Macherey-Nagel (Germany)
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| Brand | Macherey-Nagel (Germany) |
|---|---|
| Origin | Germany |
| Model | PF-3 919342 |
| Instrument Type | Portable |
| Measurement Principle | UV Absorption Spectrophotometry |
| Wavelength | 365 nm |
| Measurement Range | 2–60,000 mg/L COD |
| Repeatability | High precision |
| Detection Limit | Low (optimized for high-sensitivity UV absorption) |
| Measurement Time | <5 seconds per sample |
| Sample Throughput | Single-sample mode |
| Optical System | LED-based photometer with interference filters (365/450/595 nm) |
| Wavelength Accuracy | ±2 nm |
| Bandwidth (FWHM) | 10–12 nm |
| Detector | Silicon photodiode |
| Cuvette Format | 16 mm round tubes |
| Data Storage | 50 measurement records |
| Display | Graphical LCD (64 × 128 pixels) |
| Operating Temperature | 10–40 °C |
| Relative Humidity | ≤80% RH (non-condensing) |
| Power Supply | 3×AA batteries (alkaline or rechargeable), USB bus power, optional internal rechargeable battery |
| Enclosure Rating | IP68 |
| Dimensions | 170 × 95 × 68 mm |
| Weight | 0.5 kg |
| Compliance | CE-marked |
| Warranty | 12 months |