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| Brand | Tianhe (Shandong Tianhe Instrument Co., Ltd.) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Model | TH-GD1 |
| Spectral Range | 280–3000 nm |
| Filter Channels | 10 discrete bands (340, 380, 440, 500, 670, 870, 940, 1020, 1640 nm + UV-A broadband 280–300 nm) |
| FWHM | 2 nm @ 340 nm |
| Field of View | ≤1.3° (full angle) |
| Tracking Accuracy | <0.1° (active sun-sensor mode) |
| Data Resolution | 1 s minimum integration time |
| Calibration Uncertainty | <2% (traceable to national meteorological standards per JJG 458-1996) |
| Power Supply | DC 12 V (with auto-switching green power management module) or AC 220 V |
| Operating Temperature | −40 °C to +55 °C (low-temp variant) |
| IP Rating | IP66 |
| Weight | 6 kg |
| Dimensions | 235 × 181 × 310 mm (W×D×H) |
| Communication | RS485 (Modbus RTU), 4G LTE, Bluetooth 5.0 |
| Onboard GNSS | Integrated high-precision GPS/GNSS module for time synchronization and georeferencing |
| Payload Capacity | 17 kg |
| Azimuth/Elevation Range | 0–350° / 0–120° |
| Max Tracking Speed | 4.5°/s |
| Torque | 12 N·m |
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