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Overview
A Digital Turbidity Sensor is a high-precision water quality detection device based on optical principles, also known as a Digital Turbidity Probe. Its core function is to convert physical signals into digital signals by measuring the scattering and absorption of light by suspended particles in water. Compared to traditional analog sensors, digital signal transmission offers advantages such as strong anti-interference, long transmission distance, and high data accuracy, enabling real-time data acquisition and remote monitoring when connected to computers, controllers, or IoT systems. This makes it highly valuable in industrial water treatment, environmental monitoring, and automation control.
Turbidity: Definition and Significance in Water Quality Monitoring
Turbidity is a key indicator of water transparency, defined as the scattering and absorption capacity of suspended particles. Its units are typically NTU (Nephelometric Turbidity Unit) or JTU (Jackson Turbidity Unit), with 1 NTU approximately equal to 1 mg/L of kaolin suspension. Turbidity directly reflects the concentration of suspended solids (such as sediment, microorganisms, and organic matter) in water, making it a core parameter in water quality monitoring.
In industrial water treatment, high turbidity can lead to equipment blockage and corrosion. In drinking water safety, high turbidity water may carry pathogens, posing health risks. Thus, real-time turbidity monitoring is crucial for ensuring water safety and optimizing treatment processes.
Technical Principles, Features, and Advantages of Digital Turbidity Sensors
Technical Principles
Digital Turbidity Sensors operate based on the laws of light scattering and absorption. When a parallel light beam passes through a water sample, some light is scattered by suspended particles, some is absorbed, and the remaining transmitted light is received by a photodetector. The sensor calculates turbidity by measuring the intensity ratio of scattered and transmitted light using an algorithm. For example, Daruifuno's turbidity sensor employs the infrared absorption-scattering method, applying ISO7027 standards for continuous and precise turbidity measurement, while also measuring suspended solids in water.
Core Features and Advantages
- High Precision and Wide Range: Daruifuno's sensor measures turbidity from 0~4000 NTU and suspended solids from 1~3000 mg/L, with a resolution of 0.001 NTU and accuracy of ±0.015 NTU, suitable for detecting ultra-pure water to high-turbidity wastewater.
- Digital Signal Output: Supports RS485 (Modbus-RTU), compatible with industrial automation systems.
- Environmental Adaptability: IP68 protection rating for long-term underwater operation; automatic temperature compensation and humidity warning.
- Structural Advantages: The fiber optic structure combined with the infrared LED light source ensures good data linearity, long signal transmission distance and minimal calibration requirements.
- Ease of Use and Maintenance: Modular design for easy installation and non-contact measurement, reducing sensor corrosion risk.
Applications
- Industrial Water Treatment: Real-time monitoring of circulating water, cooling water, and wastewater discharge in power plants, chemicals, and pharmaceuticals to optimize treatment processes.
- Drinking Water Safety: Monitoring raw water, sedimentation tanks, and effluent in water plants to ensure compliance with international standards.
- Environmental Monitoring: Continuous monitoring of water bodies such as rivers, lakes and reservoirs to provide early warning of soil erosion and pollution events.
- Laboratory and Field Testing: Integration with portable devices for field sampling and laboratory analysis.
- Smart Appliances: Optimizing washing programs in washing machines and dishwashers to reduce energy and water consumption.
Why Choose Daruifuno's Digital Turbidity Sensor?
Daruifuno's Digital Turbidity Sensor stands out as an ideal choice in water quality monitoring due to its high precision, strong anti-interference capabilities, and industrial-grade design. Whether for industrial automation, environmental monitoring, or smart appliances, its reliability and ease of use meet diverse needs. Looking ahead, as IoT and smart water management evolve, Daruifuno will continue to enhance sensor performance, providing global users with more precise and efficient water quality monitoring solutions.
We offer affordable prices without compromising quality. Our products support OEM and custom solutions for a wide range of industries. Visit our turbidity sensor product catalog page for more information.
Digital Turbidity Sensor,Digital Turbidity Probe
Suzhou Delfino Environmental Technology Co., Ltd. , https://www.daruifuno.com