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| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TPJ-20-LG |
| Instrument Type | Thermo-Hygrometer |
| Temperature Range | −40 °C to 120 °C (±0.4 °C accuracy, 0.1 °C resolution) |
| Relative Humidity Range | 0–100 %RH (±3 %RH accuracy, 0.1 %RH resolution) |
| Dew Point Range | −40 °C to 120 °C (±0.4 °C accuracy, 0.1 °C resolution) |
| Internal Storage | 30,000 records (Flash) + optional 4 GB microSD card |
| Communication | 2G/4G cellular network |
| Power Supply | 7.4 V / 2.8 Ah Li-ion battery (with low-voltage warning & charging protection), optional 8.4 V DC input |
| GPS | Integrated GNSS module for geotagged logging |
| Sensor Expansion | Up to 32 channels via IP67-rated hub |
| Data Upload Interval | Configurable from 5 minutes to 99 hours |
| Operating Current | 10 mA (standby), variable under active sensing |
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