| Hach DR300 Pocket Colorimeters |
| • | Fast, accurate and highly portable | | • | Large backlit display | | • | Waterproof IP67 construction |
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| Easy-to-use DR300 colorimeters are the industry standard for colorimetric measurement. They’re lightweight and battery operated—great for extended field work or on-the-spot process monitoring. |
| DR300 colorimeters feature Hach’s tried and true optics, a familiar keypad, and a large backlit display—all packaged in an ergonomic housing. They’re easy to use: just zero the instrument with a blank, insert your reacted sample and read the results. Meters store 50 time-stamped measurements for later recall. |
| The impact-resistant, IP67-rated housing makes these colorimeters perfect for use in harsh conditions. They even float if dropped in the water. The backlit LCD display lets you see test results and low-battery notification in any light. Battery life is up to 5000 measurements. |
| Includes: sample cells, carrying case, four AAA batteries and instructions. 1-year warranty. |
| Reagents not included; order separately. |
| Click on stock #s to view prices. |
| PARAMETER | METHOD | RANGE (mg/L) | EPA COMPLIANT* | STOCK # | | Ammonia | Salicylate | 0.01 to 0.80 | No | 87903 | | | | Free Ammonia & Monochloramine | Indophenol | 0.02 to 0.50 (free ammonia); 0.04 to 4.50 (monochloramine) | No | 87902 | | | | Chlorine (free & total) | DPD | 0.02 to 2.00; 0.1 to 8.0 | Yes (DW, WW†) | 87890 | | | | Chlorine (free & total) | DPD | 0.05 to 4.00; 0.1 to 10 | Yes (DW, WW†) | 87908 | | | | Chlorine & pH | DPD/Phenol Red | 0.0 to 10.0; 6.0 to 8.5 pH | No | 87897 | | | | Chlorine Dioxide | Glycine | 0.05 to 5.00 | Yes (DW) | 87905 | | | | Iron | FerroVer | 0.02 to 3.00 | Yes (WW) | 87900 | | | | Iron | TPTZ | 0.01 to 1.70 | No | 87899 | | | | Manganese | Periodate Oxidation | 0.2 to 20.0 | Yes (WW) | 87898 | | | | Molybdenum | Ternary Complex | 0.02 to 3.00; 0.1 to 12.0 | No | 87896 | | | | Nitrate | Cadmium Reduction | 0.40 to 30.00 | No | 87891 | | | | Dissolved Oxygen | HRDO | 0.20 to 10.00 | No | 87892 | | | | Ozone | Indigo Trisulfonate | 0.01 to 0.25; 0.01 to 0.75 | No | 87893 | | | | Phosphate | Ascorbic Acid | 0.02 to 3.00 | Yes (WW) | 87894 | | | | Zinc | Zincon | 0.02 to 3.00 | Yes (WW‡) | 87895 | | | | *DW = Drinking Water; WW = Wastewater | | †Total Chlorine Only | | ‡Requires Digestion |
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