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Sensor de humidade do solo

The Veswe Soil Moisture Sensor is a critical tool for assessing soil health, providing real-time data on moisture, temperature, salinity, and fertility levels. It delivers the essential insights needed to evaluate soil conditions and support informed decision-making in land management.

This sensor series offers versatile models, including standalone moisture, temp & humidity, and temp, moisture & EC combinations, to suit diverse needs. It provides reliable data support for soil moisture monitoring, precision agricultural irrigation, and forestry protection, making it indispensable for sustainable farming and environmental care.

  • Model: VRS-SD-&-TR-1-EX
  • MOQ: 1 PCS
  • Prazo de entrega: no prazo de 24 horas
  • Informe-se sobre o preço agora

Informações: Email: contact@veswe.com | WhatsApp: +8613418148929

 High-Quality Integrated Monitoring: The All-in-One Solution

The Veswe Soil Triple-One Sensor is a compact, multi-parameter probe designed for real-time measurement of soil temperature, moisture content, and electrical conductivity (EC). Set against lush tea plantation hills, its black epoxy housing features three stainless steel pins for direct soil insertion—acting as a precise Soil Moisture Sensor, a reliable temperature gauge, and an accurate conductivity meter all in one. The green label clearly identifies it as a “SOIL MOISTURE SENSOR” with specs for CHW (Moisture), CHC (Conductivity), and TEMP. Powered by DC 5–30V and offering versatile outputs like RS485, 4–20mA, 0–5V, and 0–10V, this Soil Moisture Sensor integrates seamlessly into any control system. Ideal for precision agriculture, it drives decision-making by providing a complete picture of soil health. As a versatile tool, it eliminates the need for multiple separate probes. Whether used for research or commercial farming, this device delivers lab-grade accuracy in the field—making it the definitive choice for integrated soil monitoring.

soil moisture sensor

Comprehensive Monitoring Across Diverse Environments
Four application scenarios illustrate the incredible versatility of this Soil Moisture Sensor. In Greenhouses, it monitors substrate conditions for leafy greens, acting as a critical control point to optimize irrigation and nutrient dosing. In Horticultural Planting, it tracks EC and moisture in potted ornamentals like bromeliads, preventing root rot or salt buildup before visible symptoms appear. In Tree Gardens, it assesses root-zone status during transplanting or drought stress, helping orchard managers save valuable trees. In Grain Storage, it detects ambient humidity near stored piles, preventing mold growth and spoilage due to condensation—a unique application beyond typical field use. This adaptability makes the Soil Moisture Sensor invaluable for controlled-environment agriculture, post-harvest logistics, and urban greening initiatives. Its robust design ensures it performs equally well in a pot or a pasture, protecting your assets across diverse sectors.

soil moisture sensor

IP68 Protection & Epoxy Resin Vacuum Sealing
Two key engineering highlights define the durability of this Soil Moisture Sensor. IP68 High-Level Protection ensures the overall fuselage is waterproof and dustproof, allowing it to be submerged in water for long periods without failure. Visuals show the sensor partially submerged with splashes, proving its sealing integrity under extreme wet conditions. Epoxy Resin Vacuum Glue fills the gap between the probe and body via a high-temp vacuum process, preventing moisture ingress effectively. Close-ups reveal the seamless bond at the pin entry point, which is critical for preventing failure in saline or acidic soils over years of deployment. No other Soil Moisture Sensor offers such complete protection against water and dust—guaranteeing data integrity even in flooded paddies.

 

soil moisture sensor

Stainless Steel Probe & High-Quality Chip: Durability Meets Precision
Two technical components highlight the excellence of this Soil Moisture Sensor. The Stainless Steel Metal Probe is made from austenitic 316 stainless steel—anti-rust, non-electrolytic, and resistant to salt and alkali corrosion. This makes it ideal for coastal farmlands, reclaimed industrial sites, or compost-rich substrates where standard probes degrade rapidly. The High Quality Chip features a low-power MCU paired with a high-grade operational amplifier, ensuring low power consumption, high sensitivity, and stable signal transmission even in noisy environments with electromagnetic interference. This combination of rugged hardware and smart electronics makes it the premier choice for professional-grade data in tough field conditions.

soil moisture sensor

Quick Test & Burial Survey: Flexible Deployment Methods
Illustrated guides show two distinct usage techniques for this Soil Moisture Sensor, offering flexibility for different needs. For Quick Test (Spot Measurement), users select a location avoiding stones, insert the sensor vertically without shaking, and take multiple readings for averaging—turning the device into a handy portable tool for rapid scouting. For Burial Survey (Long-Term Monitoring), users dig a vertical pit (~20cm diameter), insert the sensor horizontally at the target depth, backfill, and compact the soil. This transforms the sensor into a permanent station for trend analysis and model validation. Whether used as a temporary scout or a fixed monitor, the installation is straightforward. This adaptability ensures you get valid, representative data whether you need quick checks or long-term logs.

soil moisture sensor

 

On-Site Networking: Free Monitoring Software via RS485
Showing a wired network architecture, this Soil Moisture Sensor connects multiple units via a standard RS485 bus. Several sensors can be daisy-chained to a USB-to-RS485 converter and plugged into a PC running free monitoring software. The interface displays real-time data, over-limit alarms, historical queries, and data export functions. This enables centralized local monitoring without cloud dependency—perfect for farms with limited internet access or labs requiring offline data security. As a network-ready device, it simplifies data management whether you’re configuring a cluster of sensors or a single unit, keeping your data private and accessible.soil moisture sensor

Free Cloud Platform: Remote Access & Scalable Management
Depicting an end-to-end IoT ecosystem, this Soil Moisture Sensor connects to a Monitoring Host or Network Concentrator, uploading data via the Internet to the free Environmental Monitoring Cloud Platform. Accessed anytime via mobile phone or computer dashboard, the platform features real-time display, limit alarms, historical query, data export, and SMS/email alerts. The platform supports simultaneous data transmission and storage for over 50,000 environmental monitoring devices—empowering large-scale operations from regional agronomy services to municipal park systems. As a connected device, it brings your fields to your fingertips, enabling global oversight and instant reaction. This is the ultimate tool for the future of data-driven agriculture.

soil moisture sensor

Types - Soil Sensors

veswe  soil moisture sensor is a high-precision sensor for measuring soil moisture. The working principle is to measure the dielectric constant of the soil, which can measure the volume percentage of soil moisture. The soil moisture measurement method conforms to international standards and is suitable for various soils. We not only provide customers with a wide range of soil sensors but also offer a free cloud platform that allows you to conveniently manage sensor data from different measurements.

Soil moisture sensor

The soil moisture sensor(VRS-SD-&-TR-1-EX) is the most common device to measure soil moisture content. All connection parts are manufactured with a strict process to ensure waterproof and dustproof protection, guaranteeing that the measuring elements are shielded from moisture and salts in the soil. The housing is fully waterproof, allowing the sensor to be buried in the soil for long-term monitoring, with a protection rating of IP68. Soil moisture measurement area: within a cylinder with a radius of 7cm centered on the central probe. The soil moisture sensor offers RS485, 4-20mA, 0-5V, 0-10V or USB output types for choose.

Price: Please contact us

Soil temperature and humidity sensor

Soil temperature is closely related to crop growth, fertilizer decomposition and organic matter accumulation. Our soil temperature and humidity sensor(VRS-WS-&-TR-1-EX) can measure the two elements of soil temperature and humidity at the same time. Like the soil moisture sensor, it offers high accuracy, fast response, and minimal influence from soil salinity, making it suitable for various soil types. The vacuum potting process ensures long-term resistance to electrolysis and corrosion. Our soil temperature and humidity sensors have RS485, 0-5V, 0-10V, 4-20mA and USB output types for choose.

Price:please contact us

3 in 1 soil sensor

The soil temperature humidity and EC sensor(VRS-ECTH-&-TR-1-EX) is an important tool for observing and studying the occurrence, evolution, improvement, and water and salt dynamics of saline soil. The 3 in 1 soil sensor creatively measures salinity, moisture, and temperature together, which greatly facilitates the customer’s systematic assessment of soil conditions. By measuring the dielectric constant of the soil, it can directly and stably reflect the true moisture content of various soils. At present, our this 3 in1 soil sensor only have RS485 and USB output.

Price:Please contact us

Soil sensor datasheets

Alimentação eléctricaDC 4.5~30V (RS485), DC 10~30V (analog)
Temperatura de funcionamento-40℃~+60℃
Core chip temperature resistance85℃
Soil moisture parametersRange0-100%RH
Exatidão±2% within 0-50%RH, @ (brown soil, 30%, 25℃) ±3% within 50-100%RH, @ (brown soil, 60%, 25℃)
Protection levelIP68
Probe material304 stainless steel
Sealing materialBlack flame-retardant epoxy resin
Comprimento predefinido do cabo2 meters, cable length can be customized according to requirements
Dimensions45*15*123mm
Sinal de saídaRS485/4-20mA/0-5V/0-10V
Alimentação eléctricaDC 4.5~30V (RS485), DC 10~30V (analog)
Temperatura de funcionamento-40℃~+60℃
Core chip temperature resistance85℃
Soil moisture parametersRange0-100%RH
Resolução0.1%
Exatidão±2% within 0-50%RH, @ (brown soil, 30%, 25℃) ±3% within 50-100%RH, @ (brown soil, 60%, 25℃)
Soil temperature parameterRange-40℃~80℃
Resolução0.1℃
Exatidão±0.5℃(25℃)
Protection levelIP68
Probe materialAnti-corrosion special electrode
Sealing materialBlack flame-retardant epoxy resin
Comprimento predefinido do cabo2 meters, the cable length can be customized according to requirements
Dimension45*15*123mm
Sinal de saídaRS485/4-20mA/0-5V/0-10V
Alimentação eléctricaDC 4.5~30V
Consumo máximo de energia0.7W(24V DC powered by)
Temperatura de funcionamento-40℃~+60℃
Soil moisture parametersRange0-100%RH
Resolução0.1%
Exatidão±2% within 0-50%RH, @ (brown soil, 30%, 25℃) ±3% within 50-100%RH, @ (brown soil, 60%, 25℃)
Soil temperature parametersRange-40℃~80℃
Resolução0.1℃
Exatidão±0.5℃ (25℃)
Conductivity parameterRange0-20000μS/cm
Resolução10μS/cm
Exatidão0-10000μS/cm is ±3%;10000-20000μS/cm is ±5%
Conductivity temperature compensationBuilt-in temperature compensation sensor, compensation range 0-50℃
Protection classIP68
Probe materialAnti-corrosion special electrode
Sealing materialBlack flame retardant epoxy resin
Comprimento predefinido do cabo2 meters, cable length can be customized
Dimensions45*15*123mm
Sinal de saídaRS485 (Modbus protocol)

Rain and snow sensor use

Marca de topo

veswe is a manufacturer with 15 years experience. Top brand. Can provide you with professional technical support and solutions. Provide a free data platform for you to view the data. Provide customized services and support customers’ secondary development.

Easy use

Our soil moisture sensor is simple to use. It can be directly inserted into the soil to measure the current soil moisture content, or it can be connected to a soil irrigation system and used with a controller to control soil irrigation. Can be buried in the soil for long-term measurement.

More types

We have a variety of soil sensors that can measure soil temperature, moisture, pH or EC and other elements. Meet the measurement needs of different places. Provide rs485 and analog signal output modes. Easy to calibrate. Long using life.

Cost-effective

Our soil moisture sensors, soil temperature and humidity sensors, as well as the 3-in-1 soil sensor (measuring temperature, humidity and conductivity), all boast an outstanding cost-performance ratio. They help you cut procurement costs while ensuring the best possible price point.
Welcome to send us your inquiry!

Caraterísticas

  1. The soil moisture sensor adopts TDR measurement technology, featuring high accuracy and fast response. It is equipped with a low-power MCU and high-quality operational amplifier for stable signal transmission and excellent interchangeability.
  2. It is less affected by soil salinity, suitable for various soil types.
  3. The overall design is fully sealed and resistant to acid and alkali corrosion. It can be buried in soil for long-term monitoring.
  4. The probe of the soil sensor is made of austenitic 316 stainless steel, with a length of 70 mm and a diameter of 3 mm. It can withstand strong external impacts and is not easily damaged.

FAQs - Soil Moisture Sensor

How to install a soil moisture sensor?

Since the electrodes directly measure the electrical conductivity (EC) of soluble salt ions in the soil, the soil volumetric water content must be higher than approximately 20% for the soluble ions to correctly reflect the soil’s conductivity. For long-term monitoring, measurements taken after irrigation or rainfall are closer to the true soil conditions.

For rapid measurements, water can be added to the target soil area first, and the measurement should be carried out after the water has fully infiltrated.

soil moisture sensor installation

When measuring in hard soil surfaces, drill a pilot hole (diameter smaller than the probe diameter), then insert the sensor into the soil and compact the soil around it before taking measurements. The sensor should be protected from strong vibrations and impacts, and must not be struck with hard objects.

Since the sensor is encapsulated in a black housing, it may heat up rapidly under direct sunlight (above 50 °C). To prevent high temperatures from affecting temperature measurement accuracy, please take measures for shading and protection when using the sensor in the field.

Soil sensor installation
What is the output of the soil moisture sensor?

Our company provides customers with five output modes: RS485, Lora, 4-20ma, 0-5v, 0-10v, and USB.

Where to place the soil sensor?
  1. Place the fixed sensor between the plants at the desired depth.
  2. Mark the place where the sensor is placed to prevent the sensor from being damaged.
  3. Do not install the sensor near the pivot wheel track, and make sure that the sensor is in direct contact with the soil and has minimal interference to the soil during the installation process.
How to view the data measured by the soil sensor?

You can use the cloud platform provided by our company for free.

How to wire a soil moisture sensor?

RS485 Output Type:
Brown wire — Power positive (4.5–30V DC)
Black wire — Power ground
Yellow wire — 485-A
Blue wire — 485-B

Analog Output Type:
Brown wire — Power positive (10–30V DC)
Black wire — Power negative (Temperature signal negative / Moisture signal negative)
Blue wire — Temperature signal positive
Yellow wire — Moisture signal positive

How long does a soil moisture sensor last?

With proper installation and maintenance, high-quality sensors can last 3–5 years or longer, depending on soil conditions and usage.

What are the uses of soil moisture sensors?

The soil moisture sensor is suitable for soil moisture monitoring, scientific experiments, water-saving irrigation, greenhouses, flowers and vegetables, grassland pastures, soil rapid testing, plant cultivation, sewage treatment, precision agriculture, and other occasions. Soil moisture sensor can be combined with wind speed sensor, wind direction sensor, rain gauge, solar radiation shield, rain and snow sensor, UV sensor, solar radiation sensor, sunlight sensor, atmospheric pressure sensor, etc. to form a weather station monitoring system.

How to view the data monitored by the soil sensor?

For RS485 output soil sensors, you can use an RS485-to-USB converter. Through the converter, the data can be uploaded to our software for real-time monitoring.

Alternatively, users may use their own RS485-to-TTL/232 module to connect RS485 output or analog output soil sensor, and then upload the data to a microcontroller or PLC for viewing.

What is included in the packing list?

Soil moisture sensor × 1
Certificate of conformity and warranty card

How to download the pdf manual of the soil sensor?

This product is independently developed and produced by our company. To ensure the privacy of the product technical parameters, please contact us to obtain the product manual.

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Contactar-nos

O nosso colega: Jack
Telefone/ Whatsapp: +86 13418148929
Correio eletrónico: contact@veswe.com
Endereço:Floors 1-4, No. 269 Nanda Highway, Dashi Street ,Panyu , Guangzhou, Guangdongdong, China