The Hanna Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time-consuming to calibrate and maintain. The Checker® is both accurate and affordable.
The HI719 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure magnesium hardness. Designed as a more accurate alternative to chemical test kits, the HI719 provides quick, accurate results in four easy steps:
| SKU | HI719 |
|---|---|
| Product Name | Magnesium Hardness Checker® HC - HI719 |
| Quote Required | Yes |
| Hardness, Magnesium Range | 0.00 to 2.00 ppm |
| Hardness, Magnesium Resolution | 0.01 ppm |
| Hardness, Magnesium Accuracy | ±5% of reading ± 0.20 ppm |
| Hardness, Magnesium Method | adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, EDTA colorimetric method. The reaction between magnesium and reagents causes a reddish-violet tint in the sample. |
| Photometer/Colorimeter Light Source | LED @ 525 nm |
| Photometer/Colorimeter Light Detector | silicon photocell |
| Battery Type/Life | (1) 1.5V AAA |
| Automatic Shut-Off | after ten minutes of non-use |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing |
| Weight | 64 g (2.25 oz.) |
| Dimensions | 86.0 mm x 61.0 mm x 37.5 mm (3.4'' x 2.4'' x 1.5'') |
| Ordering Information | HI719 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (50 packets of reagent), 1 X 1.5X AAA battery, and an instruction manual. |
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