WS102-EC
  1.  Modbus Water Electric Conductivity Sensor

WS102-EC is a smart water quality analysis sensor for Electric Conductive, which can be used to detect and distinguish pure water, mountain spring water, mineralized water, purified water, tap water, sewage, etc. At the same time built-in temperature detection, measuring range 0 ~ 80 ℃. Signal output mode supports RS485 (Modbus RTU) and 4~20mA. The Conductivity Electrode also supports M39x1.5 and G3/4 thread gauge for different installation.
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WS102-EC is a smart water quality analysis sensor for Electric Conductive, which can be used to detect and distinguish pure water, mountain spring water, mineralized water, purified water, tap water, sewage, etc.
At the same time built-in temperature detection, measuring range 0 ~ 80 ℃. The signal output mode supports RS485 (Modbus RTU) and 4~20mA. The Conductivity Electrode also supports M39x1.5 and G3/4 thread gauge for different installation.

Optional IoT Router and Cloud Platform - ThingsMaster
  • Support Modbus to connect optional NBIoT Gateway WR222 for one or many sensors
  • Real-time online monitoring, analysis, reporting
  • Remote cloud security and visual management
System Parameter
Power supply DC10-30V(Recommend 12V)
Pressure range 0~400KPa (0 – 4 Bar)
Shell material PC, PBT plastic
Cable length 5 meters (default)
Protection grade IP68
Weight 0.5kg(Without packaging)
Inspection Parameter
E.C. Measuring Range 1~2000μS/cm
E.C. Resolution 1 μS
E.C. Measuring Accuracy ±1 μS
Temperature Measuring Range 0~80.0 °C
Temperature Resolution 0.1 °C
Temperature Measuring Accuracy ±0.3°C
Temperature compensation Automatic
Data Output RS485(Modbus RTU); 4~20mA
Communication Protocol Basic Parameter
Protocol Modbus RTU
Baud Rate 9600bps, Non-Parity Check, 8 Data bits, 1 stop bit, 1 CRC
 
Address Description
Name Reg. Add. PLC Add. Data Type Length R/W Description
Conductivity Value 0x00 00 0x00 01 Float 2 R Multiply by 1000 ( Read value / 1000 = uS/cm)
Resistivity value 0x00 02 0x00 03 Float 2 R Ohm .cm
Temperature 0x00 04 0x00 05 Float 2 R Degree C
TDS 0x00 06 0x00 07 Float 2 R/W ppm or mg/L
Salinity 0x00 08 0x00 09 Float 2 R/W ppm or mg/L
Conductivity Constant 0x00 0A 0x00 0B Float 2 R/W  
Compensation Coefficient 0x00 0C 0x00 0D Float 2 R/W  
Manual compensation temperature 0x00 0E 0x00 0F Float 2 R/W  
Temperature Offset 0x00 10 0x00  11 Float 2 R/W  
Baud Rate 0x00 12 0x00 13 Float 2 R/O  
Slave Address 0x00 14 0x00 15 Float 2 R/O  
Filtered Seconds 0x00 16 0x00 17 Float 2 R/O  
Electrode Sensitivity 0x00 18 0x00 19 Float 2 R/O  
Compensation mode 0x00 1A 0x00 1B Float 2 R/O  
Model Compensation Type 0x00 1C 0x00 1D Float 2 R/O Pt1000 – 950.0 ;  NTC10K – 950.1
Firmware version 0x00 1E 0x00 1F Float 2 R/O  
4-20mA High Point Value 0x00 20 0x00 21 Float 2 R/O  
High Range Resistivity 0x00 22 0x00 23 Float 2 R/O  
Acquisition Cycle 0x00 24 0x00 25 Float 2 R/O  
Operating mode 0x00 26 0x00 27 Float 2 R/O  
Modify Baud Rate 0x0012 0x00 13 Integer 1 W 2400, 4800, 9600 (default), 19200, 38400, 43000, 57600
Modify Slave Address 0x00 14 0x00 15 Integer 1 W 1-254
Modify Filter Second 0x00 16 0x00 17 Integer 1 W 0:automatic, 1:Manual
Modify Compensation Mode 0x00 1A 0x00 1B Integer 1 W 0: Positive ; 1:Negative
Adjust Float Order 0x00 32 0x00 33 Integer 1 W 0: Positive ; 1:Negative
Modify Temperature Compensation Type 0x00 33 0x0034 Integer 1 W 0:PT1000 ; 1:NTC10K
Restore Default 0x00 64 0x0065 Integer 1 W  
Restore Baud Rate and address 0x27 0F 0x27 10 Float 2 W  
Modify 4-20mA High Point Value 0x00 12 0x00 13 Float 2 W  
Modify High range resistivity 0x00 14 0x00 15 Float 2 W  
Modify the Sensor Acquisition Cycle 0x00 16 0x00 17 Float 2 W  
Modify Operating Mode 0x00 28 0x00 29 Integer 1 W 0: Periodic Acquisition
1 Trigger Acquisition
Modify 4-20mA Coefficient 0x00 20 0x00 21 Float 2 W  
 
Installation
Thread Gauge WS102-EC-N: NPT 3/4 Thread Gauge
WS102-EC-M: M39x1.5 Thread Gauge

Electrode wiring  

•Please follow the instructions carefully, the wrong wiring will damage the product completely.
•Please carefully check all the wiring in the system and confirm that the wiring is complete right before switching on the power.
•Note: RS48SA line and RS48SB line are strictly forbidden to contact the power supply line, otherwise the communication of the electrode will be permanently damaged.

 
Model Description
WS102-EC-GN E.C. Water Sensor, 0~2000uS/cm,0~80C , 5M Cable, RS-485, 4-20mA,10-30V, G3/4 and NPT3/4
WS102-EC-M E.C. Water Sensor, 0~2000uS/cm,0~80C , 5M Cable, RS-485, 4-20mA,10-30V, M39x1.5
Package List
1 x Product Unit
1 x QIG
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