IoT product and technology solution provider

RS485 soil EC sensor for irrigation system

The ZONEWU RS485 integrated three-in-one soil sensor (temperature, humidity, EC) combines soil moisture, temperature, and electrical conductivity detection in a single streamlined device. It offers practical advantages like easy portability for flexible deployment, reliable sealing to resist moisture, dust, and corrosion, and high measurement accuracy for consistent, trustworthy data.
Ideal for professionals needing comprehensive soil parameter monitoring, it suits agriculture (optimizing irrigation/fertilization), horticulture, environmental monitoring, and scientific research. Eliminating the need for separate sensors, it simplifies installation and operation while providing a holistic view of soil conditions to support informed decision-making.
  • Model No.:

    LW501B-EC(RS485)
  • Use:

    Detect soil EC parameters
  • Power Supply:

    5-30V DC
  • Certificates:

    CE,ROHS,FCC,ISO and 11 patents certifications
  • Customized Support:

    OEM, ODM
  • Warranty:

    1 Year
  • Product Detail

RS485 soil EC sensor for irrigation system

 

High-Precision Frequency Domain Soil Moisture Sensor:

The soil moisture and EC (Electrical Conductivity) component is a high-precision, high-sensitivity sensor crafted with high-frequency electronic technology, based on the frequency domain reflectometry (FDR) principle. By measuring the soil dielectric constant, it directly and stably captures the true volumetric moisture content across all soil types—an approach widely recognized as the global gold standard for soil moisture and EC measurement. The sensor integrates a power module, temperature sensing module, transmission module, temperature compensation module, and data processing module, delivering exceptional environmental adaptability for reliable EC and moisture detection in diverse scenarios.


Technical Features of Soil EC Sensor:

·  High Precision & Rapid Response: 

Delivers accurate measurement results and real-time data updates with fast responsiveness to soil conductivity changes.

·  IP68 Sealed & Durable: 

Features top-tier waterproof sealing, corrosion-resistant, suitable for direct burial in soil and reliable long-term use in harsh outdoor conditions.

·  Compact & Easy Installation: 

Lightweight design enables hassle-free setup in tight or remote monitoring locations with minimal soil disturbance.

·  Strong Anti-Interference & Stable Performance: 

Adopts electrical isolation design to resist complex on-site interference, ensuring consistent and reliable operation.

·  Versatile & Efficient: 

Offers seamless interchangeability for easy system integration, and ultra-efficient data transmission, adaptable to various soil monitoring scenarios.



RS485 Soil EC Sensor Specification:


Work Environment
Temperature:-30℃ to 70℃; Humidity:≤95%RH
Measuring Range
Humidity: 0%RH-100%RH
0-50% inner soil 2%, 50-100% inner soil 3%
(brown soil, 60%, 25℃)
Temperature:-40℃~+80℃, ±0.5℃(25℃)
EC: 0-20000us/cm
Within the range of 0-10000 US/cm, it is ±3%; Within the range of 10000-20000us/cm, it is ±55. (Brown soil, 60%RH, 25℃)
EC Sensor External Dimensions
45*15*123mm
Steel Needle Material
Stainless Steel
Sealing Material
Black flame retardant epoxy resin
Transmitter Line Length
Default 2m (other lengths can be customized)


Packaging:


Single gross weight:  0.800 KG

Single package size: 23X20X5 cm




Product Applications: 


1.High precision: accurately measure the slightest changes in soil Temperature and Humidity, with a wide measurement range.

 

2.It meets the requirements of long-term agricultural monitoring and reduces operational and maintenance costs associated with frequent power replacement.

 

3.Features battery-powered design, compatible with outdoor deployment scenarios without external power sources. 

 

4.Low - power wireless transmission: use technology for long - range, low - power data transmission, reducing energy consumption.

 

5.Strong environmental adaptability: withstand harsh outdoor conditions such as rain, dust, and extreme temperatures. 



Product Description: 






 

Application


This sensor is ideal for scenarios requiring soil EC measurement, including:

  • Water-saving agricultural irrigation systems
  • Meteorological & environmental monitoring projects
  • Greenhouse, flower, and vegetable cultivation
  • Grassland and pasture management
  • Rapid soil testing
  • Plant breeding & cultivation
  • Scientific research experiments


 






Why Our RS485 Soil EC (Temp & Humidity) Sensor Solves Your Pain Points:


1.Frustrated with unreliable EC data on large farms? 

Our RS485 wired transmission delivers stable EC, temperature, and humidity data over long distances—say goodbye to lost readings in vineyards and crop fields.


2.Tired of incompatible industrial systems? 

With Modbus RTU support, it works seamlessly with your existing PLC/SCADA setups—no extra costs for integrating EC monitoring.


3.Worried about wiring costs derailing your large-scale EC tracking budget? 

Daisy-chain multiple sensors on a single RS485 bus—significantly cut wiring labor and material costs for multi-point EC testing.


4.Struggling with power mismatches at EC monitoring sites? 

Its wide voltage range fits both industrial power supplies and battery setups—one versatile sensor for both remote EC tracking and greenhouse use.


5.Fed up with sensors failing mid-measurement in harsh outdoor conditions? 

IP68 waterproof rating plus noise-resistant RS485 signals ensure reliable EC data, even in extreme weather like droughts or heavy rain.


6.Annoyed by complicated wiring for on-site EC setups? 

Standard screw-terminal connections enable fast, tool-free wiring—get each EC sensor up and running quickly, no specialized skills required.



Production Process:



factory of water ec sensor manufacturer



Why choose us:


1. Strong R & D: 30+ Senior experts and highly educated personnel formed a R & D team, heavy investment, master a number of core technologies and patents.
2. Professional and effective solutions: for smart environmental protection, agriculture and other fields, to provide customized compound networking solutions.
3. Full range of products: covering the whole industry chain products from data collection to platform services to meet diverse needs.
4. Excellent quality: we have perfect quality control system, strictly quality control each production link, low defective rate. 
5. Good service: 7×24 hours fast response, Professional pre-sale, sale, after-sales team support.

Want to know about this product?

SEND A MESSAGE
Get A Free Quote

If you are interested in our products and want to know more details, please leave a message here, we will reply you as soon as we can.

Related Products
RS485 Soil Temperature Humidity Sensor RS485 Soil Temperature and Humidity Sensor
ZONEWU RS485 Soil Temperature and Humidity Sensor integrates soil moisture and soil temperature sensors, and has the advantages of easy portability, sealing, and high accuracy. It is an ideal choice for measuring soil moisture and soil temperature.
ZONEWU Leaf Temperature and Humidity Transmitter IP67 Leaf Temperature and Humidity Detection Transmitter RS485 Output
This product is a leaf temperature and humidity transmitter that uses RS485 (Modbus RTU) interface. Its humidity sensor is based on the principle of dielectric constant measurement, designed to mimic the geometric shape of real leaves, and can sensitively detect small residual moisture on the leaf surface; The temperature sensor adopts high-precision thermistor for precise measurement across the entire range. Main technical parameters: temperature range -40~80 ℃, accuracy ± 0.5 ℃; Humidity range 0~100% RH, accuracy ± 3% RH (@ 25 ℃). The whole machine is encapsulated with epoxy resin, with a protection level of IP67, wide voltage power supply DC 4.5-30V, low power consumption, and customizable wire length. Suitable for continuous monitoring of plant leaf or object surface humidity in scenarios such as greenhouses, laboratories, livestock farms, and artificial climate chambers.
Wireless Magnesium Ion Sensor LoRaWAN Water Enabled Industrial Magnesium Ion Monitoring Sensor
LoRaWAN water quality magnesium ion sensor is an intelligent device that integrates low-power wide area communication and high-precision detection technology, designed specifically for monitoring magnesium ion concentration in water bodies. Equipped with professional ion selective electrodes, the measurement range is 0.01-1000mg/L, with an accuracy of ± 0.1mg/L, resistant to coexisting ion interference, and accurate and traceable data. Relying on LoRaWAN technology, the wireless transmission distance is 2-10km, and data can be collected remotely without wiring. Adopting IP68 fully sealed structure and corrosion-resistant materials, it can operate underwater for a long time and withstand complex environments such as industrial wastewater and seawater. Ultra low power design supports 3-5 years of maintenance free operation and is suitable for unmanned scenarios. Support access to mainstream IoT platforms for real-time monitoring and over limit alarms, widely used in fields such as seawater desalination, aquaculture, industrial water treatment, and environmental monitoring, providing efficient and stable magnesium ion monitoring solutions.
Wireless LoRaWAN Smart Electrical Conductivity Sensor for Water Wireless LoRaWAN Smart Electrical Conductivity Sensor for Water
LoRa water quality EC, temperature, salinity sensor is a water conductivity sensor used to measure the conductivity of solutions. It has an automatic temperature compensation function, which can compensate the conductivity of the current temperature to the specified temperature. It can be widely used for continuous monitoring of the conductivity value of aqueous solutions in fields such as water quality, aquaculture, sewage treatment, environmental protection, pharmaceuticals, food, and tap water. Supports LoRa TDMA self-organizing network and standard LoRaWAN protocol.
Solar LoRaWAN Blue Green Algae Water Quality Sensor Solar LoRaWAN Blue Green Algae Water Quality Sensor
The solar blue-green algae sensor is a green and efficient solution for water environment monitoring. It is powered by solar energy and monitors the concentration of blue-green algae in water in real time. It does not require reagents and is easy to maintain. It is an ideal choice for early warning of unmanned algal blooms in lakes, reservoirs, and other water bodies.
Wireless Soil Electrical Conductivity Sensor LoRaWAN Soil EC Analyzer Battery Operated
LoRaWAN soil moisture, temperature, and electrical conductivity (EC) three in one sensor, designed specifically for precision agriculture. It can penetrate deep into the soil, accurately detect soil temperature, humidity, conductivity, and other values in real time, with minimal measurement error.
RS485 Soil Temperature Humidity Sensor RS485 Soil Temperature and Humidity Sensor
ZONEWU RS485 Soil Temperature and Humidity Sensor integrates soil moisture and soil temperature sensors, and has the advantages of easy portability, sealing, and high accuracy. It is an ideal choice for measuring soil moisture and soil temperature.
Explosion-Proof RS485 CH4 Gas Sensor RS485 MODBUS-RTU CH4 Sensor Explosion-Proof Industry
ZONEWU the methane transmitter designed by our company has strong safety, fast response speed, and strong anti-interference ability. After our company's unique compensation algorithm and multi-stage standard gas calibration, it also has the characteristics of long life, high precision, high repeatability, and high stability. Suitable for real-time monitoring of methane concentration in underground pipe galleries, underground parking lots, public toilets, garages, workshops, chemical plants, greenhouse farms, and other places. The device adopts a wide voltage 10-30V DC power supply, 485 signal output, standard ModBus RTU communication protocol, ModBus address can be set, baud rate can be changed, and the communication distance is up to 2000 meters.
Subscribe to Our Newsletter
Sign up for our company lastest news!
Get A Free Quote
Get A Free Quote
If you are interested in our products and want to know more details, please leave a message here, we will reply you as soon as we can.

Home

Products

about

contact