RS485 Two-Electrode Conductivity EC CT/ TDS Sensor for Wastewater Treatment Aquaculture
Features
① High Stability & Anti-Interference
Isolated power supply design and corrosion-resistant graphite electrode ensure stable performance in high-ionic or electrically noisy environments.
② Wide Measurement Range
Covers conductivity from 10μS/cm to 100mS/cm and TDS up to 10000ppm, suitable for diverse applications from ultrapure water to industrial wastewater.
③ Built-In Temperature Compensation
Integrated NTC sensor provides real-time temperature correction, enhancing measurement accuracy across varying conditions.
④ Single-Point Calibration
Simplifies maintenance with a single calibration point, achieving 2.5% accuracy across the full range.
⑤ Robust Construction
Polymer housing and G3/4 threaded design resist chemical corrosion and mechanical stress, ensuring longevity in submerged or high-pressure installations.
⑥Seamless Integration
RS-485 output with Modbus protocol enables easy connectivity to SCADA, PLCs, and IoT platforms for real-time data monitoring.
Product Paramenters
| Product Name | Two-Electrode Conductivity Sensor/TDS Sensor |
| Range | CT: 0-9999uS/cm; 0-100mS/cm; TDS: 0-10000ppm |
| Accuracy | 2.5%FS |
| Power | 9-24VDC（Recommend12 VDC） |
| Material | Polymer Plastic |
| Size | 31mm*140mm |
| Working Temperature | 0-50℃ |
| Cable length | 5m, can be extended according to user need |
| Sensor Interface Supports | RS-485, MODBUS protocol |
| IP Rating | IP68 |
Application
1. Industrial Wastewater Treatment
Monitors conductivity and TDS in effluent streams to optimize desalination, chemical dosing, and compliance with discharge regulations.
2. Aquaculture Management
Tracks water salinity and dissolved solids to maintain optimal conditions for aquatic life, preventing over-mineralization.
3. Environmental Monitoring
Deployed in rivers and lakes to assess water purity and detect contamination events, supported by the sensor’s corrosion-resistant design.
4. Boiler/Cooling Systems
Ensures water quality in industrial cooling circuits by detecting scaling or ionic imbalances, reducing equipment corrosion risks.
5. Hydroponics & Agriculture
Measures nutrient solution conductivity to optimize fertilization and irrigation efficiency in precision farming.
