Low Range Nitrite Checker HC

Product Highlights

  • Simple and cost effective way to measures low ranges of nitrite
  • Produce accurate results

About This Item

Low Range Nitrite Checker HC for Freshwater:

  • The HI 707 Low Range Nitrite Checker HC is a simple, accurate, and cost effective way to measure low ranges of nitrite.
  • Small palm-sized design
  • Accurate from ±20 ppb ± 5% of reading
  • Dedicated to a single parameter
  • Uses a single AAA battery
  • Auto Power Off after 10 minutes in inactivity
  • Built-in timer for timed reaction readings

The HI 707 uses an adaptation of EPA diazotization method 354.1. The reaction between nitrite and the reagent causes a pink tint in the sample.

 Designed as a more accurate alternative to chemical test kits, the HI 707 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…- Press and hold the button for 3 seconds for a time reaction reading


  • Water Quality
  • Education
  • Freshwater Aquariums
  • Wastewater
  • Environmental

Order Information:The HI 707 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (6 packets of nitrite LR reagent), 1 x 1.5V AAA battery, and an instruction manual.