Leaf wetness sensor

What is a Leaf wetness sensor

Leaf wetness sensor is a sensor used to measure moisture on the leaf surface of plants. The Leaf wetness sensor accurately monitors trace water or ice crystal residues through changes in the dielectric constant of the leaf surface, and because it includes temperature detection, it can distinguish between water and ice crystals detected. Leaf wetness sensors are commonly used in agriculture, especially in monitoring plant diseases and precise irrigation, and can help farmers and farm managers to know whether plant leaves are affected by high humidity, so that they can take appropriate preventive measures. The Leaf wetness sensor helps farmers and farm managers to know if plant leaves are affected by high humidity, so that they can take preventive measures to reduce the occurrence of diseases.

Leaf surface temperature and humidity sensor Parameters

Leaf wetness sensor product features 

1. Fast response, stable performance and high sensitivity.

2.Detect the humidity range of fog, dew, ice and rainfall.

3. Sealed and waterproof, can be used in multiple locations.

4. Low power consumption, long-term uninterrupted detection.

Leaf wetness sensor installation

Installation is simple, the leaf temperature and humidity sensor is easy to install, just place the sensor next to the crops or leaves, use a non-metallic wire to pass through the small holes at the front of the leaf sensor, hang it through the line on the branches of the tree, and fix the device on the branches or stalks with a wire or a line, then the installation is completed.

The following are a few case studies of practical application of leaf wetness sensor:

1. Precision agriculture and irrigation management

In precision agriculture practices, the leaf wetness sensor can be used to monitor the moisture status of crop leaves to accurately determine whether irrigation is needed. For example, if the sensor detects that the leaf wetness is below a certain threshold, indicating that the crop may need water, the system can automatically activate the irrigation system to irrigate. This approach avoids over- or under-irrigation, saves water, and improves crop yields.

2. Disease prediction and control

By monitoring leaf moisture, it is possible to predict the risk of diseases that the crop may face. Under conditions of high leaf moisture, certain pathogens may be more likely to spread and infect crops. For example, leaf wetness sensors can be used to monitor the development of downy mildew in potato crops. When the sensor detects that leaf wetness exceeds a specific value, farmers can take timely action, such as applying fungicides or adjusting irrigation schedules, to reduce the incidence of the disease.

3. Meteorological research

Leaf wetness sensor can also be used in meteorological research to help scientists understand the relationship between plant leaf surface moisture and atmospheric conditions. For example, when studying evapotranspiration, crop transpiration and water evaporation can be more accurately estimated by monitoring leaf moisture and environmental factors (e.g., temperature, wind speed, humidity, etc.).

4. Plant physiological studies

Plant physiologists can use leaf wetness sensor to study the efficiency of water uptake and utilisation in plants. By continuously monitoring leaf wetness, it is possible to understand the water status of plants under different environmental conditions, and then study the physiological response mechanisms of plants. For example, to study the water regulation strategy of plants under drought conditions, or to analyse the growth performance of plants under well-watered conditions.

5. Environmental monitoring

Leaf wetness sensor can also be used for environmental monitoring, such as assessing the effects of atmospheric pollution on plant leaves. Certain pollutants may affect the transpiration and water status of leaves, and by monitoring changes in leaf wetness, we can indirectly understand the impact of pollutants on plants.

Overall, the leaf wetness sensor has a wide range of applications in the fields of agriculture, meteorology, plant physiology, and environmental sciences, helping scientists and farmers to better understand and manage the water needs and health of plants.

Leaf wetness sensor data sheet 

NBL-W-LM-Leaf-Temperature-and-Humidity-Sensor-Instruction-Manual.pdf