I. Application Areas

This product is suitable for monitoring water quality in environmental protection, water conservancy, municipal administration, enterprises, and other fields, including rivers, lakes, surface water, sewage treatment plants, sewage discharge outlets, process control, rural sewage, urban landscape rivers, municipal pipe networks, and other watersheds.

Recommended installation methods: submersible, buoy installation, and shore-based stations.

II. Working Principle

UV254 COD utilizes advanced deep ultraviolet UV LED cold light sources, which have a long lifespan and minimal drift. It employs internationally recognized, proven, and highly accurate ultraviolet absorption methods. No sample pretreatment is required, and the reaction analysis is fast, without the need for any reagents or sampling equipment. The sensor features mechanical self-cleaning functionality and uses a 400-880nm four-light-path compensation light source to effectively eliminate the impact of turbidity and chromaticity on measurements.

III. Parameter Performance and Specifications

1. Parameter Indicators

2. Technical Advantages

? Five-light-path: 254nm and blue, green, red, infrared, effectively eliminating the impact of turbidity and chromaticity.

? Ultraviolet absorption method for measuring organic matter (e.g., COD, TOC, etc.), no reagents required, and no need for sample digestion.

? Fast response time, with the quickest response of 10 seconds (T90).

? Utilizes advanced cold light source UV LEDs, offering long lifespan and minimal drift. Employs filters and PD receivers, no consumables, long lifespan, and minimal drift.

? Standard equipped with an automatic cleaning brush, effectively preventing biofouling.

? Possesses independent intellectual property and a stable supply chain for key components, providing high cost-effectiveness.

? Can simultaneously output COD, SAC, T transmittance, TOC, BOD, turbidity.