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Soil Moisture Sensor
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Product Description Functional Features Technical Parameters Application Scenarios
Product Description
RU-S31-S601
This device utilizes the FDR (Frequency Domain Reflectometry) principle to measure soil moisture content across different layers by analyzing frequency variations of electromagnetic waves emitted by the sensor in materials with varying dielectric coefficients. It simultaneously employs a high-precision digital temperature sensor to monitor soil temperature at each layer.
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Functional Features
  • Integrated Design
    Tubular integrated structure supporting layered measurement for convenient multi-layer data acquisition
  • Corrosion Resistance
    Anti-aging design with enhanced resistance to acids, alkalis, and salts in soil
  • High Accuracy
    Reliable performance minimally affected by soil type, suitable for diverse soil conditions
  • Low Power Consumption
    Compact, portable, and easy to operate/maintain
  • User-Friendly
    No calibration, on-site adjustment, or lifetime maintenance required
  • Minimal Invasiveness
    Installation causes negligible soil disturbance, preserving environmental integrity
Technical Parameters
Product Features
Detailed Parameter
  • Soil moisture measurement range
    Dry soil to saturated moisture
  • Accuracy
    Better than ±2% (single-point calibration); Better than ±4% (calibration-free)
  • Resolution
    0.1%
  • Angular range
    360°
  • Angular accuracy
    0.05°
  • Angular resolution
    0.01°
  • Temperature accuracy
    ±0.5℃
  • Temperature resolution
    0.1℃
  • Communication modes
    4G full-network compatibility (China Telecom supports 4G only) or RS485 interface
  • Hardware interfaces
    RS485 interface, solar charging interface
  • Power supply
    Li-SOCl₂ battery: 60-month operation with 2-hour collection/reporting cycles
  • Operating environment
    -20°C to +85°C, 0–100%RH
  • Protection rating
    IP68
Application Scenarios
Urban Safety
IoT Urban Safety Sensing System The Ruhr IoT Urban Safety Sensing System is a comprehensive framework based on IoT, sensor networks, big data analytics, and AI. Focusing on Environmental Monitoring, Infrastructure Monitoring, Industrial Safety Monitoring, and Community Safety Monitoring in urban. Building a unified urban safety management system: intelligent sensing - early warning - refined governance - real-time command - decision-making Enhancing urban safety risk prevention and control capabilities
Geo-Hazards
Ruhr IOT has long been dedicated to the field of geological disaster monitoring. Leveraging its expertise in hardware and software, the company deploys universal monitoring devices, integrates regional risk prediction with real-time monitoring and early warning technologies for key indicators of individual entities to predict potential destruction of hazard -prone body and its consequences.
Open-Pit Mines
Reservoir
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