EC-100 Digital Conductivity Probe
Digital conductivity sensor (1 µS/cm - 20 mS/cm, K=1) with two-graphite electrodes. RS485 output for industrial water monitoring.
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Product Highlights
View all in Specifications tabOverview
The EC-100 is an advanced digital conductivity electrode featuring two-graphite sensor technology designed for measuring electrical conductivity (EC) and Total Dissolved Solids (TDS) in industrial water, groundwater, tap water, and general water quality applications. Available with selectable cell constants (K=0.1, K=1.0, K=10.0), this probe covers a wide measurement range from 0.2 µS/cm to 100 mS/cm depending on the selected K value.
Key Features
- Digital Technology: Superior accuracy and stability with built-in digital processing
- Two-Graphite Electrode: Durable electrode material with excellent chemical resistance
- Wide Measurement Range: 0.2 µS/cm to 100 mS/cm (varies by K value) covering most water applications
- Digital Output: RS485 Modbus RTU for seamless integration with SCADA and IoT systems
- Automatic Temperature Compensation: Integrated sensor ensures accurate readings across 0-60°C
- Direct Connection: Connect directly to computer or PLC without additional instrumentation
- High Protection: IP68 waterproof rating ensures reliable operation
Applications
- Industrial process water monitoring
- Groundwater quality assessment
- Municipal tap water monitoring
- Drinking water treatment plants
- Environmental water testing
- Aquaculture water management
- Hydroponics nutrient solution monitoring
- Cooling tower water treatment
- General water quality applications
Technical Specifications
The EC-100 delivers precise conductivity measurements with ±1.0% F.S. accuracy and automatic temperature compensation across 0-60°C. The two-graphite electrode design provides excellent long-term stability and resistance to fouling, making it ideal for continuous monitoring in various water applications.
Digital signal processing eliminates noise and interference, providing stable and reliable measurements even in electrically noisy industrial environments.
Connectivity and Integration
With its RS485 Modbus RTU interface, the EC-100 seamlessly integrates into modern SCADA systems, IoT networks, and industrial automation platforms.
The probe operates on 7-24V DC power supply, making it compatible with standard industrial power systems.
Understanding Cell Constant
The EC-100 supports three selectable cell constants to match your application:
- K=0.1 (0.2-200 µS/cm): Ultra-pure water, deionized water, boiler condensate
- K=1.0 (2-10,000 µS/cm): Drinking water, groundwater, tap water, general process water
- K=10.0 (20-100,000 µS/cm): Wastewater, brackish water, high-TDS industrial streams
Installation Notes
The compact design allows for easy installation in tanks, pipes, and process equipment. The 4-wire terminal connection ensures secure signal transmission and reliable operation. The graphite electrode material provides excellent chemical resistance and minimal maintenance requirements.
Advantages of Digital Technology
- Superior noise immunity in electrically harsh environments
- Enhanced long-term stability and minimal calibration drift
- More accurate temperature compensation
- Simplified installation with reduced wiring complexity
- Real-time diagnostics and status reporting
- Better repeatability and precision
Related Guide: How to Choose an EC Probe for Aquaculture & Hydroponics
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