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Fluorescence Dissolved Oxygen Sensor – IP68 Waterproof, MODBUS/RS485, Maintenance-Free for Aquaculture & Environmental Monitoring
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Fluorescence Dissolved Oxygen Sensor – IP68 Waterproof, MODBUS/RS485, Maintenance-Free for Aquaculture & Environmental Monitoring

Measuring Range: 0–20 mg/L or 0–200% saturation, Accuracy: ±0.3 mg/L or ±5%
Fluorescence burst principle, green LED excitation, maintenance-free, no oxygen consumption
Built-in temperature sensor with automatic compensation, Response Time: 90s
Communication: MODBUS/RS485; intelligent diagnostic outputs
Material: 316L stainless steel, IP68, max depth 10 m underwater, easy installation
Power: 12–24V DC, Power Consumption: 0.3 W
Calibration: Zero, Oxygen Saturation, Low Concentration, Slope Calibration
 
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  • PT-DY05

  • TOP

Fluorescence method dissolved oxygen sensor, according to the green light excitation fluorescence life detection technology, from the light-emitting diode (LED) green light irradiation to the fluorescent material to make the fluorescent material excitation of red light, due to the burst effect of the oxygen molecules in the water, the fluorescence life of the excitation of the red light and the concentration of dissolved oxygen in the water is inversely proportional to the dissolved oxygen concentration in the water can be calculated through the determination of the excitation of the red fluorescence life of the dissolved oxygen concentration in the water.


It can be used for the determination of dissolved oxygen in various water bodies such as aquaculture, water source monitoring, sewage treatment and environmental monitoring.


Product Features

1. Green light excitation fluorescence life detection technology, no electrolyte, maintenance-free, stable and reliable measurement.  

2. No oxygen consumption, no flow rate and stirring requirements.

3. Built-in temperature sensor with automatic water temperature compensation function.

4. Support MODBUS/RS485.

3. Built-in protection circuit to enhance anti-interference ability to adapt to complex environment.

4. Simple and easy-to-use communication protocol, able to output more electrode diagnostic information, more intelligent.

5. Low power consumption design to cope with more occasions of use, internal memory can save calibration and setting information in case of power failure.

6. 316L shell, strong corrosion resistance, 3/4 back thread, easy to install.

7. IP68, can work underwater for a long time.


Project

Detailed parameters

Principle of operation

Fluorescence burst principle

Measuring range

0~20mg/L or 0~200% saturation

Measurement Accuracy

±0.3mg/L or ±5%

Response time

90s

Working Temperature

0~45℃

Temperature Accuracy

±0.5°C

Storage Temperature

-10~55°C

Communication Interface

MODBUS/RS485

Protection class

IP68

Maximum depth

Underwater 10 metres

Power supply

12~24VDC

Power Consumption

0.3W (12V supply)

Calibration method

Zero calibration: Oxygen-free water calibration

Mounting method

Oxygen saturation calibration: saturation 100%

Cable length

Low concentration calibration: low concentration offset

Fluorescent cap life

Slope calibration: arbitrary point calibration

Main Material

Countersunk mounting (G3/4 male thread)

Dimensions

8 metres (other lengths available on request)


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ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.

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