ES103-Soil-RS485
  1.  Soil Doctor- Smart Agriculture Monitoring for Soil 3 Elements, RS485 or USB for Android Mobile phone

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Multi-Parameter Measurement 
  • Soil moisture content, conductivity, temperature, Salinity, TDS, Die-Electric Constant
  • Supports Temperature Compensation–EC, Salinity , TDS
Fully Sealed, Durability, Widely Application
  • Special treated alloy material for electrode x 3 , 316 stainless
  • IP68 fully sealed, resistant to acid-alkali corrosion for long term dynamic detection in soil, or fully submerged in soil with water
  • Low power consumption with 10-30V wide operating voltage
  • 2-wire RS485 Modbus RTU communication
Optional IoT Router and Cloud Platform - ThingsMaster
  • NB-IoT / Cat.M1 Modbus RTU Gateway –SCB111-485
  • LTE Cat.4/ Ethernet to Modbus RTU Gateway – WR222
  • Remote cloud security and visual management
  • Solar/ Battery Pack Support with SCB111-485
​Specifications
 
Soil Measuring Parameters
Electro-Conductivity (E.C.) Measuring Range: 0~20000uS. /cm
Resolution: 10uS/cm (1~10000uS); 50uS/cm (10000~20000)
Accuracy: ± 3% (0~10000uS/cm at Full. Scale.)
                  ± 5% (10000~20000uS/cm at Full Scale)
Temperature compensation: 0~50˚C
Soil Moisture Measuring Range:0~100%; FDR (Frequency Domain Reflectometry)
Resolution: 0.03% (< 50% F.S.), 1%(>50% F.S.)
Accuracy: ± 2% (< 50% F.S.)
                  ± 3% (> 50% F.S.)
(Brown Soil, 60% Humidity, 25˚C soil temperature.)
Soil Temperature Measuring Range: -40~80˚C
Resolution: 0.1˚C
Accuracy: ±0.5˚C at 25 ˚C
System operating specification
Operating Power RS485 Model: 12/24V (Typical), rating 10~30Vdc;
Power consumption: 0.3W at DC24V
Operating Temperature -40˚C~85˚C; 0~80%RH; Kernel processer up to 85˚C
Physical parameters Electrode Probe length: 70 mm ; Probe diameter 3mm
Sealing material: Epoxy resin (Black flame retardant)
Cable length: standard 2 meters (RVV 4 * 0.3) 
Protection class: IP68
Dimension (mm.) 45x15x149 (electrode included); Electrode Length: 70mm
Dimension, Wiring

Dimension with Electrode

Cable wiring code
Cable wiring code

Farmland measurement installation, Android System
Farmland measurement installation, Android System
Integrated with IoT Gateway

Integrated with IoT Gateway
Device Register Information
 
Modbus Register Information (Only for RS485 Modbus Model)
Parameters Function Register Add. (HEX/DEC) PLC Add.
(Index Number)		 Note
Modbus RTU Device Control Register
RTU Device ID 0x0200/ 512 513 Factory Default RTU ID:01, Available Range: 1~254
Modbus Baud Rate 0x0201 / 513 514 0:1200; 1:2400; 2: 4800; 3:9600 (Default); 4:19200; 5:38400 /bps
Baud Rate, No Parity Check, 8 bits, 1 parity check
Modbus Type 0x0202 / 514 515 0:Modbus RTU protocol (Default); 1:Modbus ASCII
Parity Check 0x0203 / 515 516 0: No Parity Check (Default);
1: Even;  2:Odd
Data bit 0x0204/ 516 517 1: 8 bits (unchangeable)
Stop bit 0x0205/ 517 518 0: 1 stop (default) ; 1: 2 stop /bit
Response Delay 0x0206/ 518 519 0~255: the number should be multiplied by 10 to determine the delay time in m.S.
Default value is 0, no response delay.
Actively send data 0x0207/ 519 520 0~255 second, default: 0, disable
Soil Sensor Register Table
Temperature 0x0000 / 0 1 Function Code: 3/ 4; INT 16, R/O;
(-4000~8000 ) /100= - 40.00~80.00˚C
Humidity 0x0001 / 1 2 Function Code:3/ 4, UNIT 16, R/O; (0~10000) / 100 = 0~100% Humidity
Electric Conductive 0x0002 / 2 3 Function Code:3/ 4, UNIT 16, R/O; 0~20000 (0~20000us/cm)
Salinity 0x0003/ 3 4 Function Code:3/ 4, UNIT 16, R/O; 0~20000 (0~ 20000mg/L)
Total Dissolved Solid (TDS) 0x0004/ 4 5 Function Code:3/ 4, UINT 16, R/O;
0~20000 (0~20000mg/L)
Permittivity Constant 0x0005/ 5 6 Function Code:3/4, UNIT 16, R/O;
0~8200 (0.00~82.00) F/m
Soil Type 0x0020/ 32 33 Function Code:3/6/16, UNIT 16, R/W;
0:Mineral Soil, 1:Sandy Soil, 2:Clay, 3:Organic Soil (default 0: mineral soil)
Temperature Symbol 0x0021/ 33 34 Function Code:3/6/16, UNIT 16, R/W;
0: Celsius ( ˚C); 1:Fahrenheit (˚F)
Default “0”
Temperature coefficient of conductivity 0x0022 / 34 35 Function Code:3/6/16, UNIT 16, R/W;
0~100 corresponding to 0.0% ~ 10.0%
Default 20 (2%)
Temperature coefficient of salinity 0x0023/ 35 36 Function Code:3/6/16, UNIT 16, R/W;
0~100 corresponding to 0.00% ~ 1.0%
Default 55 (0.55)
Temperature coefficient of T.D.S. 0x0024/ 36 37 Function Code:3/6/16, UNIT 16, R/W;
0~100 corresponding to 0.00% ~ 1.0%
Default 50 (0.5)
Ordering Information
Model Description
ES103-Soil-485 Soil Sensor, Temp/Humidity/EC, Modbus RS-485 2-wires,2 meters cable, DC 10~30V
  Package List
1 x Sensor Device
1 x QIG
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