Description Alkalinity Handheld Instrument – Alkalinity Level Testing in Freshwater The Hanna HI-775 Alkalinity Checker for fresh water is a simple, accurate and cost effective way to measure alkalinity in fresh water. Designed as a more accurate alternative to chemical test kits, it is easy to use with single button operation and a large LCD display. This mini tester also features auto shut-off to ensure a longer battery life. The HI-775 is ideal for checking water quality, great for educational and environmental applications and for use in freshwater aquaria. Designed as a more accurate alternative to chemical test kits, the HI-775 provides quick, accurate results in four easy steps. (See below). The HI-775 uses a colorimetric method. The reaction causes a distinctive range of colours from yellow to blue to develop. This meter has been developed to work with fresh water samples. Please note: Any chlorine present in the sample will interfere with the reading. To remove the chlorine interference add one drop of HI-93755-53 Chlorine Remover to the unreacted sample prior to testing. Features: 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 Ideal for: Water Quality Education Freshwater Aquarium/Ponds Environmental Order Information: The HI-775 Checker®HC is supplied with 2 cuvettes and caps, alkalinity reagent kit for 25 tests (HI-775-26), 1 x1.5V AAA battery, and an instruction manual.
