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.
ZONEWU Ammonia(NH3) Monitoring Transmitter Industrial RS485 Electrochemical Ammonia Gas Transmitter
This RS485-type ammonia temperature and humidity transmitter adopts the electrochemical principle, supports 5-28VDC wide voltage power supply, and features a wall-mounted waterproof design suitable for harsh environments. It has the characteristics of fast response, high sensitivity, and strong anti-interference. Calibrated with exclusive algorithms and standard gases, it has high precision and strong stability, with data updated every 2 seconds. It can real-time monitor ammonia (0-50/100ppm), temperature (-40~80℃), and humidity (0~99.9% RH), and is suitable for scenarios such as farms, chemical plants, and greenhouses. It supports the ModBus RTU protocol and is easy to install and use.
OEM RS485 residual chlorine sensor RS485 Residual Chlorine Sensor No Reagent Low Maintenance
This product is specially designed for the continuous online monitoring of residual chlorine in aqueous solutions. It is widely applied in drinking water treatment plants, canning factories, water distribution networks, swimming pools, cooling circulating water systems, and various water treatment projects, ensuring stable and reliable water quality detection.
High Precision Solar LoRaWAN Water Quality COD Sensor High Precision Solar LoRaWAN Water Quality COD Sensor
The solar COD sensor is an intelligent device that uses solar power to monitor the chemical oxygen demand (COD) of water in real-time online. It is suitable for outdoor unmanned long-term water quality monitoring, providing convenient and efficient data support for water environment protection.
ZONEWU Water Quality Potassium Ion Sensor LoRaWAN Wireless Remote Potassium Ion Sensor
The LoRaWAN water quality potassium ion sensor adopts the ion selective electrode method, combined with LoRaWAN wireless transmission technology, to achieve online monitoring of potassium ion concentration in water. Equipped with automatic temperature compensation and anti light interference function, measuring range of 0-1000mg/L, accuracy of ± 10% or ± 1mg/L of reading, protection level IP68, supporting low-power sleep and Class A/C working mode. No need for reagents, no secondary pollution, suitable for scenarios such as surface water, drinking water, agricultural irrigation, and aquaculture. The data is remotely transmitted to the cloud platform through the LoRaWAN gateway, facilitating real-time viewing and warning, and helping with smart water management and precision agriculture management.
ZONEWU PM2.5/PM10 Monitoring Sensor Industrial LoRaWAN laser scattering dust PM2.5/PM10 sensor
Based on the laser scattering principle, this sensor accurately detects particles ranging from 0.3μm to 10μm, and real-time monitors the concentrations of PM2.5/PM10/PM1.0 (measuring range: 0-1000μg/m³, resolution: 1μg/m³). It features a built-in self-calibration function upon startup. Supporting the standard LoRaWAN protocol, it is compatible with multiple frequency bands and OTAA Class A/C modes, ensuring stable data transmission. With a default data collection cycle of 10 seconds and reporting cycle of 5 minutes, it allows flexible configuration of threshold triggers and the number of abnormal reports. Adaptable to a wide temperature range of -20℃~60℃ and easy to install, it is widely used for dust monitoring in outdoor weather stations, industrial plants, libraries and other places, providing reliable data support for air quality management.
Wireless NO2 Nitrogen Dioxide Sensor Transmitter Wireless NO2 Nitrogen Dioxide Sensor Transmitter
LoRaWAN nitrogen dioxide sensor is an IoT wireless sensor developed based on LoRa wireless technology, with built-in nitrogen dioxide sensor and temperature and humidity sensors. It utilizes electrochemical principles to monitor the concentration, temperature, and humidity of nitrogen dioxide in the environment in real-time. This system has the characteristics of high detection accuracy, stable performance, and low power consumption, and is widely used in environmental monitoring, industrial emission monitoring, chemical plants, and other fields.
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