Soil NPK Sensor with RS485 Communication

General Specifications

• Model: Soil NPK RS 485 Sensor
• Type: Multi-parameter Soil Sensor
• Communication Interface: RS 485 (Modbus RTU Protocol)
• Power Supply: DC 5V-12V
• Operating Temperature: -40°C to 85°C
• Humidity Range: 0% to 100% RH
• Dimensions: Varies by manufacturer (typically around 100mm x 50mm x 25mm)

Measurement Parameters

1. NPK (Nitrogen, Phosphorus, Potassium)
   • Measurement Range:
     • Nitrogen: 0-2000 mg/kg
     • Phosphorus: 0-2000 mg/kg
     • Potassium: 0-2000 mg/kg
   • Resolution: 1 mg/kg
   • Accuracy: ±5% of reading
   • Sensing Technology: Electrochemical or Optical depending on the model
2. pH Measurement
   • Measurement Range: 0 to 14 pH
   • Resolution: 0.01 pH
   • Accuracy: ±0.1 pH
   • Calibration: Requires calibration with standard buffer solutions
3. Temperature Measurement
   • Measurement Range: -40°C to 85°C
   • Resolution: 0.1°C
   • Accuracy: ±0.5°C
4. Humidity Measurement
   • Measurement Range: 0% to 100% RH
   • Resolution: 1% RH
   • Accuracy: ±3% RH

Features

• Data Logging: Supports data logging for historical data analysis.
• Real-Time Monitoring: Provides real-time readings for immediate feedback.
• Environmental Protection: Waterproof and dustproof design (IP68 rating).
• Compatibility: Compatible with various agricultural and environmental monitoring systems.
• Calibration: User-friendly calibration process for accurate readings.
• LED Indicators: Status LED for power and communication status.

Physical Specifications

• Housing Material: Durable ABS or PVC
• Weight: Approximately 200g
• Cable Length: The standard cable length is 2 meters; customizable options are available.

Application Areas

• Agriculture: Soil nutrient monitoring for precision farming.
• Environmental Research: Soil analysis for ecological studies.
• Horticulture: Optimizing conditions for plant growth.
• Hydroponics: Managing nutrient levels in soilless systems.

Data Output

• Output Format: RS 485 Modbus RTU protocol; can output data in various formats (e.g., CSV, JSON).
• Sampling Rate: 1 reading per second (adjustable).

Installation and Maintenance

• Installation: Easy installation with a user manual included.
• Maintenance: Regular calibration is recommended; clean sensor electrodes to maintain accuracy.

Soil parameters measuring

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Soil NPK Sensor with RS485 Communication
lahiru Dhananjaya