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| Brand | Shanda |
|---|---|
| Model | SD-QY04 |
| Type | Manual Core Sampler |
| Origin | Shandong, China |
| Sampling Depth | Up to 2 m |
| Standard Configuration | Four interchangeable coring bits (clay, loam, sand, peat), two 100 cm extension rods, one 50 cm extension rod, T-handle, soil scraper, dual wrenches, 3 m steel tape measure, protective gloves, aluminum carrying case |
| Brand | Shanda |
|---|---|
| Model | SD-SW |
| Instrument Type | Multifunctional Soil Analyzer |
| Display | Large Backlit Chinese LCD |
| Power Supply | Rechargeable Lithium Battery or AC Adapter |
| Dimensions | 204 × 100 × 36 mm |
| Measurement Principle | Frequency Domain Reflectometry (FDR) |
| Soil Volumetric Water Content Range | 0–100% (m³/m³) |
| Accuracy | ±2% (0–50%), ±3% (50–100%) |
| Resolution | 0.1% (moisture), 0.1°C (temperature) |
| Temp. Range | −40 to +120°C |
| Temp. Accuracy | ±0.2°C |
| Response Time | <1 s |
| Stabilization Time | ~10 s |
| Sensing Volume | 90% influence within a 3 cm diameter × 6 cm length cylinder centered on probe |
| Communication | USB 2.0 |
| Data Logging | Manual/Automatic (configurable interval) |
| Optional Connectivity | 4G module for cloud upload to web-based agricultural platform |
| Software | Free PC-based data management suite (Excel export, curve plotting, GLP-compliant audit trail) |
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