Heipu
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| Brand | Heipu |
|---|---|
| Origin | Shandong, China |
| Model | 5B-3BN(V8) |
| Measurement Principle | UV Spectrophotometry |
| Measurement Range | 0.05–80 mg/L (segmented) |
| Accuracy | ±10% |
| Detection Limit | 0.01 mg/L |
| Resolution | 0.001 mg/L |
| Batch Capacity | 15 samples |
| Temperature Control Range | Ambient to 190 °C |
| Digestion Temperature | 122 °C |
| Display | Color LCD |
| Data Storage | 3,000 entries |
| Calibration Curves | 24 (20 preloaded + 4 user-definable) |
| Interface | RS232 serial port |
| Brand | Heipu |
|---|---|
| Origin | Shandong, China |
| Model | SPH620G |
| Digestion Method | Reflux Digestion |
| Heating Module | Single Graphite or Aluminum Block (Optional) |
| Batch Capacity | 20 samples |
| Temperature Range | Ambient to 450 °C |
| Temperature Accuracy | ±0.1 °C |
| Temperature Stability | ±1 °C at 100 °C |
| Digestion Vessel Capacity | 300 mL |
| Sample Load | Up to 5 g solid or 20 mL liquid per vessel |
| Programmable Ramp Segments | Up to 100 segments per method, 100 methods stored |
| Segment Duration Range | 1–999 min |
| Timer Accuracy | ±2 s/h |
| Dimensions (W×L×H) | 400 × 510 × 600 mm |
| Safety Features | Over-temperature alarm, non-ceramic fiber insulation (high-density alumina-silicate + air-gap), acid gas exhaust with activated carbon filtration |
| Compliance | Designed for ASTM D1252, ISO 6060, and EPA 410.4 wastewater COD determination protocols |