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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 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 Checker®HC 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.
Specification:
Range | 0 to 300 ppm | |
Resolution | 1 ppm | |
Accuracy (@25°C/77°F) | ±5ppm ± 5% of reading | |
Measurement Method | Colorimetric | |
Light Source | Photodiode @610 nm | |
Light Detector | Silicon photocell | |
Method | Colorimetric method. The reaction causes a distinctive range of colors from yellow to green to blue to develop. This meter has been developed to work with fresh water samples. | |
Power Supply | Battery - 1 x 1.5V AAA | |
Power Auto Off | After 10 min. of inactivity | |
Environment | 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.) |