high concentration.
Optimal content: less than 10 mg/L
Above 50 mg/L, it is recommended to partially replace the water with tap water low in nitrates (also to be measured before addition!)
Presentation
HI781 comes with 2 measuring cuvettes and their caps, reagents for 25 nitrate tests, 25 filter papers, 1 filter holder, 1 mixing bottle with cap, 1 5 mL syringe with tip, 1 10 mL syringe, 1 graduated syringe of 1 mL, 1 plastic filler pipette, 1 16 gauge blunt needle and battery.
The strong points
- Attractive price
- Quality, fast and accurate measurements
- Very easy to use (1 key)
- Lightweight and compact, fits in any pocket
- Measurements in accordance with approved methods
- Large reading screen
- Robust and practical
Video presentation
Technical data
| Specifications | HI781 |
| Range | 0.50 to 5.00 mg/L (NO3-N) 5.0 to 50.0 mg/L (calculated) with dilution |
| Resolution | 0.01mg/L |
| Accuracy (at 25°C) | ±0.25mg/L ±2% of reading ±2.5 mg/L ± 5% of calculated reading with dilution |
| Method | Colorimetric method |
| Light source | 525nm LED |
| Light detector | Silicon photocell |
| Battery / Self-extinguishing | 1 x 1.5 V AAA / After 10 minutes of non-use |
| Dimensions / Weight | 86 x 61 x 37.5mm / 64g |
Reviews about this product
-
Federici s.
Published Oct 25, 2024 at 03:18 pm (Order date: Oct 17, 2024)Top (Translated review)
Hanna Instruments - Mini Nitrate Checker Photometer, Narrow Range - HI781
Mini-photometer Checker HC nitrates allows the measurement of nitrates in seawater from 0.50 to 50 mg/L with an accuracy of ± 0.25 mg/L.