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  • China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor
  • China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor
  • China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor
  • China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor
  • China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor
  • China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor
China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor
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China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor

  • 1 - 99 Pieces
    $50
  • 100 - 499 Pieces
    $45
  • >= 500 Pieces
    $33

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
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China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Real-Time Soil Nutrient Analysis: Measures Nitrogen (N), Phosphorus (P), and Potassium (K) levels in soil through stainless steel prongs, enabling precise fertilization decisions.
  • Versatile Data Output: Supports RS485, 4-20mA, and LoRa communication protocols for seamless integration with agricultural monitoring systems, IoT platforms, or remote data logging.

Key features

  • 1. Corrosion-Resistant Metal Prongs for Durable Soil Testing

    • Material Technology: With stainless steel prongs treated for corrosion resistance, the sensor maintains accuracy and longevity even in harsh soil conditions.

  • 2. Versatile Communication Protocols for Seamless Integration

    • Interactive Design: Equipped with RS485, 4-20mA, and LoRa signal outputs, the sensor integrates easily into existing systems, from IoT networks to traditional data loggers.

  • 3. Wide Power Compatibility for Flexible Deployment

    • Performance Parameters: Operate reliably with a DC 3.3-24V power supply, enabling use in diverse environments—from home gardens to remote commercial farms.

  • 4. Dual-Use Design for Home and Commercial Applications

    • Scenario Solutions: Ideal for both small-scale gardening (quick nutrient checks) and large-scale agriculture (continuous monitoring via LoRa wireless connectivity).

  • 5. Industry-Standard Compliance for Reliable Performance

    • Certification Standards: Built to meet agricultural sensor quality benchmarks, ensuring precise NPK measurements for informed crop management*

Product details

China supplier soil npk sensor soiling sensors Smart Soil NPK Sensor

The Soil NPK Sensor is a robust environmental monitoring tool designed to measure soil nutrient levels (Nitrogen, Phosphorus, Potassium) with precision. Its durable construction, versatile connectivity options, and customizable outputs make it ideal for agricultural, horticultural, and industrial applications.

Technical specifications

FeatureSpecificationBenefit
MaterialDurable black plastic body, stainless steel prongsCorrosion resistance and long-term durability
Communication InterfaceRS485, 4-20mA, LoRa (Pro Model)Compatibility with diverse data systems
Power SupplyDC 5-24V or 3.3-5VUniversal compatibility with power sources
Measurement RangeN: 0-20%, P: 0-5%, K: 0-5% (adjustable)Precision for tailored fertilization plans
DisplayBlue label with white textClear readability for quick data reference

Customization guide

Adjustable parameters include:

  • Output Protocol: Choose between RS485, 4-20mA, or LoRa (Pro Model) to match existing systems.
  • Power Input: Select voltage range (DC 5-24V or 3.3-5V) based on power supply availability.
  • Measurement Sensitivity: Calibrate thresholds for specific crop nutrient requirements.

Get inspired

With the Soil NPK Sensor, farmers and researchers can optimize crop yields by analyzing soil nutrient deficiencies in real time. Pair it with smart irrigation systems or IoT platforms for automated fertilization.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Communication ProtocolsRS485RS485 + 4-20mARS485 + 4-20mA + LoRa
Accuracy±3%±2%±1%
Operating Temp Range-10°C to 60°C-20°C to 70°C-30°C to 80°C
Wireless OptionN/AN/ALoRa (2km range)

Supplier's note

  1. Technical Breakthroughs:

    • Corrosion-Resistant Prongs: Stainless steel probes ensure accuracy in harsh soil conditions.
    • Dual-Power Flexibility: 20% wider voltage compatibility than traditional sensors.
    • LoRa Integration: The Pro Model’s long-range wireless capability (2km) enables remote monitoring without physical access.

  2. Version Selection Guidance:

    • Base Model: Ideal for small farms or labs with existing RS485 infrastructure.
    • Advanced Model: Best for industrial growers needing 4-20mA compatibility for PLC systems.
    • Pro Model: Perfect for large-scale agriculture or remote fields requiring wireless data transmission.

With LoRa connectivity, Pro users can monitor nutrient levels in real time across vast farmlands. The Advanced Model’s 4-20mA output pairs seamlessly with industrial control systems, ensuring precise fertilization. Choose the Base Model for straightforward RS485 setups where wireless isn’t required.

Frequently asked questions

  • Which Soil NPK Sensor model is best for small farms with limited space?

  • How do I clean the metal prongs of the Soil NPK Sensor after soil testing?

  • Stainless Steel vs. Plastic Prongs: Which is better for long-term soil testing?

  • Can the Soil NPK Sensor’s output protocol be customized (RS485 vs. LoRa)?

  • Is the Soil NPK Sensor’s material certified for outdoor durability?

  • Does the Soil NPK Sensor support multiple voltage inputs for flexible power solutions?

  • How does the RS485 output enhance soil monitoring systems?

  • How accurate are the NPK measurements in varying soil types?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Measurement AccuracyPrecision farming, scientific researchIndustry: ±5% error (ISO 11465) → Base: ±3% (▲) → Advanced: ±2% (▲▲)Base improves accuracy over industry (▲); Advanced ensures lab-grade precision (▲▲)Advanced requires regular recalibration (▲▲)
Communication ProtocolsRemote monitoring systemsIndustry: RS485 → Base: RS485 + 4-20mA (▲) → Advanced: RS485 + 4-20mA + LoRa (▲▲)Base adds analog signal compatibility (▲); Advanced enables wireless (▲▲)LoRa may face interference in urban areas (▲▲)
Power Supply FlexibilityDiverse field conditionsIndustry: DC 12V → Base: DC 5–24V (▲▲) → Advanced: DC 3.3–5V + low power draw (▲▲▲)Works with solar/battery setups (▲▲); Advanced reduces energy consumption (▲▲▲)Requires external power source (▲▲▲)
Environmental ResistanceHarsh outdoor useIndustry: IP65 → Base: IP67 (▲) → Advanced: IP68 (▲▲)Base resists dust/water ingress (▲); Advanced withstands submersion (▲▲)Advanced models may be bulkier (▲▲)
Calibration FrequencyLong-term soil monitoringIndustry: Monthly → Base: Quarterly (▲) → Advanced: Auto-calibration (▲▲)Base cuts maintenance by 75% (▲); Advanced eliminates manual calibration (▲▲)Auto-calibration needs firmware updates (▲▲)
Data Transmission RangeLarge farms/rugged terrainsIndustry: Wired only → Base: 1,200m (RS485) → Advanced: 15km (LoRa) (▲▲▲)Advanced enables wireless coverage across vast areas (▲▲▲)Wired systems limit mobility (▲▲▲)

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