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The HI 775 CheckerHC 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 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 The HI 775 uses a colorimetric method. The reaction causes a distinctive range of colors from yellow to blue to develop. This meter has been developed to work with fresh water samples.. FEATURES/BENEFITS: * Small palm-sized design * Accurate from ±5ppm ± 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 PRIMARY APPLICATIONS: * Water Quality * Education * Freshwater Aquarium * Environmental Order Information: The HI 775 CheckerHC is supplied with 2 cuvettes and caps, reagent starter kit (1 bottle of alkalinity reagent, 1 ml syringe), 1 x1.5V AAA battery, and an instruction manual
FRESH WATER Alkalinity in 0 to 500 ppm
Resolution: 1ppm
Accuracy: ±5ppm ± 5% of reading
Max Temp Range: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) / Weight: 64 g (2.25 oz.)

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