Hanna High Range Nitrate Checker


The Hanna High Range Nitrate Checkers is a simple and accurate handheld tool that gives a digital nitrate read out of your saltwater. Nitrates are an important measurement in determining how “dirty” your tank water is an signals when it is time for a water change.

Simple, accurate, and cost-effective way to measure nitrate in your saltwater aquarium.


  • Designed to accurately determine nitrate levels in aquariums
  • Measures with a range up to 75.0ppm
  • Easier to use and more accurate than chemical test kits
  • Large LCD digital read out for added convenience
  • Auto shut-off to assure the battery wont be drained
  • Compact size for easy travel and storage


  • Range: 0.0 to 75.0 ppm (as NO3-)
  • Resolution: 0.1 ppm
  • Precision: ±2 ppm ±5% of reading @ 77°F (25°C)
  • Battery Type: (1) 1.5V AAA
  • Auto-off: After 10 minutes of non-use
  • Dimensions: 86 x 61 x 37.5 mm (3.4 x 2.4 x 1.5″)
  • Weight: 64 g (2.3 oz.)

What’s Included?

  • (1x) HI782 Checker HC
  • (1x) Sample cuvette and (2x) caps
  • (1x) Marine Nitrate High Range Starter Kit (reagents for 10 tests)
  • (1x) 3mL Pasteur pipette
  • (1x) 1.5V AAA Alkaline battery
  • (1x) Instruction manual