Ideal for fresh water aquariums (not suitable for salt water marine tanks). 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 of inactivity. Built-in timer for timed reaction readings.
Ideal for:
Water Quality Education
Freshwater Aquarium 
 
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. Also available: HI-775-11 Calibration set.
Four steps. One click. Instant Readout.
Step 1: ‘Zero’ the Checker®HC with your vial & 10ml water sample inside
Step 2: Take the vial out and add your reagent
Step 3: Place your vial into your Checker®HC
Step 4: Press the button and read the results
 
Battery powered – Allows use away from a power source. Batteries are included with all battery operated products. Use HI-775-26 reagents with HI-775 Freshwater Alkalinity Colorimeter - Checker®HC - 25 tests. Use HI-775-11 Calibration Check Sets with HI-775 Freshwater Alkalinity Colorimeter - Checker®HC.