Checker HC Handheld Colorimeter - Nitrite

Item #: HI70-
Manufacturer: Hanna Instruments

Product Description

The CheckerHC is a simple, accurate, and cost effective way to measure low ranges of nitrite. Designed as a more accurate alternative to chemical test kits, it provides quick, accurate results in four easy steps.

  1. Step One - Add a sample to the included cuvette(s)
  2. Step Two - Insert sample into the Checker and zero it out
  3. Step Three - Remove sample and add reagent
  4. Step Four Reinsert sample and click the button to measure your results or...
  5. Press and hold the button for 3 seconds for a time reaction reading


  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Small size, big convenience
  • Ideal for: Water Quality, Environmental, Education, Aquaculture, Boiling and Cooling Towers


Resolution 1 ppm
Light Detector Silicon photocell
Method Adaptation of the Ferrous Sulfate method
Environment 0 to 50C (32 to 122F); RH max 95% non-condensing
Battery Type (1) 1.5V AAA
Auto-off After ten minutes of non-use
Dimensions 81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5)
Weight 64 g (2.25 oz.)