Product Introduction

The KH.SZ-DDM Online EC Sensor is a high-precision digital instrument designed for continuous measurement of water conductivity in rivers, lakes, reservoirs, and other freshwater systems. Using advanced electrolytic conductivity technology combined with microcontroller-based digital processing, it delivers stable, accurate, and real-time EC data with automatic temperature compensation.

Its IP68 waterproof design ensures reliable long-term operation in harsh environmental conditions. The sensor supports RS485 Modbus RTU communication, allowing seamless integration with telemetry systems, SCADA platforms, and IoT-enabled smart water monitoring networks.

This sensor is ideal for hydrological monitoring, environmental water quality assessment, flood early warning systems, and smart water management, providing reliable data for ecological studies, resource planning, and decision-making.

Key Features

• High-Precision EC Measurement
  Electrolytic conductivity technology provides accurate readings across wide ranges up to 500 mS/cm, suitable for freshwater and brackish water systems.
• Automatic Temperature Compensation
  Ensures stable measurements across 0–60°C water temperatures.
• Fast Response and Low Drift
  Stable conductivity readings within 30 seconds; fine resolution with drift ≤ ±1%.
• Long-Term Stability
  Voltage stability ±1% ensures reliable continuous operation in rivers, lakes, and reservoirs.
• IP68 Waterproof Design
  Enables continuous submersion in environmental water systems for long-term deployment.
• IoT & SCADA Integration Ready
  Supports RS485 Modbus RTU output for integration into telemetry, smart water networks, and environmental monitoring platforms.
• Compact and Robust Design
  Lightweight and durable for easy installation on monitoring poles, hydrological stations, or riverbanks.

Application Scenarios

• Rivers and Streams: Continuous conductivity monitoring for water quality assessment and ecological studies.
• Lakes and Reservoirs: Real-time water conductivity measurement for resource and environmental management.
• Hydrological Monitoring Stations: Integrated into telemetry and SCADA networks for automated monitoring.
• Flood Early Warning Systems: Supports water quality data collection for comprehensive hydrological risk assessment.
• IoT-Enabled Smart Water Networks: Seamless connectivity for remote, automated water quality management.

Technical Specifications