Moisture sensor for soil

Moisture Sensor for Soil is a device used to measure soil moisture, which monitors the moisture content in the soil in real time and provides important data support for agriculture, horticulture, irrigation systems and other fields. The following is a detailed introduction to the soil moisture sensor:

First, soil moisture sensor definition and classification

Soil moisture sensor is a sensor based on physical or chemical principles, capable of sensing the moisture content in the soil and converting it into a measurable electrical or digital signal. According to its working principle, soil moisture sensor can be divided into various types, such as resistive, capacitive, TDR sensor, FDR sensor and so on.

Second, the working principle of soil moisture sensor

Different types of soil moisture sensors have different working principles, but the basic idea is to measure some physical quantity in the soil (such as resistance, capacitance, time-domain sensors, frequency-domain sensors, etc.) to infer the moisture content of the soil. The following is a brief description of the working principle of some common types:

1. Resistance sensor: detects soil moisture content by measuring the resistance or conductivity between two electrodes. These sensors are inexpensive and suitable for DIY or home gardening, but may not be accurate enough for scientific studies where precision is required.

2. Capacitance sensor: Uses soil as a capacitor element to calibrate water content by measuring the charge storage capacity of the soil. This sensor can take continuous readings, has low power consumption, is cost-effective, and can be accurate to 2% to 3%.

3. TDR Sensor (Time Domain Sensor): Measures soil water content by measuring the time it takes for an electrical energy reflection wave to propagate along a transmission line. It has the advantage of insensitivity to salinity and high accuracy, but the cost and power consumption are relatively high.

4. FDR sensor (Frequency Domain Sensor): uses the soil as a capacitor to measure the maximum resonant frequency in a circuit, which is related to the water content. Compared to TDR sensors, FDR is cheaper and has a shorter measurement time.

The Integrated Soil Temperature and Moisture Sensor is a high-precision device that integrates soil temperature and moisture measurement functions, and it reflects the true moisture content of the soil by measuring the soil's dielectric constant. The following is a detailed description of the main performance characteristics and technical parameters of the sensor:

Soil moisture sensor technical parameters:

Third, the soil moisture sensor features and advantages

1. real-time monitoring: real-time, accurate monitoring of the moisture content in the soil, providing a scientific basis for irrigation decision-making.

2. high accuracy: the use of advanced measurement principles and technology, with high measurement accuracy and stability.

3. Wide range of application: applicable to different types of soil and crops to meet diversified agricultural needs.

4. Easy to install and maintain: reasonable design, easy to install, and low maintenance costs.

5. Integrated measurement: the sensor can measure soil temperature and humidity at the same time, providing comprehensive soil environment data, which helps users to understand the soil condition more accurately.

6. Durable: The electrodes are made of specially treated alloy material, which improves the sensor's impact resistance and reduces the risk of damage due to external impact.

7. Sealed design: The sensor adopts a completely sealed design, which can resist acid and alkali corrosion, suitable for long-term buried in soil or water for dynamic detection, ensuring the stability and reliability of the measurement.

8. High accuracy and fast response: the sensor has high measurement accuracy and fast response, which can quickly capture the change of soil temperature and humidity and ensure the accuracy and real-time data.

9. Protection circuit: the sensor is equipped with a perfect protection circuit, which can effectively prevent damage to the equipment caused by over-voltage, over-current and other factors, improving the service life and stability of the equipment.

Fourth, the soil moisture sensor application scenarios

Soil moisture sensor is widely used in the following areas:

1. agriculture and forestry soil monitoring: used to monitor soil moisture to optimize irrigation schedules.

2. Horticultural greening: used to monitor soil moisture in flower beds, lawns and other greening areas to ensure healthy plant growth.

3. Irrigation system: Used in combination with automatic irrigation system to realize precise irrigation and water-saving irrigation.

4. - Environmental monitoring: used in ecological environment monitoring to assess the impact of soil moisture on the ecological environment.

5. greenhouses: to monitor and control soil moisture in plant growing environments.

6. grassland pastures: to help maintain suitable soil moisture conditions.

7. plant culture, flowers and vegetables: to ensure that the soil moisture at the root of the crop is appropriate.

Precautions for use

1. Choose the right type of sensor: choose the right type of sensor according to the actual demand to ensure the measurement accuracy and stability.

2. Install the sensor correctly: install the sensor correctly according to the instruction manual to avoid damage or affecting the measurement effect.

3. Calibrate the sensor regularly: calibrate the sensor regularly to ensure the accuracy of the measurement data.

4. pay attention to the protection of the sensor: to avoid mechanical damage to the sensor or chemical corrosion, affecting the service life and measurement accuracy.

In summary, the soil moisture sensor is an important agricultural and horticultural tool that can monitor the moisture content in the soil in real time and provide a scientific basis for agricultural production. With its integrated measurement, high accuracy, fast response, durability and other performance characteristics, as well as detailed technical parameter settings, the integrated soil temperature and humidity sensor has been widely used in many fields such as soil moisture monitoring, scientific experiments, agricultural irrigation, greenhouse and so on, and is an important tool in modern agriculture and environmental monitoring.

Soil Moisture Temperature sensor data sheet

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

NBL-S-TMC-Soil-temperature-and-moisture-conductivity-sensor.pdf