HI749 Checker HC ® – Chromium VI, LR
Product code: MX-12350
The HI 749 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of chromium VI in fresh water. Designed as a more accurate alternative to chemical test kits, the HI 749 provides quick, accurate results in four easy steps.
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Product description
The HI749 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure chromium VI. Due to its corrosion-resistant properties, hexavalent chromium plays an important part in the plating industry and cooling towers. However, due to its toxic and carcinogenic nature, chromium 6 must be must be sufficiently treated prior to wastewater discharge. Designed as a more accurate alternative to chemical test kits, the HI749 provides quick, accurate results in a few easy steps.
Specifications
| Range | 0 to 300 ppb |
|---|---|
| Resolution | 1 ppb |
| Accuracy (@25°C/77°F) | ±3 ppb ±5% of reading |
| Measurement Method | Colorimetric |
| Light Source | Photodiode @525 nm |
| Light Detector | Silicon photocell |
| Method | Adaptation of ASTM Manual of Water & Environmental Technology, D1687-92, Diphenylcarbohydrazide method. The reaction between chromium VI and the reagent causes a purple 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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