WS102-TDS

WS102-TDS is a smart water quality analysis total dissolved solid sensor, 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 ~ 60 ℃. Signal output mode supports RS485(Modbus RTU) and 4~20mA.
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The Water Quality Sensors can be applied in general water treatment, sewage treatment, aquaculture, surface water monitoring, environmental protection engineering, cooling tower circulating water, beverage, and food, industrial sewage discharge monitoring, etc. 

WS102-TDS is a smart water quality analysis Total Dissolved Solid sensor, 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 ~ 60 LC. The sensor supports analog 4-20mA and   RS-485 (ModBus RTU) for user application , and 2 types of  thread 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 Anti-Corrosion
Cable length 5 Meters, or customize length by request
Protection grade IP-68
Weight 0.5kg (Without packaging)
Install Thread WS102-TDS-M: M39 x 1.5 ;  WS102-TDS-N: NPT 3/4
Inspection Parameter
TDS Range 0~1000 ppm ≈ 0 ~ 2000μS/cm
TDS Resolution 0.01μS/cm
TDS Accuracy ≤± 3% Full Scale
Temperature Range 0~60 LC
Temperature Resolution 0.1LC
Temperature Accuracy ±1 LC Full Scale
Temperature Compensation Automatic
Output RS-485A/B 2-Wires (Modbus RTU); 4~20mA, 1% Full Scale Accuracy
Communication Protocol Basic Parameter
Protocol Modbus RTU
Data bits 8 bits
 
Parity bit No
Stop bit 1
Error Detecting Code CRC
Baud Rate 9600bps(Default)
 
Address Description
Name Register
Addr.
PLC
Addr.
Data
Type
Length R/W Description
Temperature 0x 00 04 40005 Float 2 R Storage location for measured temperature
TDS 0x 00 06 40006 Float 2 R Storage location for measured value
Current output 0x 00 20 40033 Float 2 R Output current based on TDS measurements
Band Rate 0x 00 12 40019 Float 2 R 2400 , 4800 , 9600(Default)
19200 , 38400
Slave ID 0x 00 14 40021 Float 2 R Default Value:1;1~254
Band Rate 0x 00 12 40019 Signed 1 W 2400 , 4800 , 9600(Default)
19200 , 38400
Slave ID 0x 00 14 40021 Signed 1 W Default Value:1;1~254
Restore factory 0x 00 64 40101 Signed 1 W  

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-TDS-GN

Total Dissolved Solid Sensor, 0~1000ppm, TEMP. MEASURING RANGE: 0~60°C, 5 METER CABLE, RS485 MODBUS, 10-30V POWER, G3/4 and NPT3/4

WS102-TDS-M
 
Total Dissolved Solid Sensor, 0~1000ppm, TEMP. MEASURING RANGE: 0~60°C, 5 METER CABLE, RS485 MODBUS, 10-30V POWER, M39x1.5
  Package List
1 x Product Unit
1 x QIG