

Description:
The Soil Moisture Sensor RS485 SNPK is a high-precision sensor designed for real-time soil monitoring. Featuring RS485 Modbus RTU communication, it ensures reliable long-distance data transmission up to 1200 meters. Built with a durable stainless steel probe and IP68 waterproof rating, this sensor delivers accurate soil moisture readings even in harsh agricultural environments. Ideal for precision farming, greenhouse automation, and smart irrigation systems, it operates on 12-24V DC and provides fast, stable measurements with ±2% accuracy.
Specification:
- Supply Voltage: 4-20mA: 12~30V DC, RS485:4.5-30V
- Working Temperature: -40°C~60°C
- Conductivity Range:
4-20mA:
-
- Range: 10000uS/cm
- Resolution: 10uS/cm
- Accuracy: ±3
485:
-
- 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:
- Real-time Monitoring: Get instant, accurate data on soil water content and temperature.
- Durable & Waterproof: IP68-rated design ensures reliability in harsh outdoor environments.
- Long-Distance Communication: RS485 interface allows for stable data transmission over long distances.
- Standard Protocol: Modbus RTU protocol ensures easy integration with existing automation systems.
- Enhanced Farm Automation: Ideal for precision agriculture, smart irrigation, and environmental monitoring.

Package Included:
1 x RS485 Soil Moisture Sensor