HI 708 Checker®HC Handheld Colorimeter – Nitrite HR The HI 708 Checker®HC is a simple, accurate, and cost effective way to measure high ranges of nitrite.  Designed as a more accurate alternative to chemical test kits, the HI 708 provides quick, accurate results in four easy steps.  1.) Step One – Add a sample to the included cuvette(s) 2.) Step Two – ... Read More »

HI 764 Checker®HC Handheld Colorimeter – Nitrite Ultra Low Range Easier to use and more accurate than chemical test kits     Adaptation of EPA Diazotization method ±10 ppb ±4% of reading accuracy 1 ppb resolution (200 points) Large, easy to read digits Auto shut off Dedicated to a single parameter     Designed to work with HANNA’s powder reagents Uses 10 mL glass cuvettes Small size, big convenience     Weighing a mere 64 ... Read More »

HI 707 Checker®HC Handheld Colorimeter – Nitrite Low Range The HI 707 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of nitrite.  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 ... Read More »