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    Soil sensor

    Soil sensorLineup and Electrical Specifications

    Lineup

    Part Number Interface Maximum cable length that can be connected to the interface Number of sensors that can be connected to the interface
    SLT5005 RS232 10 1
    SLT5006 UART 3 1
    SLT5007 RS485 300 32
    SLT5008 SDI-12 60 10
    SLT5009 RS485 (MODBUS protocol) 300 31
    • *The sensor cable length is 3 m for all part numbers. However, the cable length can be extended within the specified range for part numbers with a maximum cable length that can be connected to the interface exceeding 3 m.
    • *If more than one sensor can be connected, connect the sensors in parallel using the same cable.

    Electrical Specifications

    Electrical conductivity (EC)   Comments
    Measurement range [dS/m] 0 to 5  
    Resolution [dS/m] 0.001  
    Accuracy [％] ±3 FS
    Temperature    
    Measurement range [°C] −20 to 60  
    Resolution [°C] 0.0625  
    Accuracy [°C] ±1.0 ±1digit r.d.g
    Moisture (volumetric water content)    
    Measurement range [％] 0 to 60（ordinary soil）
    0 to 100（synthetic culture soil）    		  
    Resolution [％] 0.1  
    Accuracy [％] ±3 FS
    Swipe left or right to change screens View in landscape mode.
    Items minimum typical maximum minimum typical maximum Remark
      UART, RS232, RS485, MODBUS SDI-12  
    Voltage [V] 3.0 - 6.0 9.6 - 16  
    Working current [mA] 25 30 50 5 8.3 15 @Read/Write cycle
    Working temperature [°C] −20 - 60 −20 - 60  
    Measurement cycle [ms] Free Free  
    Dustproofing/waterproofing IP68 equivalent IP68 equivalent  
    Introductory Document and Datasheet Download

    You can download an introductory document and datasheet. The introductory document summarizes the detailed strengths of soil sensors and demonstration experiment examples. The datasheet describes the detailed uses of these soil sensors.
    Please utilize these documents when considering these products.

    Document Download
    Recommended Installation Methods for Soil Sensor Main Units

    The recommended installation methods for soil sensors and the installation procedures for soft and hard soil are explained.
    Introductory Document and Datasheet Download

    You can download an introductory document and datasheet. The introductory document summarizes the detailed strengths of soil sensors and demonstration experiment examples. The datasheet describes the detailed uses of these soil sensors.
    Sensors FAQ

    Inquiries

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