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| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | TPGC-1000 |
| Measurement Principle | Effective Radiative Thermometry |
| Instrument Type | Portable |
| Distance-to-Spot Ratio | 12:1 |
| Adjustable Emissivity Range | 0.1–0.95 |
| Temperature Range | −50 °C to 600 °C (−58 °F to 1112 °F) |
| Accuracy | ±1.5% or ±1.5 °C (whichever is greater) |
| Spectral Response | 8–14 µm |
| Response Time | 500 ms |
| Power Supply | 9 V Alkaline or Ni-Cd Battery |
| Weight | 210 g |
| Optimal Measurement Distance | 60 cm |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TOP-1300 |
| Instrument Principle | Hemispherical Photography (Fisheye Lens-Based Radiative Transfer Modeling) |
| Instrument Type | Portable |
| PAR Spectral Range | 400–700 nm |
| PAR Measurement Range | 0–2000 µmol·m⁻²·s⁻¹ |
| Field of View | 150° (optional 180° fisheye lens) |
| Image Resolution | 768 × 494 pixels |
| Zenith Angle Coverage | 0°–75° (divisible into 10 sectors) |
| Azimuthal Coverage | 360° (divisible into 10 sectors) |
| Power Supply | 7.4 V Li-ion battery pack |
| Interface | USB 2.0 |
| Operating Temperature | 0–55 °C |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TOP-1000 |
| Instrument Principle | Effective Radiation Measurement Method |
| Instrument Type | Portable |
| Spectral Range | 400–700 nm (PAR band) |
| Measurement Range | 0–2700 µmol·m⁻²·s⁻¹ |
| Resolution | 1 µmol·m⁻²·s⁻¹ |
| Spectral Response Error (vs. Canopy) | <10% |
| Accuracy | ±5% ±1 digit (relative to NIM standard) |
| Precision | ±0.5% ±1 digit |
| Long-term Stability | <±2% over 12 months |
| Data Logging Interval | 1–99 minutes (configurable) |
| Max Auto Measurements | 99 |
| Manual/Continuous Mode | Supported |
| Storage | 2 GB SD card (removable) |
| Probe Length | 50 cm |
| Total Unit Length | 75 cm |
| Power Supply | 2 × AA batteries |
| Operating Environment | 0–60 °C, 0–100% RH |
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