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Dissolved Oxygen Sensors

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  • SX-CDRCA Series

    The SensorsX SX-CDRCA Series is a self-cleaning dissolved oxygen sensor designed for reliable water-quality monitoring. It uses fluorescence measurement technology with a 0–50 mg/L range, RS-485/Modbus digital output, and IP68 protection. Its integrated cleaning brush helps reduce fouling and maintenance, making it suitable for wastewater treatment, aquaculture, and environmental monitoring applications.

    • Measurement Principle: Fluorescence Method
    • Measurement Range: 0–50 mg/L or 0–500% saturation
    • Accuracy: 0–20 mg/L: ±1% or ±0.2 mg/L; >20 mg/L: ±5% or ±0.6 mg/L (whichever is greater)
    • Output Interface: RS-485 / Modbus
    • Power Supply: DC 6–24 V, ≥1 A
    • Ingress Protection: IP68
    • Maximum Water Depth: 30 m
    • Operating Temperature: 0–50 °C (32–122 °F)
  • SX-CDRNA Series

    The SensorsX SX-CDRNA Series is an online dissolved oxygen sensor using fluorescence measurement technology for accurate and stable water quality monitoring. It offers a measurement range of 0–20 mg/L or 0–200% saturation, RS-485/Modbus communication, automatic temperature compensation, and IP68 protection. With no electrolyte required and low maintenance needs, it is ideal for wastewater treatment, aquatic monitoring, and other industrial water quality applications.

    • Measurement Principle: Fluorescence Method
    • Measurement Range: 0–20 mg/L or 0–200% saturation
    • Accuracy: ±1% or ±0.3 mg/L, whichever is greater
    • Output Interface: RS-485 / Modbus
    • Power Supply: DC 9–24 V, current > 50 mA
    • Ingress Protection: IP68
    • Maximum Water Depth: 60 m
    • Operating Temperature: 0–50 °C (32–122 °F)
  • SX-CDRQA Series

    The SensorsX SX-CDRQA Series is a fluorescence-based dissolved oxygen sensor designed for aquaculture and water-quality monitoring, offering a 0–20 mg/L measurement range, ±3% accuracy, built-in temperature compensation, RS-485/Modbus communication, and IP68 protection for reliable, low-maintenance long-term immersion applications.

    • Measurement Principle: Fluorescence method
    • Measurement Range: 0–20 mg/L or 0–200% saturation
    • Accuracy: ±3%
    • Output Interface: RS-485 / Modbus
    • Power Supply: DC 9–24 V, current > 50 mA
    • Ingress Protection: IP68
    • Maximum Water Depth: 30 m
    • Operating Temperature: 0–50 °C (32–122 °F)