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RK500-13 Type-B Online Electrical Conductivity （EC）Sensor

  • NG # 04317-HW-RIK-006

The RK500-13 Online EC/Salinity Sensor is a high-precision water quality monitoring device designed to measure electrical conductivity (EC) and salinity in real time. It features strong anti-interference capability, fast response, and durable construction, making it ideal for applications such as aquaculture, environmental monitoring, and wastewater treatment.

Manufactured By :
Rika Sensor
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Need Help Ordering?
Call +88 01714243446

Stock

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Overview

The RK500-13 Online EC/Salinity Sensor is an advanced solution for continuous liquid conductivity and salinity measurement in industrial and environmental applications. Built with anti-polarization technology and internal signal isolation, the sensor ensures stable and accurate readings even in complex conditions. Its robust design provides excellent resistance to interference and corrosion, allowing reliable long-term operation with minimal maintenance.

This sensor supports real-time monitoring with a rapid response time, enabling users to detect changes in water quality instantly. The integration of both 4–20mA and RS485 outputs allows seamless connection with various control and monitoring systems. With automatic temperature compensation, the RK500-13 maintains measurement accuracy across varying environmental conditions.

Widely used in aquaculture, water treatment plants, sewage systems, and environmental monitoring projects, the sensor offers flexibility with customizable measurement ranges and easy installation options. Its IP68 protection rating ensures reliable performance even in harsh and submerged environments, making it a dependable choice for professionals requiring precise and continuous water analysis.

Specification

  • Model: RK500-13 Type-B
  • Measurement Parameters: Electrical Conductivity (EC), Salinity
  • Measurement Range:
    • 0–2000 µS/cm
    • 0–5000 µS/cm
    • 0–10000 µS/cm
    • 0–20000 µS/cm (customizable up to 0–300 mS/cm) 
  • Accuracy: ±1% FS 
  • Resolution: 0.01 mS/cm 
  • Response Time: 1 second 
  • Principle: Frequency conversion method 
  • Output Signal: 4–20mA & RS485 (simultaneous) 
  • Power Supply: 7–30 VDC 
  • Power Consumption: <0.2W 
  • Temperature Compensation: Automatic (0–60°C) 
  • Operating Temperature: 0–60°C (customizable for higher range) 
  • Pressure Resistance: Up to 1.0 MPa 
  • Drift: ≤0.3% FS / 24h 
  • Material: Nylon fiber + 316 electrode 
  • Protection Rating: IP68 
  • Cable Length: 5m (default, customizable) 
  • Installation: Submersible or direct immersion 
  • Applications: Aquaculture, water source testing, sewage treatment, environmental monitoring

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