+86 15898932201The soil moisture monitor integrates the monitoring of soil temperature, humidity, and conductivity into a single unit, making it ideal for agricultural applications such as smart greenhouses, orchards, and irrigation systems. The device features an integrated sensor structure, ensuring rapid and accurate measurements.
The soil moisture monitor is an online monitoring device designed to track soil profile temperature, humidity, and conductivity. By combining these three key measurement functions, it finds extensive application in various agricultural engineering fields, including smart greenhouses, smart orchards, and smart irrigation systems.
In terms of technical principles, the soil moisture monitor primarily employs Frequency Domain Reflectometry (FDR) and capacitive sensing technologies. The FDR principle estimates volumetric soil water content by measuring the soil's dielectric constant; it offers high measurement accuracy with a full-scale range of 0–100%, achieving an accuracy of ±2% within the 0–50% range. Capacitive sensing technology utilizes capacitive sensors paired with oscillation circuits to perform measurements; a TFT LCD screen displays a graph illustrating how soil humidity varies with depth, providing a visual and easily interpretable readout. Certain models utilize a standing-wave measurement principle, featuring a stabilization time of approximately 10 seconds after power-up and a response time of under 1 second to reach a steady state, thereby enabling rapid soil moisture determination.
Regarding product structure, the soil moisture monitor typically consists of a handheld main unit and a sensor probe. The sensor probe is constructed from stainless steel, offering resistance to electrolysis as well as acid and alkali corrosion, which ensures stable, long-term operation even in complex soil environments. Tube-style models feature a layered observation structure, enabling real-time online monitoring of temperature and moisture levels at various soil depths; these units can also be optionally configured to integrate additional monitoring parameters—such as conductivity, tilt angle, and acceleration—for a comprehensive, all-in-one solution.
In terms of data communication, the soil moisture monitor supports automatic data uploads to a cloud management platform via 5G or 4G networks, allowing users to access real-time soil temperature and humidity data at any time via a web browser or mobile app. The device features substantial built-in data storage capacity—its internal Flash memory can store nearly 30,000 data records—and comes standard with a 4GB memory card for virtually unlimited storage. Furthermore, data can be exported via a USB interface to generate Excel spreadsheets and graphical charts. Power is supplied by a built-in rechargeable lithium battery, which includes charging protection and low-voltage warning functions to meet the demands of long-term field monitoring applications. Soil moisture sensors hold significant practical value within the agricultural sector. In the context of smart irrigation, real-time monitoring of soil moisture levels enables users to accurately determine the optimal timing and volume for irrigation, thereby preventing water wastage caused by over-irrigation, reducing irrigation costs, and enhancing water-use efficiency. In the management of smart greenhouses and orchards, this device assists users in rationally adjusting management practices—such as fertilization and pruning—based on crop growth cycles and actual requirements, thereby fostering healthy crop growth and improving both yield and quality. Furthermore, this device finds application in various other fields, including soil moisture assessment, water-saving irrigation for dryland farming, precision agriculture, forestry, geological exploration, and plant cultivation.
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