Coal Stack Analyzers
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| Brand | Sundy |
|---|---|
| Model | SDLM1250 |
| Origin | Hunan, China |
| Type | Fixed-mount 3D LiDAR-based coal stockpile volume measurement system |
| Measurement Range | 250 m |
| Scan Angle | 360° horizontal, ±30° vertical (typical) |
| Accuracy | <0.3% relative error |
| Measurement Time per Stack | ≤20 min (for up to 100,000 m³ pile, coverage area 280 × 60 m) |
| Data Acquisition Interval | ≥10 ms |
| Response Time | ≤20 s |
| Operating Temperature | −40 °C to +70 °C |
| Power Supply | 24 V DC ±15% |
| Total Power Consumption | 36 W (scanner), 140 W (heating unit) |
| Ingress Protection | IP67 |
| Mounting | Integrated with stacker-reclaimer or bucket-wheel stacker via rigid mechanical interface |
| Travel Sensor Compatibility | Optional encoder-based linear displacement sensor for synchronized motion compensation |
| Brand | Sundy |
|---|---|
| Model | SDLM300 |
| Origin | Hunan, China |
| Type | Portable 3D Laser-Based Volumetric Measurement System for Bulk Material Stacks |
| Volume Accuracy | ≤1.5% (V < 1000 m³), ≤1.0% (V ≥ 1000 m³) |
| Operating Temperature | −30 °C to +55 °C (laser unit: −30 °C to +60 °C) |
| Battery Life | 4 h (laser rangefinder, single battery), 3 h (rugged tablet, full charge) |
| IP Rating | IP56 |
| Drop Resistance | MIL-STD-810G compliant (tablet) |
| Laser Range | 1900 m (≥10% reflectivity), ±4 cm accuracy (typical target < 400 m) |
| Inclination Measurement | ±85°, ±0.1° resolution |
| Horizontal Angle | 0–360°, ±0.01° resolution |
| Total Unit Weight | ~3.5 kg (varies with tablet/stabilization mount) |
| Compliance | ASTM D6172 (standard practice for volumetric measurement of stockpiles), ISO 11222:2017 (geospatial data quality for volume estimation), GLP-aligned data traceability |