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Hanna Instruments

Hanna Checker®HC Nitrate Low Range (NO3) HI-781

Hanna Checker®HC Nitrate Low Range (NO3) HI-781

Ordinarie pris €89,90 EUR
Ordinarie pris Försäljningspris €89,90 EUR
Rea Slutsåld
Skatt ingår. Frakt beräknas i kassan.
Omassa varastossa: 1 kpl (jos tuotetta ei ole omassa varastossa, toimitusaika 1-2 viikkoa)

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Hanna Checker - Nitrate LR (NO3) Colorimeter

The HI781 Nitrate Checker LR by Hanna Instruments is a simple and accurate handheld colorimeter that uses the Beer-Lambert principle to determine nitrate concentration.

The HI781`s low range of 0.00 - 5.00 makes it ideal for measuring the low nitrate levels found in saltwater aquariums. 

 Why are Nitrate levels important?

Excess nitrates in a reef system can lead to an overgrowth of undesirable algae and dinoflagellates. Alternatively, not enough nitrates can lead to starvation for SPS and other corals.


  • Low range is ideal for saltwater aquariums
  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Simple one-button operation
  • Digital read out for added convenience


  • Range:  0.00 to 5.00 pm (m/L) NO3
  • Resolution:  0.01 pH
  • Accuracy @ 25°C/77°F:   ±0.25ppm ±2% of reading
  • Light Source:   LED @ 525 nm
  • Light Detector:  silicon photocell
  • Method:  Zinc reduction method
  • Auto-off:   after ten minutes of non-use
  • Environment:   0 to 50°C (32 to 122°F); RH max 95% non-condensing
  • Battery Type:   (1) 1.5V AAA
  • Ordering Information:  HI-781 Checker HC is supplied with sample cuvettes with caps (2), reagent starter set, battery, and instructions
  • Accessories purchased separately:   HI-781-25 Reagent set for approx. 25 tests  +  HI-781-11 Calibration set

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