Oil in Water Sensor for Water Quality, 0~40 mg/L

$1,825.39

The oil in water sensor uses the fluorescence method to measure oil concentrations from 0~40 mg/L with 0.01 mg/L resolution. The water quality sensor has a fast response time (<10 seconds), two-point calibration, and automatic temperature compensation (Pt1000). With RS485 and 4-20 mA outputs. Built with durable 316L stainless steel and IP68-rated. Perfect for monitoring oil pollution in wastewater treatment plants, industrial discharge monitoring, and environmental water protection.

Output Signal *
Self-cleaning *

SKU: ATO-WQS-OIL

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Delivery date: 6-12 days

Overview

The oil in water sensor measures 0~40 mg/L with high precision, fast response (<10s), and temperature compensation. It features RS485 and 4-20 mA outputs, durable stainless steel, and an IP68 rating, ideal for wastewater and environmental monitoring.

Specification

Model	ATO-OIL-406-S	ATO-OIL-408-S
Measurement Principle	Fluorescence Method
Measurement Range	0~40.00 mg/L
Resolution	0.01 mg/L
Accuracy	±3%, ±0.3°C
Response Time (T90)	<10 seconds
Minimum Detection Limit	0.4 mg/L
Calibration Method	Two-point calibration
Cleaning Method	None	With cleaning brush
Temperature Compensation	Automatic temperature compensation (Pt1000)
Output Mode	RS485 (Modbus RTU), 4-20 mA (optional)
Storage Temperature	-5~65°C
Operating Conditions	0~50°C, ≤0.2 MPa
Outer Material	316L Stainless Steel
Installation Method	Submersion installation, 3/4 NPT
Power Consumption	0.2W @12V
Power Supply	12~24 VDC
Protection Level	IP68
Connector	M16-5 waterproof connector (male)
Installation Distance	≥2 cm from the side wall, ≥10 cm from the bottom

Feature

Dual Output for High Stability: Provides simultaneous RS-485 (Modbus RTU) and 4-20 mA outputs, ensuring reliable and stable communication with various control systems.
Fluorescence Method for Accuracy: Uses the fluorescence measurement principle, effectively filtering natural light and minimizing disturbances from ambient UV light, resulting in accurate and reliable data.
Durable 316L Stainless Steel Construction: Built with 316L stainless steel, providing excellent resistance to corrosion, high temperatures, and wear, significantly extending the sensor's lifespan.
Integrated Cleaning Brush: Designed with a self-cleaning brush, preventing biofouling and reducing maintenance needs, which enhances long-term performance and durability.
High Sensitivity and Precision: Measures oil concentrations in water within a range of 0~40 mg/L, with a resolution of 0.01 mg/L and an accuracy of ±3%.
Waterproof and Submersion Installation: Achieves an IP68 protection rating, making it suitable for long-term submersion in water. Easily installed using a 3/4 NPT threaded connection.

Dimension (Unit: mm)

Oil in water sensor size

Application

ORP sensor for water quality application

Tips: How does the sensor measure oil in water?

The water quality sensor measures oil in water using the fluorescence method, which detects the light emitted by oil particles when exposed to specific ultraviolet (UV) wavelengths. This method is highly sensitive and effective for detecting low concentrations of oil. When UV light hits the oil particles in the water, they emit fluorescence, which the sensor captures and converts into a measurable signal. The fluorescence intensity is directly proportional to the oil concentration, allowing for precise and reliable measurements. Additionally, the sensor's advanced filtering system minimizes interference from ambient light or other environmental factors, ensuring accurate results even in challenging conditions.

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