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SenseCAP Wireless LoRaWAN Soil Temperature, VWC & EC Sensor

  • $399.00
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    SenseCAP Wireless LoRaWAN Soil Temperature, VWC & EC Sensor

    SenseCAP Wireless VWC, Temperature and EC Sensor measures soil volumetric water content (VWC), temperature, and the electric conductivity of Soil. The device consists of a 3-in-1 sensor, a LoRaWAN module, a custom battery, and an IP66 enclosure, optimized for outdoor use that requires reliable data collection over years.


    • High Performance: high accuracy, reliability, and stability
    • Enables Data Transmission with LoRaWAN
    • Compact Design: 3-in-1, soil moisture, temperature, and EC sensor
    • Industrial-grade Robustness: IP66 rated, suitable for long-term applications.
    • Strong Anti-interference: made of flame-retardant epoxy resin.
    • High Durability: anti-corrosion, with excellent performance for long-term use
    • IP66 Certified
    • User-friendly: easy to use, install and integrate 
    • Support LoRaWAN protocol Class A
    • High reliability and stability
    • Ultra-wide-distance transmission: 10km in the line-of-sight scenes, 2 km in urban scenes
    • Battery life ≥ 6 years

    The Sensor measures the volumetric water content(VWC), the Soil temperature, and the electrical conductivity (EC). The VWC is used to determine the amount of water stored in the soil. Electrical conductivity can be used to determine the level of salts in soil (salinity). These parameters are very important indicators of soil fertility and health, which ultimately affect the plants that grow in them. High soil salinity will make it difficult for plants to consume water even with a high moisture level in the soil. This will ultimately "burn" the plants. Meanwhile, too much moisture in the soil is not only bad for the plants but also wastes water and adds extra burdens on our planet.

    Plants grow best in their preferred environment, at the optimal ranges of soil moisture, temperature, and EC level. It is important for growers to get access to the data of these parameters, to get insights on what actions need to be taken to ensure plant health and higher yield.

    This Soil Moisture & Temperature & EC LoRaWAN Sensor is designed with industry standards, featuring high precision and high sensitivity and durability. It has a LoRaWAN module to transmit collected data over long distances without cables. Incorporating three sensors (soil moisture sensor, soil temperature sensor, and soil electrical conductivity) into one, with auto temperature compensation, this sensor ensures the accuracy of measurements regardless of the environmental changes. 

    By measuring the dielectric constant of the soil, it can measure the soil VWC (volumetric water content) regardless of various soil types. The measurement conforms to current international standards for soil moisture measurement.

    The stainless-steel probe can be permanently inserted in the soil with quick testing for long-term use. This soil sensor is IP66 rated, very robust and durable, suitable to be applied at long-term monitoring of soil moisture, temperature, and electrical conductivity at scientific experiments, water-saving irrigation, gardening, greenhouses, outdoor farming, horticulture, golf turf management, forestry, precision agriculture, and other professional environmental monitoring scenarios. It can also be applied in the water, nutrient solution, and other kinds of substrates where the EC level is needed.

    This device incorporates a built-in LoRa transmitter based on SX1276 for long-range transmission, the 3-in-1 sensor, and a custom battery. It is specifically designed and optimized for use cases powering end devices by batteries for years. To minimize the power consumption, the device wakes up, transmits the collected soil moisture and temperature data to the gateway, and then goes back to sleep.


    Under the best of circumstances, the battery is expected to last for more than 6 years, depending on environmental factors and the data transmission intervals. Please kindly note that the default interval is once per hour. If you'd like to change the data upload interval, please refer to this document

    To fit in adverse conditions, the LoRaWAN Module is designed with industry standards and equipped with an IP66 waterproof enclosure, protecting the device from UV radiation, rain, and sunlight exposure. 

    The SenseCAP Sensor adopts a modular design, integrating the data logger with the sensor probe, which can be replaced by other SenseCAP sensor probes.

    SenseCAP Sensor + Other LoRaWAN Gateway Architecture


    The sensor can be used for different environmental monitoring scenarios some examples are:

    • water-saving irrigation
    • gardening
    • greenhouses
    • outdoor farming
    • horticulture
    • golf turf management,
    • forestry,
    • precision agriculture
    Besides being used in the soil, the sensor can also be used in water and nutrient solutions.


    Soil Temperature


    -40 ℃ to +80 ℃



    ±0.5 ℃



    0.1 ℃




    From completely dry to fully saturated (from 0% to 100% of saturation)



    ±3% ( 0 to 51 %); ±5% ( 50 to 100 %)



    0.1 %(0 to 50%); 0.3%(51 to 100%)


    Soil Salinity


    0 to 23000uS/cm


    ±5% from 0~7000uS/cm
    ±15% from 7000~23000uS/cm




    General Parameters

    Product Model

    LoRa-S-AS923-Soil Temp&VWC&EC-01



    Ultra-low-power MCU


    Support Protocol

    Based on LoRaWAN v1.0.2 protocol


    LoRa Channel Plan



    LoRa Power Output

    16 dBm (EIRP)



    -136.5dBm(SF12, BW125KHz)


    Current Consumption

    5 μA (sleep mode)

    120 mA max(active mode)


    Communication Distance

    2 to 10 km (depending on different antennas and environments)


    Measuring Area

    A cylinder area (with the probe as the center, diameter: 7cm, height: 7cm)


    IP Rating



    UV Resistance

    anti-aging (from rain/sun exposure): UL746C F1


    Enclosure Material



    Operating Temperature

    -40 ℃ to +60 ℃


    Operating Humidity

    0 to 100%RH (non-condensing)


    Device Weight






    Battery (Contained in equipment)

    Battery Life

    ≥ 3 years (upload data once per hour)


    Battery Voltage



    Battery Capacity

    19Ah (non-rechargeable)


    Technical Details

    The device is designed with a fixed LoRa channel, which can not be modified by users. The supported channels are as follows. Please refer to this document for how to connect this device with a LoRaWAN gateway.


    Part List

    Part List
    1 Sensor x1
    2 Bracket x1
    3 M4 Self-drilling Screw x4
    4 M3 Self-drilling Screw x2

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