Online Oil in water (PAH) Sensor
Key specifications:
✅Range 0-1000ppb (Customisable)
✅RS485,MODBUS protocol
✅Ultraviolet fluorescence method
✅Easy on-site use
✅Self-cleaning system
The measurement principle of the online oil in water (PAH) sensor is based on the fluorescence properties of PAH, which makes the fluorescence method more efficient, faster and more reproducible than several commonly used methods. Online real-time monitoring is possible. The sensor comes with a cleaning brush, which eliminates air bubbles and oil and reduces the interference of staining on the measurement, resulting in longer maintenance intervals and excellent stability for long-term online use. It can be used for monitoring and early warning of oil contamination in water.
Product Features
✅Digital sensor, RS485 output, standard MODBUS protocol.
✅Online measurement of PAH (oil) content in water by UV fluorescence method, high sensitivity.
✅Imported high-precision UV LED light source, high stability, small drift, long life.
✅Built-in calibration parameters, convenient for on-site use and secondary calibration.
✅With self-cleaning brush, to prevent microbial adherence, longer maintenance cycle.
Technical parameter
| Name | PAH Sensor(Low range) | PAH Sensor(High range) |
| Model | YCH301-L | YCH301-H |
| Principle | Ultraviolet fluorescence method | Ultraviolet fluorescence method |
| Range | 0-1100ppb(BTEX)、0-1000ppb(PAH) | 0-60ppm(BTEX)、0-100%RFU |
| Accuracy | ±5%FS | ±5%FS |
| Resolution | 0.01ppb | 0.01ppm |
| Linearity | R2 > 0.99(Continuous dilution of standard solutions) | R2 > 0.99(Continuous dilution of standard solutions) |
| Protection Level | IP68 | IP68 |
| Output Signal | Support RS-485/Modbus protocol | Support RS-485/Modbus protocol |
| Operating Temp. | 0-50℃ | 0-50℃ |
| Assembly | Input Type | Input Type |
| Power Supply | DC 12V, current < 50mA | DC 12V, current < 50mA |
| Cable Length | 5 meters (default),Customizable | 5 meters (default),Customizable |
| Housing Material | 316L/Titanium | 316L/Titanium |
| Dimension | Φ50*176.3mm | Φ50*181.3mm |
Application area
✅Shipping lanes and harbours: Fixed and portable oil-in-water monitoring systems enable in situ real-time monitoring of polycyclic aromatic hydrocarbon (PAH) concentrations in shipping lanes and harbours.
✅Groundwater monitoring: PAH water quality monitoring sensors can also be used for groundwater monitoring. By monitoring PAH concentrations in groundwater in real time, potential sources of contamination can be identified and groundwater resources can be protected.
✅Environmental water quality monitoring: These sensors are widely used in environmental water quality monitoring to help monitor PAH levels in water bodies, assess water quality conditions, and detect and deal with water pollution problems in a timely manner.
✅Emergency response to sudden events: In sudden events, such as oil spills, PAH water quality monitoring sensors can respond quickly to provide real-time data to support emergency response and pollution control.
Product Advantages
