HI 739 Checker®HC Handheld Colorimeter – Fluoride High Range  Easier to use and more accurate than chemical test kits     SPADNS method ±0.5 ppm ± 5% of reading accuracy Large, easy to read digits Auto shut off Dedicated to a single parameter     Designed to work with HANNA’s reagents Uses 10 mL glass cuvettes Small size, big convenience     Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the ... Read More »

HI 711 Checker®HC Handheld Colorimeter – Total Chlorine Easier to use and more accurate than chemical test kits     EPA approved DPD method ±0.03 ppm ±3% of reading accuracy 0.01 ppm resolution, 350 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     The Checker®HC easily fits into the palm ... Read More »

HI 701 Checker®HC Handheld Colorimeter – Free Chlorine Easier to use and more accurate than chemical test kits     EPA approved DPD method ±0.03 ppm ±3% of reading accuracy 0.01 ppm resolution, 250 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     The Checker®HC easily fits into the palm ... Read More »

HI 723 Checker®HC Handheld Colorimeter – Chromium VI High Range Easier to use and more accurate than chemical test kits     Diphenylcarbohydrazide method Accuracy ±5 ppb ±5% of reading 1 ppb (µg/L) resolution 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 g (2.25 oz.), the ... Read More »

HI 717 Checker®HC Handheld Colorimeter – Phosphate High Range Easier to use and more accurate than chemical test kits     Amino acid method ±1.0 ppm ±5% of reading accuracy Large, easy to read digits Auto shut off Dedicated to a single parameter     Designed to work with HANNA’s reagents Uses 10 mL glass cuvettes Small size, big convenience     Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the ... Read More »

HI 726 Checker®HC Handheld Colorimeter – Nickel High Range Easier to use and more accurate than chemical test kits     Photometric method ±0.10 g/L ±5% of reading accuracy 0.01 g/L resolution (700 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 g (2.25 oz.), the ... Read More »

HI 775 Checker®HC Handheld Colorimeter – Alkalinity for Fresh Water The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity in fresh water.  Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.  1.) Step One – Add a sample to the included cuvette(s) 2.) Step ... Read More »

HI 716 Checker®HC Handheld Colorimeter – Bromine The HI 716 Checker®HC is a simple, accurate, and cost effective way to measure Bromine.  Designed as a more accurate alternative to chemical test kits, the HI 716 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 ... Read More »

HI 715 Checker®HC Handheld Colorimeter – Ammonia Medium Range The HI 715 Checker®HC is a simple, accurate, and cost effective way to measure medium ranges of ammonia in fresh water.  Designed as a more accurate alternative to chemical test kits, the HI 715 provides quick, accurate results in four easy steps. 1.) Step One – Add a sample to the included cuvette(s) 2.) ... Read More »

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 »