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SPS-DO Dissolved Oxygen Water Quality Sensor
The dissolved oxygen water quality sensor is based on the principle of fluorescence quenching. When light shines on the fluorescent material, the fluorescent material will be excited and emit red light. Since oxygen molecules can take away energy, the time of excited red light is inversely proportional to the concentration of oxygen molecules.
The dissolved oxygen concentration can be calculated by measuring the duration of red light. SPS-DO sensors can meet all the requirements of field operation and long-term or short-term tests. On the premise of not consuming oxygen, fluorescence technology can provide users with accurate measurement data for all measurement environments, especially those with low oxygen concentrations.
Parameters: DO
- Optical in-situ measurement, no actual pollution, environmentally friendly
- Fast measurement: the fastest measurement cycle is 10 second
- Long maintenance-free cycle, with its cleaning brush for cleaning
- RS485 communication mode can quickly connect to the meter controller, control the sensor
- IP68 protection grade can be used in harsh environments
- Low power consumption, can be powered by battery, convenient for equipment deployment
Specification
| Item | Specification |
|---|---|
| Principle | Fluorescence method |
| Dimension | φ30×240mm |
| Power requirements | DC+12V~+24V |
| Measurement period | 10 seconds to 65535 seconds |
| Operating temperature | 0 to 50℃ |
| Pressure | 6bar |
| Material | AISI 316L |
| Cleaning method | Cleaning brush |
| Sample flow rate | <3m/s |
| Communication | RS485(Modbus RTU), Bluethooth |
Parameter
| Parameter | Model No. | Range | Resolution | Accuracy （Standard solution） |
|---|---|---|---|---|
| DO | SPS-DO | 0 – 20 mg/L 0 – 20 ppm 0 – 200 % | 0.01 mg/L 0.1% | ±0.1 mg/L |
Application
River, watershed monitoring
Effective for influent and effluent monitoring in both domestic and industrial wastewater.
Sewage Treatment Optimization
Supports treatment process efficiency, providing actionable data for parameter adjustments.
Urban Water Networks
Monitors water quality in municipal pipe networks to ensure compliance and quality.
Environmental Water Bodies
Ideal for basin, surface water, and groundwater monitoring.
