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Digital Fluorescent Dissolved Oxygen Sensor

Digital Fluorescent Dissolved Oxygen Sensor

Cost-effective plastic-housing DO sensor for aquaculture, surface water, and wastewater applications. Adopting the fluorescence quenching measurement principle, this sensor features an integrated plastic housing and self-developed fluorescent membrane as core component. It requires no electrolyte and infrequent consumable replacement. Boasting excellent resistance to oil contamination and signal interference, the product delivers stable long-term on-line operation and fits diversified application scenarios including surface water, wastewater and aquaculture, balancing practical performance and outstanding cost efficiency.
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Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of digital fluorescent dissolved oxygen sensor in China. Welcome to buy high quality digital fluorescent dissolved oxygen sensor in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.

 

Technical Specifications

Measuring Range 0 – 20.0 mg/L
DO Resolution 0.01 mg/L
DO Accuracy ±0.4 mg/L
Response Time 60 s
Temperature Accuracy ±0.5°C
Repeatability ≤0.4 mg/L
Housing Material Engineering Plastic
Ingress Protection IP68 (Probe)
Operating Temperature -20 – 50°C
Calibration Method Single-point or Two-point
Communication RS485 / Modbus Protocol
Weight 150 g

 

Features

  • High Measurement Accuracy & Stability

Equipped with self-developed fluorescent membrane and based on fluorescence quenching principle. Oxygen-consumption free with built-in automatic temperature compensation, effectively ensuring precise readings to meet diverse accuracy requirements

  • Low Maintenance & Cost Saving

Electrolyte-free and polarization-free design eliminates frequent consumable replacement, greatly cutting maintenance workload and featuring superior durability compared with conventional sensors

  • Wide Compatibility & Easy Integration

Constructed with engineering plastic housing for favorable cost performance, standard equipped with RS485 & Modbus protocol. Widely applicable for aquaculture, environmental water treatment and other fields.

 

Applications

  • Surface Water: Rivers, lakes, reservoirs, drinking water sources
  • Sewage Treatment: Biochemical tanks, aeration tanks of municipal & industrial WWTPs
  • Aquaculture: Pond farming, industrial RAS, seedling breeding farms
  • Environmental Monitoring: Water quality stations, circulating water monitoring, environmental equipment
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