Fluorescence Dissolved Oxygen Sensor - RDO-200
• DO range: -20mg/L 0-20 mg/L or 0-200% saturation
• Reaction time: 10 sec
• Degree of protection: IP68
• DO accuracy: ±1%
• Sensor drift: <1% per year
• Temperature range: 0 ~ 50℃
• Temperature accuracy: ±0.2℃
• Sensor interface: RS-485, MODBUS
- Quantity:
- - +
Product Specification
RDO-200 Dissolved Oxygen Sensor Application
Widely used in online dissolved oxygen monitoring for power plant, chemical, industrial wastewater, pharmaceutical, biochemical and water treatment industry.
RDO-200 Dissolved Oxygen Sensor Feature
• 0-20mg/L or 0-200% saturation
• 0 ~ 50 ℃; IP68 protection rating
• No film, no electrolyte, not polarization
• No consumption of oxygen, the flow rate is not affected
• Built-in temperature sensor, automatic temperature compensation
• Chemical interference from sulfide
• In drift, fast response, more accurate measurements
• Maintenance-free longer applicable period, lower cost
• Fluorescent cap replacement is simple
• Supports RS-485, MODBUS protocol
RDO-200 Dissolved Oxygen Sensor Measuring principle:
luminescent dissolved oxygen sensor is based on a specific matter physics quench the fluorescence of the active principle. From a light-emitting diode Blue light (LED) in the fluorescence emitted by the phosphor surface of the cap, the inner surface of the fluorescent substance is excited, emit red light, by detecting the phase difference between the red and blue, and with internal calibration values and compared to calculate the concentration of molecular oxygen, temperature and pressure through the automatic compensation output a final value.
RDO-200 Dissolved Oxygen Sensor Technical instructions
DO range |
-20mg/L 0-20 mg/L or 0-200% saturation |
Reaction time |
10 sec |
Degree of protection |
IP68 |
DO accuracy |
±1% |
Sensor drift |
<1% per year |
Temperature range |
0 ~ 50℃ |
Temperature accuracy |
±0.2℃ |
Sensor interface |
RS-485, MODBUS |
Assembly |
6 points straight thread, immersive installation |
Power information |
DC 5.5V +/-10%, current <50mA |
Temperature sensor |
NTC |
Housing diameter |
26mm |
Housing length |
177.5 mm |
Probe cable length |
10m, optional 5 m, 15 m and 30 m cable |
Calibration |
One or two calibration |
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