Soil Heavy Metal Analyzer
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| Brand | COMECAUSE |
|---|---|
| Model | IN-ZS300 |
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Category | Domestic (PRC) |
| Power Supply | AC 220 ± 22 V / DC 12 V + 5 V (built-in 4800 mAh Li-ion battery) |
| Power Consumption | ≤ 5 W |
| Optical Channels | 4 fixed solid-state cuvette modules |
| Wavelengths | Red 680 ± 2 nm, Blue 420 ± 2 nm, Green 510 ± 2 nm, Orange 590 ± 4 nm |
| Display | 7.0″ color LCD, 1024 × 600 resolution |
| Operating System | Android 5.1, quad-core CPU ≥ 1.8 GHz, 16 GB internal storage |
| GPS Module | Integrated real-time geotagging |
| Data Connectivity | Wi-Fi, dual USB ports, thermal printer (no ribbon required) |
| IP Rating | IP65 |
| Battery Life | Up to 10 hours continuous operation |
| Repeatability Error | ≤ 0.03% (K₂Cr₂O₇ solution) |
| Stability | Drift < 0.3% in 1 h (transmittance), < 0.001 absorbance units in 2 h |
| Linearity Error | ≤ 0.1% (CuSO₄ solution) |
| Sensitivity | Red ≥ 4.5 × 10⁻⁵, Blue ≥ 3.17 × 10⁻³, Green ≥ 2.35 × 10⁻³, Orange ≥ 2.13 × 10⁻³ |
| Sample Throughput | Pb, As, Cr, Cd, Hg: ~60 min total (incl. extraction & reagent prep) |
| Fe, Zn, Cu | ~30 min |
| Mn | ~40 min |
| Detection Targets | Pb, As, Cr, Cd, Hg, Ni, Al, F, Ti, Se, Fe, Zn, Mn, Cu in soil, fertilizer, food, vegetables, and fruit |
| Compliance | Meets functional requirements for field-deployable spectrophotometric heavy metal screening per ASTM D7574-22 (Standard Guide for Field Screening of Metals in Soils Using Portable XRF and Colorimetric Methods), supports GLP-aligned data traceability (time-stamped, GPS-tagged, user-authenticated records) |
| Brand | COMECAUSE |
|---|---|
| Model | IN-ZS300 |
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Detection Principle | Multi-Wavelength Reflectance-Based Colorimetry (4-channel fixed optical path) |
| Target Elements | Pb, As, Cr, Cd, Hg, Ni, Al, F, Ti, Se, Fe, Zn, Mn, Cu |
| Sample Matrix | Soil, Fertilizer, Food, Vegetables, Fruits |
| Analysis Time (Full Workflow) | ~60 min for Pb/As/Cr/Cd/Hg panel (incl. extraction & reagent prep) |
| Power Supply | AC 220 V ±10% / DC 12 V + 5 V (4800 mAh Li-ion battery, ≥10 h runtime) |
| Display | 7.0" TFT-LCD, 1024×600 resolution, dual-language UI (EN/CN) |
| Data Connectivity | Wi-Fi, USB ×2, thermal printer, GPS geotagging, cloud upload to dedicated agricultural data platform |
| Compliance | IP65 ingress protection, CE-marked electrical safety, software registered under China Copyright Protection Center (No. 2023SRXXXXXX) |
| Operating System | Android 5.1, quad-core CPU ≥1.8 GHz, 16 GB internal storage |
| Optical Sources | 4 stabilized LEDs (680±2 nm red, 420±2 nm blue, 510±2 nm green, 590±4 nm orange), >100,000 h lifetime |
| Photometric Stability | Drift ≤0.3% (transmittance) within 1 h |
| Dimensions | 470 × 340 × 210 mm (L×W×H) |
| Brand | Horde Electric |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | XRF-SL1 |
| Price | ¥118,000 |
| Instrument Type | Handheld |
| Detection Principle | X-Ray Fluorescence Spectrometry (XRF) |
| Operating Temperature | −20 °C to 50 °C |
| Brand | HORDE Electric |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | XRF-ST1 |
| Product Type | Handheld |
| Detection Principle | Energy-Dispersive X-Ray Fluorescence (EDXRF) |
| Brand | Tianyan (Shandong Tianyan Instrument Co., Ltd.) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Manufacture | China |
| Model | TY-ZSD |
| Detection Principles | Colorimetric Spectrophotometry (Visible Range, 400–700 nm) |
| Measurement Method | Digestion + Reagent-Based Chromogenic Reaction + Absorbance Quantification per Lambert-Beer Law |
| Supported Elements | Pb, As, Cr(VI), Cd, Hg, Ni, Al, F, Ti, Se, Fe, Zn, Mn, Cu |
| Optical Accuracy | ±0.5% Transmittance |
| Repeatability | ≤±0.05% |
| Drift Stability | <0.001 AU/30 min (after 5-min warm-up) |
| Linearity Error | ≤0.2% (verified with CuSO₄ standard) |
| Power Consumption | ≤5 W |
| Input Power | AC 220 V / 50 Hz or DC 12 V |
| Output | Built-in thermal printer (auto-printing of results) |
| Sample Throughput | ~8–12 samples/hour (including digestion prep) |
| Compliance Standards | GB/T 5009.11–2003, GB/T 5009.12–2003, GB/T 5009.15–2003, GB/T 5009.17–2003, GB/T 5009.123–2003 |