hangfeng
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The Oil-in-Water Sensor is an intelligent sensing device specially designed for accurate monitoring of oil content in water bodies. It adopts internationally advanced ultraviolet fluorescence detection technology as its core, equipped with a high-brightness laser light source to greatly enhance the intensity and stability of excitation light. Combined with an optimized optical detection structure, it achieves lower turbidity interference, and can accurately capture trace oil fluorescence signals even in high-turbidity water environments, eliminating detection deviations caused by turbidity interference.
Meanwhile, the device integrates a professional internal bubble elimination design. Through dual technologies of physical defoaming and signal shielding, it effectively captures and removes suspended bubbles in water, completely avoiding bubble interference with excitation light transmission and fluorescence signal acquisition. This guarantees the stability and accuracy of monitoring data.
Relying on the unique optical properties of oil substances, the sensor realizes rapid, accurate and non-destructive monitoring of trace oil content in water. It is widely applied in multiple fields including environmental water quality monitoring, petrochemical industry, aquaculture, tap water treatment, and sewage discharge control, providing reliable data support for water oil pollution prevention and control.
Product Features
Adopts unique optical and electronic filtering technology with excellent operational stability.
Effectively eliminates environmental interference on measurement results.
Built-in automatic cleaning brush removes oil fouling interference on detection.
Supports multiple optional signal output modes.

Widely used in municipal, industrial and surface water scenarios. It adapts to sewage monitoring, petrochemical, marine shipping industries, as well as industrial process monitoring and surface water quality detection.
It is widely applicable to municipal water environment scenarios, realizing real-time online monitoring of urban sewage drainage and treatment processes.
Suitable for petrochemical industrial scenarios, it accurately monitors oil content in industrial wastewater and production process water to prevent oil pollution leakage.
Unexpected situations often occur during outdoor activities, such as getting lost, encountering accidents, or needing emergency assistance.
Applied to natural surface water environments, it realizes long-term stable monitoring of trace oil pollution in rivers, lakes and reservoirs for ecological water safety guarantee.
This sensor is also widely applied in diversified water quality monitoring scenarios, including laboratory inspection, industrial pollutant discharge monitoring, printing and dyeing textile industry, as well as municipal sewage treatment.
Overall Dimensions
Technical Specifications
Technical Parameters | Standard Model | Self-Cleaning Model |
Principle | UV Fluorescence Method | |
Measuring Range | 0–50 ppm or 0–0.40 FLU | |
Resolution | 0.01 ppm | |
Accuracy | ±3% FS | |
Protection Rating | IP68 | |
Depth | 10 m underwater | 10 m underwater |
Temperature Range | 0–50 °C | |
Sensor Interface | Supports RS-485, MODBUS protocol | |
Mounting Type | Submersible, Flow-through | Submersible |
Power Supply | DC 9–24 V, Current <50 mA | DC 9–24 V, Current >50 mA |
Dimensions | Φ32 × 145 mm | Φ32 × 145 mm (+ self-cleaning structure) |
Probe Cable Length | Customizable | |
Housing Material | POM | |
Self-cleaning System | No | Yes |