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| Brand | EXPEC (Puyu Technology) |
|---|---|
| Origin | Zhejiang, China |
| Model | EXPEC 4720 |
| Instrument Type | Heavy Metal Contaminant Analyzer for Soil |
| Detection Principle | Energy-Dispersive X-ray Fluorescence (EDXRF) |
| Weight (incl. battery) | 1.5 kg |
| Operating Temperature Range | −10 °C to 50 °C |
| Ingress Protection Rating | IP54 |
| Detection Speed | ~10 s per measurement |
| Detection Limit | Sub-ppm to ppm level for key heavy metals (e.g., Pb, As, Cd, Cr, Hg, Ni, Cu, Zn) |
| Sample Preparation | None required (direct in-situ analysis) |
| Software Platform | Android-based embedded OS with customizable environmental enforcement modules |
| Moisture Compensation | Integrated real-time soil moisture correction algorithm |
| Elemental Coverage | ≥40 elements including heavy metals and regulated toxic elements |
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