Parameter requirements:
1. Soil temperature: measurement range: -20°C -80°C, temperature resolution:0.1°C,
temperature accuracy:±0.5°C
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Soil moisture: humidity measurement range: 0-100%, resolution: 0.1%, measurement accuracy ±3%, unit% RH resolution: 1mg/kg (mg/l)
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Soil salinity: Range: 0-10000us/cm, Resolution: 1us/cm, Accuracy ±3% Full scale
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Soil pH range: 3-9PH, accuracy: ±0.3PH
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Range of soil nitrogen, phosphorus, and potassium: 0-1999mg/kg, resolution: 1mg/kg.
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Technical Specifications |
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| Working power supply | 12V DC, 2500mA.h (standard) |
| Display method | 2.8 inch LCD display |
| Communication methods | USB (read, see DB9 interface instructions for details) |
| data storage | 4MB storage (standard) |
| working temperature | -20°C ~ 50°C |
| Working humidity | 0~90% (relative humidity), no condensation |
| Communication protocol | Modbus serial communication protocol |
| Charging time | < 4H |
| Accessible devices | 1-8 Modbus devices |
| Size | 125 × 65 × 45mm |
| weight | 500g |
