The EC & TDS Sensor measures conductivity, salinity, and TDS with automatic temperature compensation. With IP68 protection, RS485 output, and low power use, it’s perfect for reliable water quality monitoring.
The EC & TDS Sensor with hook-up wires measures electrical conductivity (EC), salinity, and total dissolved solids (TDS) in liquids, making it ideal for monitoring water quality in a wide range of applications.
Built to industry standards, the sensor includes automatic temperature compensation (ATC) to ensure accurate readings regardless of temperature changes. The electrode is IP68-rated, while the transmitter is IP65-rated, offering waterproof protection for reliable, long-term use in professional environments.
The sensor supports MODBUS-RTU RS485 communication and 0–2V analogue voltage output, allowing easy integration with data loggers such as the SenseCAP S2100 – LoRaWAN Data Logger, converters, and display systems. Compact, energy-efficient, and cost-effective, this EC & TDS sensor provides a dependable solution for continuous, accurate water quality monitoring.
Features
- High Performance: High accuracy, fast response, and stability
- Universal Protocol: MODBUS-RTU RS485 and 0~2V Analogue Voltage
- Wide-range Power Supply: Can be powered with supply voltage within 3.9V ~ 30V
- Strong Robustness: Suitable to be immersed in water for a long time, anti-corrosion, automatic temperature compensation
Specifications
| Output Interface | Analogue Voltage 0-2V (Output resistance ~0ohm)
RS485 Modbus-RTU |
| Power Supply | 3.9-30V/DC 3.9-30V/DC |
| Power Consumption (Idle) | 40mA@24V DC 40mA@24V DC |
| Power Consumption (Max) | 80mA@24V DC 80mA@24V DC |
| Start-up Time | < 2 seconds |
| EC Measurement | Isolated Sensor Input, Range: 0 – 20000us/cm Resolution: 0-10000us/cm, 10us/cm; 10000-20000us/cm, 50us/cm Accuracy: 0-10000us/cm, ±3%; 10000-20000us/cm, ±5% EC temperature compensation: 0-50°C |
| Temperature Measurement | Range: -40~80°C, Resolution: 0.1°C, Accuracy: ±0.5°C |
| IP Ratings | Electrode: IP68
Transmitter: IP65 |
| Operating Temperature | -40 ~ +85°C |
| Installation | Electrode: 1/2’NPT screw threads
Transmitter: Mounting hole |
| Cable Length | Power and Signal Cable: 2 meters or Customize Electrode Cable: 10 meters |
| Dimension | Electrode: 1/2’NPT screw threads Transmitter: 128*70*42mm |
| Supplier Code | 314990634 |
Wiring Diagram
Resources
- Dimensions
- User Manual
- RS232 vs RS485 – Differences
Package Contents
- 1x Industrial EC & TDS Sensor MODBUS-RTU RS485
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