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| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | TW-PQX7 |
| Instrument Type | Portable Weather Station |
| Wind Speed Range | 0–60 m/s (±0.1 m/s + 0.01V) |
| Wind Direction Range | 0–360° (±2°) |
| Air Temperature Range | −40–80 °C (±0.3 °C at 25 °C) |
| Relative Humidity Range | 0–100 %RH (±3 %RH within 20–80 %RH) |
| Atmospheric Pressure Range | 300–1100 hPa (±0.25 %) |
| Illuminance Range | 0–157286 lux (<±3 %) |
| Optical Rainfall Rate Range | 0–4 mm/min (≤±4 %) |
| Data Storage Capacity | ≥500,000 records |
| Power Consumption | 1.75 W |
| Battery | 12,000 mAh Li-ion, ≥32 h runtime |
| Total Weight | ≤5 kg |
| Deployment Time | ≤2 min (single operator) |
| IP Rating | ≥IP65 |
| Sensor Housing Material | Imported ABS (salt-fog resistant) |
| Display | 7-inch Android touchscreen |
| Mounting | Adjustable aluminum telescopic mast |
| Enclosure | Shock-absorbing pull-handle case |
| Brand | Tianwei Environment (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TW-BF1 |
| Instrument Category | Portable/Short-Term Meteorological Station |
| Spectral Range | 280–3000 nm |
| Response Time (95%) | 13 s |
| Zero Offset (Thermal Radiation) | ±10 W/m² |
| Zero Offset (Temperature Variation) | ±3 W/m² |
| Nonlinearity | ±1% |
| Stability (Annual Sensitivity Drift) | ±2% |
| Directional (Cosine) Response Error | ≤±5% at 30° solar elevation |
| Spectral Error | ±3% |
| Temperature Response (−10 to +40 °C) | ±3% |
| Tilt Error | ±1% |
| Sensitivity | 7–14 µV/(W·m⁻²) |
| Internal Resistance | ≤800 Ω |
| Operating Temperature | −40 to +85 °C |
| Operating Humidity | 5–90% RH |
| Power Consumption | 1.75 W |
| Rechargeable Lithium Battery | 12,000 mAh, ≥50 h runtime with battery level indication |
| Data Storage Capacity | ≥500,000 records |
| Deployment Time | ≤2 minutes by single operator |
| Weight | ≤5 kg |
| Communication Interfaces | GPRS, Bluetooth 5.0, RS-485-to-USB converter |
| Compliance | ISO 9060:2018 (Class C, First Class), WMO CIMO Guide (2022), GB/T 19565–2017 |
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