Digital COD Sensor
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CS6602CD Digital RS485 Output COD BOD TOC Sensor
COD sensor is a UV absorption COD sensor, combined with a lot of application experience, based on the original basis of a number of upgrades, not only the size is smaller, but also the original separate cleaning brush to do one, so that the installation is more convenient, with higher reliability.
It does not need reagent, no pollution, more economic and environmental protection.On-line uninterrupted water quality monitoring.Automatic compensation for turbidity interference, with automatic cleaning device, even if long-term monitoring still has excellent stability.
Many organic compounds dissolved in water are absorbent to ultraviolet light. Therefore, the total amount of organic pollutants in the water can be measured by measuring the extent to which these organics absorb ultraviolet light at 254nm. -
CS6603CD Digital RS485 Output COD BOD TOC TURBIDITY Sensor
Digital RS485 Output COD Sensor is an advanced online instrument for continuous, real‑time measurement of Chemical Oxygen Demand (COD) in water and wastewater. Unlike conventional COD analyzers that rely on wet chemistry (dichromate digestion, colorimetry), this optical sensor uses UV‑vis absorption spectroscopy at multiple wavelengths (e.g., 254 nm for organic matter, 550 nm for turbidity compensation) to estimate COD without reagents or sample digestion. The sensor integrates a xenon or LED light source, a photodetector array, and a built‑in temperature sensor for automatic compensation (ATC). It directly outputs COD values in mg/L via RS‑485 (Modbus RTU), enabling plug‑and‑play integration into SCADA or IoT platforms. Its rugged, waterproof (IP68) housing and low‑maintenance design (no pumps, no tubing, no reagents) are suitable for continuous submersed operation in wastewater influent/effluent channels, industrial discharge, and surface water monitoring. Typical COD range is 0–2000 mg/L, with response time of < 30 seconds. While optical COD sensors require site‑specific calibration against standard dichromate methods, they provide rapid trend data and early warning of organic pollution spikes, helping operators optimize aeration, reduce chemical usage, and prevent permit violations. The digital RS485 output ensures long‑distance data transmission (up to 1200 m) without signal degradation, supports multi‑sensor networking (daisy‑chain), and enables remote calibration and self‑diagnostics. Compared to conventional COD analyzers, this digital sensor eliminates the need for expensive reagents, hazardous waste disposal, and frequent maintenance, significantly reducing operational costs and environmental footprint, making it an essential tool for unattended, continuous water quality monitoring in both industrial and municipal applications. It is particularly suitable for applications where rapid trend detection and low maintenance are prioritized over laboratory‑grade absolute accuracy, such as early warning systems, process control in biological treatment, and pollutant load estimation. -
COD Analyzer with Real-Time Monitoring Customized OEM Support for Chemical Industry SC6000UVCOD
The Online COD Analyzer is a state-of-the-art instrument designed for continuous, real-time measurement of Chemical Oxygen Demand(COD) in water. Utilizing advanced UV oxidation technology, this analyzer delivers precise and reliable data to optimizewastewater treatment, ensure regulatory compliance, and reduce operational costs. Ideal for harsh industrial environments, it features rugged construction, minimal maintenance, and seamless integration with control systems.
✅ High Precision & Reliability
Dual-wavelength UV detection compensates for turbidity and color interference.
Automatic temperature and pressure correction for lab-grade accuracy.
✅ Low Maintenance & Cost-Effective
Self-cleaning system prevents clogging in high-solids wastewater.
Reagent-free operation reduces consumable costs by 60% compared to traditional methods.
✅ Smart Connectivity & Alarms
Real-time data transmission to SCADA, PLC, or cloud platforms (IoT-ready).
Configurable alarms for COD threshold breaches (e.g., >100 mg/L).
✅ Industrial Durability
Corrosion-resistant design for acidic/alkaline environments (pH 2-12). -
CS6602CD Digital COD Sensor
Introduction:
COD sensor is a UV absorption COD sensor, combined with a lot of application experience, based on the original basis of a number of upgrades, not only the size is smaller, but also the original separate cleaning brush to do one, so that the installation is more convenient, with higher reliability.
It does not need reagent, no pollution, more economic and environmental protection.On-line uninterrupted water quality monitoring.Automatic compensation for turbidity interference, with automatic cleaning device, even if long-term monitoring still has excellent stability.
Testing principle:
Many organic compounds dissolved in water are absorbent to ultraviolet light. Therefore, the total amount of organic pollutants in the water can be measured by measuring the extent to which these organics absorb ultraviolet light at 254nm.