Features
- High performance: high accuracy, fast response, good repeatability
- Universal protocol: MODBUS RS485, 0-2V
- Wide-range power supply: 3.9V ~ 30V
- Robustness: suitable to be immersed in water for a long time
- Durable: anti-corrosion, automatic temperature compensation
- User-friendly: Easy to install and integrate
The EC & TDS Sensor measures the conductivity, salinity, and total dissolved solids (TDS)  in a liquid. The output signal can be RS485 or Analog Voltage. Determining the conductivity, salinity, and TDS of a liquid has many important applications. The EC & TDS Sensor is widely used in monitoring water quality.
The EC & TDS Sensor was designed with industry standards. And this EC & TDS Sensor (version B) comes with a waterproof aviation connector. It is designed with ATC (automatic temperature compensation), making sure the data is accurate regardless of the temperature changes. This EC & TDS Sensor is IP65 rated, waterproof in a tight seal, capable of withstanding long-term constant use in professional application scenarios. It comes with a cover that is rated IP68.
This EC & TDS Sensor has a MODBUS-RTU RS485 serial communications protocol or 0-2V output. It can be easily connected to and integrated with other devices such as data-loggers, controllers, and displays, etc. This cost-effective EC & TDS Sensor features low-power consumption, compact size, portability, and high integration, making it widely applicable in both indoor and outdoor environments.
Applications
- Hydroponics and Aquaponics
   
Specifications
 
| Output Interface | Analog 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; 100000-20000us/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:5 meters | 
| Dimension | Electrode:1/2"NPT screw threads Transmitter:128*70*42mm | 
    
Dimensions
    

 
Wiring Diagram

