Call Phone +8618073152920 Hotline: +8618073152920
Call Phone +8618073152920
CONTACT US/ CONTACT US
Consumer hotline +8618073152920
Changsha Zoko Link Technology Co., Ltd.

Email:Arvin@niubol.com

WhatsApp:+8615367865107

Address:Room 102, District D, Houhu Industrial Park, Yuelu District, Changsha City, Hunan Province, China

Position:Home >> Blogs >> Product knowledge

Product knowledge

NiuBoL Online Soil Moisture Monitoring System: Precision Agriculture IoT Solution

Time:2026-03-14 11:11:08 Popularity:12

In modern agricultural engineering, soil moisture online monitoring systems have become core tools for optimizing irrigation management and water resource utilization. As a professional IoT sensor manufacturer, NiuBoL provides advanced soil moisture monitoring equipment to help system integrators and project contractors build efficient agricultural IoT platforms. These systems support precision agriculture decision-making through real-time data collection, reduce water resource waste, and improve crop yield.

Multi depth soil moisture sensor.png

Role of Soil Moisture Monitoring in Agricultural Engineering

Soil moisture refers to the water content or humidity level in the soil and is a key factor affecting crop growth, root development, and overall yield. In agricultural production, insufficient soil moisture can cause crops to wilt or wither, while excessive moisture leads to root respiration difficulties or even root rot. Traditional methods rely on manual empirical judgment, easily resulting in uneven irrigation and resource waste, especially in water-scarce regions such as certain agricultural areas in China.

The NiuBoL soil moisture online monitoring system addresses these challenges by providing all-weather, unattended monitoring solutions. The system integrates multi-layer soil temperature and humidity sensors and supports GPRS/4G/5G wireless transmission, suitable for large farms, greenhouses, and water conservancy projects. Through seamless integration with IoT platforms, system integrators can easily expand to regional soil data networks for real-time monitoring and data analysis. This not only enhances the sustainability of agricultural projects but also helps engineering companies optimize water resource allocation in line with national water-saving agriculture policy guidance.

In commercial procurement, system integrators often seek reliable hardware components to build customized solutions. The NiuBoL system, with its high-precision measurement and corrosion-resistant design, meets the stringent requirements of harsh outdoor environments, ensuring data reliability and reducing maintenance costs.

1.png

Core Features of NiuBoL Soil Moisture Monitoring System

The NiuBoL soil moisture online monitoring system uses advanced dielectric constant principle (FDR) to achieve precise measurement of soil volumetric water content (VWC) and temperature. The system design focuses on engineering practicality, supporting multi-depth monitoring nodes suitable for different soil layer analysis.

Multi-Layer Soil Sensor Design and Durability

The system is equipped with six-layer soil temperature and humidity sensors and can be customized with up to 10 monitoring nodes. Standard depths include 10cm, 20cm, 30cm, and 40cm. This allows engineering teams to collect layered data based on specific crop root distribution—for example, cereal crops are suitable for 60%-70% field capacity, while legume crops require 70%-80%. The sensors are made of stainless steel needles with strong corrosion resistance, capable of withstanding long-term electrolysis, and are suitable for soils with high acid, alkali, and salt content.

The outer shell uses high-quality plastic tubes and epoxy resin sealing, ensuring the underground part reaches IP68 protection rating and the surface part IP67. Even in operating environments from -40℃ to 80℃, the system operates stably, with power consumption as low as less than 1mA in sleep mode and less than 70mA during sampling, extending equipment life and reducing energy consumption.

Data Transmission and Integration Capabilities

Data acquisition is achieved through RS485 (MODBUS protocol) output or 2G/4G wireless communication, supporting connection to professional data loggers and software platforms. System integrators can easily transmit data to cloud databases for statistical analysis and report generation. This enables project contractors to build large-scale IoT networks for 24-hour continuous online monitoring.

Optional MPPT charge controller improves solar power efficiency by 20%, suitable for off-grid deployment in remote areas. Additionally, the geological disaster version includes a built-in tilt sensor using 3D-MEMS technology with an angular resolution of 0.005 degrees, supporting vibration alarms and GPS positioning (accuracy within 10m). These features enhance system versatility and are suitable for engineering projects in geologically unstable areas or those requiring location tracking.

soil temperature and humidity monitoring system for corn fields.jpg

Application Scenarios and Benefit Analysis of Multi-Layer Soil Moisture Sensors

In water-saving irrigation projects, the NiuBoL system helps monitor soil salinity, temperature, and humidity to prevent water resource waste caused by over-irrigation. Agricultural water use in China accounts for over 50% of total social water consumption, with low utilization efficiency. Through real-time data, engineering companies can guide users to adjust irrigation strategies and avoid deterioration of soil aeration.

For example, during the jointing and booting stage of winter wheat, if soil moisture monitoring shows moisture below the required threshold, the system can trigger alarms to prompt timely watering and reduce yield loss risks. In rainy seasons, monitoring high moisture levels supports drainage measures such as deep plowing or ditching to prevent waterlogging disasters.

For IoT solution providers, the system offers power and signal line multi-directional misconnection protection to simplify installation. Combined with software platforms, data can be used for predictive models to help optimize agricultural production layouts and crop selection, improving economic benefits.

Multi-depth Soil Moisture and Temperature Sensor.png

Detailed Technical Specifications of NBL-S-TMSMS Conduit-Type Multi-Layer Soil Moisture Sensor

The technical parameters of the NiuBoL NBL-S-TMSMS conduit-type multi-layer soil moisture sensor are shown in the table below, ensuring transparent engineering specifications for procurement decisions.

Parameter NameSpecification Description
Power Supply MethodDC12V or solar power supply
Output FormRS485 (MODBUS protocol) or 4G wireless communication
Soil Volumetric Water ContentMeasurement range: dry soil to saturated soil; Measurement accuracy: ±3% (laboratory); Resolution: 0.1%
Soil TemperatureMeasurement range: -40℃~80℃; Measurement accuracy: ±0.5℃; Resolution: 0.1℃
GPS Positioning (Optional)Positioning accuracy: within 10m
Tilt Measurement (Optional)Built-in high-performance 3-axis tilt sensor, angular resolution: 0.005 degrees
Vibration Alarm (Optional)Report GPS data when the product is vibrated
Overall DimensionsDiameter ϕ63mm, length varies with number of collection points, standard length about 1000mm
Power ConsumptionLess than 1mA in sleep mode, less than 70mA during sampling
Operating Environment-40℃~80℃, 0-100% RH
Protection RatingSurface part IP67, underground part IP68

These specifications are based on mature electromagnetic wave frequency change measurement principles to ensure data accuracy. The sensor is small in size and easy to install, suitable for greenhouses, pastures, and scientific experiments.

soil sensor Installation.png

Installation and Deployment Guide for Multi-Layer Soil Moisture Sensors

Correct installation is key to ensuring system performance. NiuBoL recommends selecting representative monitoring points that reflect the main crops and regional soil types. Plain plots should have an area greater than 10 mu, and hilly areas greater than 1 mu. Avoid low-lying areas prone to water accumulation and maintain a distance of more than 50m from ditches to prevent lateral seepage influence.

The installation location should be about 20m from plot edges or roadsides with flat terrain. Once determined, monitoring points should remain stable to maintain data continuity. Engineering contractors can use GPS functions to assist positioning and improve deployment efficiency.

During integration, the system supports compatibility with existing IoT platforms and simplifies data interfaces through MODBUS protocol. Maintenance is simple, with anti-aging sensor design reducing frequent replacement needs and lowering total ownership costs.

Why Choose NiuBoL as a Partner

As a manufacturer, NiuBoL focuses on sensor supply chains and provides customized sensor solutions. Our products help system integrators expand service scope from single monitoring to comprehensive agricultural IoT ecosystems. Project contractors benefit from reliable data transmission, reducing on-site failures and improving engineering delivery efficiency.

In the context of water resource scarcity, the NiuBoL system supports water-saving agriculture development by providing data foundations for drought and disaster relief strategy formulation. By accurately grasping soil moisture change patterns, users can adjust production structures, select high-yield crops, and improve overall benefits.

Soil Moisture Monitoring Station.jpg

FAQ

Q1: What is a soil moisture online monitoring system?
   A soil moisture online monitoring system is an IoT device used to measure soil water content, temperature, and salinity in real time, supporting unattended data collection and transmission to help optimize agricultural irrigation.

Q2: What data transmission methods does the NiuBoL system support?
   The system supports RS485 (MODBUS protocol) wired output and GPRS/4G/5G wireless transmission to ensure real-time data upload to monitoring centers or cloud platforms.

Q3: Which agricultural scenarios is this system suitable for?
   Suitable for water-saving irrigation, greenhouse vegetables, flowers and horticulture, pastures, and crop experiments, supporting multi-layer soil monitoring to adapt to different crop root needs.

Q4: How is sensor durability ensured?
   The sensor uses stainless steel needles and epoxy resin sealing, resistant to acid and alkali corrosion, with IP68 protection rating, capable of long-term submersion without leakage.

Q5: Does the system support solar power supply?
   Yes, equipped with MPPT charge controller to improve efficiency by 20%, suitable for off-grid deployment in remote areas.

Q6: Can the number of monitoring layers be customized?
   Standard configuration is six layers, customizable up to 10 nodes, adjusted according to soil depth requirements.

Q7: How is data accuracy?
   Soil volumetric water content accuracy ±3%, temperature ±0.5℃, based on FDR principle to ensure engineering-grade accuracy.

Q8: How to integrate into existing IoT platforms?
   Through professional data loggers and software interfaces, data can be transmitted to databases, supporting statistical analysis and simplifying system integration.

Multi depth soil moisture sensor.jpg

Conclusion

The NiuBoL soil moisture online monitoring system provides reliable solutions for agricultural engineering, achieving real-time control of soil environments through precision sensors and wireless transmission technology. This not only helps system integrators and project contractors build efficient platforms but also promotes water resource conservation and crop yield improvement. In today's pursuit of sustainable agriculture, choosing NiuBoL means investing in precise and reliable IoT infrastructure to drive industry innovation and development.

NBL-S-TMSMS Tubular Multilayer Soil Moisture Sensor Data Sheet

NBL-S-TMSMS-Tubular-Multi-depth-Soil-Moisture-Sensor-Instruction-Manual.pdf

NBL-S-TM-Soil-temperature-and-moisture-sensor-Instruction-Manual-4.0.pdf

NBL-S-THR-Soil-temperature-and-moisture-sensors-Instruction-Manual-V4.0.pdf

Related recommendations

Sensors & Weather Stations Catalog

Agriculture Sensors and Weather Stations Catalog-NiuBoL.pdf

Weather Stations Catalog-NiuBoL.pdf

Agriculture Sensors Catalog-NiuBoL.pdf

Related products

Tell us your requirements, Let's discuss more about your project.we can do more.

Name*

Tel*

Email*

Company*

Country*

Message

online
Contacts
Email
Top
XNiuBoL Online Soil Moisture Monitoring System: Precision Agriculture IoT Solution-Product knowledge-Automatic Weather Stations_Industrial, Agricultural, Water & Environmental IoT Monitoring Solutions—NiuBoL

Screenshot, WhatsApp to identify the QR code

WhatsApp number:+8615367865107

(Click on WhatsApp to copy and add friends)

Open WhatsApp

The WhatsApp ID has been copied, please open WhatsApp to add consultation details!
WhatsApp