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Product Details
Product Overview
The tubular soil moisture monitor is a sensor developed based on the dielectric constant principle, which can quickly, accurately and comprehensively monitor the moisture and temperature content of different soil layers. The number of monitoring layers of this sensor supports customization, and the minimum can measure the temperature and humidity of three layers of soil, and the maximum can measure the temperature and humidity of ten layers of soil.
This product can quickly and comprehensively understand the soil moisture information, provide decision-making support for drought relief, and minimize disaster losses. The product adopts standard Modbus-RTU485 communication, with a maximum communication distance of 2000 meters, and supports secondary development.
The product is suitable for agricultural and rural bureaus, universities, scientific research institutes, water conservancy bureaus, environmental protection bureaus, enterprises and institutions.
Product Features
1. The outer shell is made of PVC plastic tube, and the internal high-frequency detection wave of nearly 1GHz can penetrate the plastic tube and effectively sense the soil environment.
2. It is not affected by salt ions in the soil, and agricultural activities such as fertilizers, pesticides, and irrigation will not affect the measurement results, and the data is accurate.
3. The sensor's electrodes are not in direct contact with the soil, avoiding interference of electricity on the soil and plants in the soil.
4. The product adopts the standard Modbus-RTU485 communication mode, with a maximum communication distance of 2000 meters.
5. Supports 10-30V wide voltage charging.
6. The integrated type can monitor the temperature and humidity of four layers of soil at the same time.
Technical parameters
1. Working temperature: -40℃-80℃
2. Soil moisture: 0～100% (±5%)
3. Soil temperature: -15℃～35℃ (±0.5℃)
4. Measurement point spacing: 10cm
5. Power supply: 10-30V wide DC power supply
6. Housing: PVC plastic pipe
7. Protection level: IP68 for the part below the ground
8. Output signal: RS485 (Modbus protocol)
9. Power consumption: 0.9W for four layers
Equipment installation instructions
1. Use a soil drill to drill holes in the appropriate position
1.1 Place the soil drill vertically on the ground, hold the handle tightly with both hands, press down clockwise and turn slowly. (Note: Do not use too much force, be sure to turn slowly for several more turns to prevent the drill bit from running off and hitting the hole crooked)
1.2. Take the soil drill out of the hole, put it in a bucket, and collect the soil in the soil drill into the bucket for the next step and mud. (Note: The first drilled soil is not collected because of too many impurities)
1.3. Repeat the above drilling and soil extraction, and try to gently put the sensor into the hole (do not force the device to touch the bottom) to test whether the hole depth is appropriate; if there is a jam, use the soil drill to correct it to ensure that the sensor is smoothly inserted and removed; until the hole depth is flush with the installation position marked by the sensor, the drilling is completed
2. Make mud
2.1 Pick out impurities, stones, grass roots, and soil blocks that are not easily dissolved in the soil extracted by the soil drill. Rub the soil finely to make mud
2.2 Pour in an appropriate amount of water and stir thoroughly until it becomes viscous; loam mud is generally not thicker than "sesame paste"; mud is complete
3. Grouting installation
3.1 Slowly pour the mud into the hole, about 1/2 of the hole; it can be increased or decreased as appropriate according to the actual situation
3.2 Slowly put the sensor into the hole, slowly turn it in one direction and press it down. Too fast speed may cause bubbles to not be completely discharged (Note: Do not pull up the sensor during the rotation and pressing process to prevent gas from being sucked into the hole again)
3.3 When the sensor is installed to the correct depth, some mud will overflow around the device, and the grouting is completed; at this time, the sensor installation depth is flush with the hole (Note: remove the excess mud outside 3CM around the sensor to prevent caking and affecting water infiltration)
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