The HI707 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure nitrite. As an intermediate part of the nitrogen cycle, nitrites are present in a variety of sources, from drinking water to industrial water. Due to the harmful effects to the environment and aquatic life, nitrite levels must be closely monitored. Designed as a more accurate alternative to chemical test kits, the HI707 provides quick, accurate results in a few easy steps.
- Easier to use and more accurate than chemical test kits
- Dedicated to a single parameter
- Small size, big convenience
- Ideal for: Water Quality, Environmental, Education, Aquaculture, Boiling and Cooling Towers
Range 0 to 600 ppb NO₂-N Resolution 1 ppb Accuracy @ 25°C/77°F ±20 ppb ±5% of reading Light Source LED @ 470 nm Light Detector silicon photocell Method adaptation of the EPA Diazotization method 354.1 Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing Battery Type (1) 1.5V AAA Auto-off after ten minutes of non-use Dimensions 81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5”) Weight 64 g (2.25 oz.) Ordering Information HI707 Checker® is supplied with (2) sample cuvettes with caps, nitrite LR reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide. Warranty 1 year limited warranty