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| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | MD 110 COD / MD 200 COD |
| Optical Wavelengths | 610 nm & 430 nm |
| Compliance | ISO 15705:2002 |
| Display | Large backlit LCD |
| Housing | IP65-rated waterproof enclosure |
| Power Supply | AC adapter or rechargeable battery (MD 200 only) |
| COD Range (with VARIO reagents) | 3–15,000 mg/L O₂ |
| Reagent Format | Pre-filled, sealed COD VARIO test tubes |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | WD325 |
| Temperature Range | 60–200°C (adjustable) |
| Temperature Accuracy | ±2°C at 150°C |
| Timer Range | 1–999 min (with continuous mode) |
| Heating Block | Single aluminum block |
| Display | 4-digit LED |
| Power Supply | 220 V, 50 Hz |
| Operating Environment | 10–50°C |
| Safety Features | Visual over-temperature warning ≥70°C |
| Programmable Memory | 3 user-defined temperature/time profiles |
| Compliance | Designed to meet USEPA Method 410.4 requirements for COD digestion |
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