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The HI 708 Checker®HC is a simple, accurate, and cost effective way to measure high ranges of nitrite. Designed as a more accurate alternative to chemical test kits, the HI 708 provides quick, accurate results in four easy steps.
The HI 708 uses an adaptation of the Ferrous Sulfate method. The reaction between nitrite and the reagent causes a greenish/brown tint in the sample.
Order Information: The HI 708 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (6 packets of reagent), 1 X 1.5X AAA battery, and an instruction manual.
Product Manuals
Manual: Download
Specification :
| Range | 0 to 150 ppm | |
| Resolution | 1 ppm | |
| Accuracy (@25°C/77°F) | ±3 ppm ±5% of reading | |
| Measurement Method | Colorimetric | |
| Light Source | Photodiode @575 nm | |
| Light Detector | Silicon photocell | |
| Method | Adaptation of the Ferrous Sulfate method. The reaction between nitrite and the reagent causes a greenish/brown tint in the sample. | |
| 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.) |
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