




Description:
The RS485 Soil NPK Sensor is compact, easy to carry, simple to install, operate, and maintain, and convenient to use. High measurement accuracy and sensitivity, and reliable performance ensure proper operation. Can test soil temperature, moisture, and electrical conductivity.
High Precision Soil NPK Sensor is Widely used in water-saving agricultural irrigation, greenhouses, soil testing, scientific experiments, sewage treatment and other fields.
Specification:
- Supply Voltage: 4-20mA: 12~30V DC, RS485:4.5-30V
- Working Temperature: -40°C~60°C
- Conductivity Range:
4-20mA:
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- Range: 10000uS/cm
- Resolution: 10uS/cm
- Accuracy: ±3
485:
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- Range: 0-20000uS/cm
- Resolution: 10uS/cm
- Accuracy: ±3%FS in the range of 0-10000uS/cm; ±5%FS in the range of 10000-20000uS/cm (brown soil, 60%RH, 25°C
- Soil Moisture Range:
- Range: 0-100% RH
- Resolution: 0.1% RH
- Accuracy: 0-50% ±2%RH, @(brown soil, 30%RH, 25°C) 50-100% ±3%RH, @(brown soil, 60%RH, 25°C
- Conductivity Temperature Compensation: Built-in temperature compensation sensor, compensation range 0-50
- Protection level: IP68 can be immersed in water for long-term use
- Probe Material: Anti-corrosion special electrode
- Sealing Material: Black flame-retardant epoxy resin
- Installation Method: Fully buried or probe inserted into the measured medium
- Cable Length: 2m
- Overall Dimensions: 45*15*123mm
- Electrode length: 70mm
- Measurement Principle: Soil Moisture TDR Method
- Measurement Method: Soil in situ inserted or immersed in culture solution/water
- Applicable Scenarios:
- Grassland pasture | Rapid soil testing | Plant cultivation | Sewage treatment | Precision agriculture, etc.
- Soil moisture monitoring | Scientific experiments | Water-saving irrigation | Greenhouses | Flowers and vegetables

Features:
- The RS485 Soil NPK Sensor offers real-time data on Nitrogen (N), Phosphorus (P), Potassium (K) and pH levels in the soil, providing a comprehensive overview of soil health.
- Built with robust materials, the sensor probe is designed to withstand harsh environmental conditions, guaranteeing longevity and reliability in the field.
- Enjoy a stable and reliable connection with the RS485 communication protocol, ensuring seamless integration into your agricultural systems.
- The sensor probe is designed for easy installation, allowing farmers to set up and start monitoring their soil conditions with minimal effort.

Package Included:
1 x RS485 Soil NPK Sensor