Hanna Checker®HC Nitrate colorimeter, LR (NO3)

  • Udsalg
  • Normalpris 545,00 kr
Inklusiv moms. Levering beregnes ved betaling.



Hanna Checker - Nitrate (NO3) Colorimeter


The HI781 Nitrate Checker HC 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