Industrial Soil Sensor NPK pH EC Moisture Factory Suppliers in China

Get professional STR-801 soil sensors from leading China factory suppliers. Measure pH, EC, temperature, humidity, and NPK levels with IP68 waterproof precision for smart agriculture and horticulture.

Product Details

Product Details

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Product Details

Our professional-grade Soil Sensor provides a comprehensive solution for precision agriculture and environmental monitoring. Engineered for durability and high precision, this multi-parameter sensor allows for the real-time tracking of critical soil health indicators, including moisture, temperature, electrical conductivity, and NPK levels, ensuring optimal soil conditions for sustainable crop growth.

By integrating high-performance sensing technology with a robust IP68 waterproof design, this sensor delivers laboratory-grade accuracy in the harshest field environments. Whether you are managing large-scale commercial farms or conducting scientific environmental research, our soil monitoring system provides the actionable data needed to optimize irrigation, fertilization, and overall land management.

Detailed Parameters

Temperature Range-30~70℃ Moisture Range0~100%
Conductivity Range0~2000/10000/20000us/cm pH Range3~10
NPK Range0~1999mg/kg Measurement Accuracy±0.2°℃; ±2%; ±3%(mg/kg)
Resolution0.1℃; 0.1%; 1μs/cm; 0.01; 1mg/kg Supply Voltage5~24V DC
CommunicationModBus-RTU (RS485) Protection GradeIP68 Waterproof

Key Advantages

Industrial Durability

Featuring IP68 waterproof rating and black flame retardant epoxy resin sealing for maximum protection.

Real-time Monitoring

Rapid response time and high stability for continuous soil health data collection.

Multi-Parameter Sensing

Single sensor tracks temperature, moisture, conductivity, pH, and NPK levels simultaneously.

Standardized Output

Utilizes ModBus-RTU via RS485 for seamless integration with PLC and IoT gateways.

High Precision

Professional-grade accuracy ensures reliable data for precise fertilizer application.

Customizable Length

Default 2m cable provided with fully customizable lengths to fit your site layout.

Product Gallery

Management Platforms

Remote Data Hub

Centralized monitoring of multiple soil sensors across different geographic zones.

Smart Irrigation Sync

Automatic triggering of irrigation systems based on real-time moisture thresholds.

Nutrient Alerts

Instant notifications when NPK levels drop below the optimal growth range.

Precision Mapping

Generate spatial soil health maps to identify underperforming field areas.

Data Analytics

Long-term trend analysis to optimize seasonal planting and fertilizer cycles.

ModBus Integration

Direct communication with industrial SCADA and PLC systems for automation.

Investment Return Comparison

MetricTraditional Manual TestingSmart Soil Sensor System
Labor CostHigh (Manual Sampling)Very Low (Automated)
Data FrequencyWeekly/MonthlyReal-time / Every Minute
Resource WasteHigh (Over-fertilization)Minimized (Precision Dosing)
Response SpeedDays (Lab results)Instant (Live Dashboard)
Crop YieldBaseline15% - 30% Increase

Frequently Asked Questions

Q: What is the lifespan of the soil sensor in highly acidic soil?

Our sensors are sealed with black flame retardant epoxy resin and designed for pH ranges of 3-10, ensuring high corrosion resistance and long-term stability in acidic environments.

Q: Can the sensor be integrated with a wireless LoRaWAN gateway?

Yes, the sensor uses the ModBus-RTU RS485 protocol, which is natively compatible with most RS485-to-LoRaWAN or RS485-to-4G converters.

Q: How accurate are the NPK readings compared to lab tests?

The sensor provides a measurement accuracy of ±3%(mg/kg), offering a reliable real-time approximation that significantly reduces the need for frequent laboratory sampling.

Q: Is the sensor suitable for greenhouse hydroponics?

Absolutely. Its ability to measure conductivity, pH, and temperature makes it ideal for monitoring the nutrient solutions used in hydroponic and soilless cultivation.

Q: What is the maximum cable length for the RS485 output?

Standard RS485 supports long-distance transmission. While we provide a default 2m cable, the signal can typically travel up to 1200 meters with appropriate twisted-pair cabling.

Q: Does the sensor require frequent calibration?

The sensor is pre-calibrated at the factory. Due to the stable nature of its sensing elements, it requires minimal calibration over its operational lifespan.

Ready to Optimize Your Soil Management?

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FAQS

What's the MOQ?

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1set sample is available.

What's your price?

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We quoted based on your products’ code and qty. We can offer different discount depending on qty.

I am not sure of the required product type, how to get quotation?

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Please tell us the details of your project: Measuring range, temperature, pressure, If need relay control output, 4-20mA or Modbus RS485 output? We will choose suitable product type as per your project details and make quotation for you.

How long is your delivery time?

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Most of our products are in stock. Generally, we can delivery to you within 2-3 working days. The big order’s delivery time will be determined according to the type and quantity of products ordered.

What’s your term of payment?

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We accept T/T, Paypal, Western Union, Alipay, credit card, wechat and other suitable payment.
                  
       
                

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