GAIMC Digital COD Sensor | UV Absorption Method with RS485/Modbus Output

GEC-COD485 Digital COD Sensor | GAIMC

Product Overview

The GEC-COD485 is a new generation of intelligent digital COD sensor independently developed by GAIMC. It can directly measure the COD value in the solution without a host unit, and connect to back-end equipment via RS485 for online monitoring and data recording, realizing efficient water quality detection.

Adopting advanced ultraviolet absorption method and built-in turbidity compensation function, the sensor features high measurement precision, fast response speed, excellent stability, long service life and low maintenance cost. It is widely applied in environmental protection, sewage treatment, breeding, food processing, printing and dyeing, metallurgy, pharmaceuticals, chemical engineering and other industrial and civil water quality monitoring scenarios.

Key Features

🔬

Ultraviolet Absorption Method

Advanced UV absorption technology for direct and accurate COD value measurement without chemical reagents.

🌫️

Built-in Turbidity Compensation

0~1000NTU turbidity compensation function, ensuring measurement accuracy in turbid water environments.

🔄

Automatic Cleaning Function

Integrated automatic cleaning to prevent sensor fouling, reducing maintenance frequency and cost.

🎯

Multi-point Calibration

Supports multi-point calibration to maintain long-term measurement accuracy of the sensor.

🛡️

Stainless Steel Casing

High-quality stainless steel shell with corrosion resistance, suitable for harsh industrial environments.

⚡

Wide Power Supply & IP68 Protection

12~24VDC wide power supply range; IP68 protection grade for long-term underwater operation.

Technical Specifications

Item	Details
Model	GEC-COD485
Measurement principle	Ultraviolet absorption method
Measurement range	0~500mg/L; 0~1500mg/L
Measurement accuracy	±5%F.S.; ±10%F.S.
Turbidity compensation	0~1000NTU
Output communication	RS485 (Modbus protocol)
Working voltage	12~24VDC
Cleaning function	Automatic cleaning
Protection grade	IP68
Installation thread	G 3/4
Product size (mm)	Φ50*270
Cable length	Standard 5m (Customized available)

Core Applications

♻️

Environmental Protection

COD monitoring in environmental water quality detection projects.

🏭

Wastewater Treatment

COD concentration detection in industrial and municipal wastewater treatment.

🐟

Breeding Industry

Water quality COD monitoring for aquaculture and breeding ponds.

🍜

Food Processing

COD detection in food processing wastewater and production water.

🎨

Printing & Dyeing

COD monitoring in printing and dyeing industry wastewater treatment.

🧪

Pharmaceuticals & Chemical

COD detection in pharmaceutical and chemical production wastewater.

FAQ

Does GEC-COD485 need a host unit for measurement?

No, the GEC-COD485 is an integrated intelligent sensor that can directly measure the COD value in the solution without matching an additional host unit. The measurement data is transmitted to back-end equipment via RS485 for online monitoring and recording.

What is the turbidity compensation range of GEC-COD485?

The sensor has a built-in turbidity compensation function with a compensation range of 0~1000NTU, which can effectively eliminate the interference of turbidity on COD measurement and ensure measurement accuracy in turbid water environments.

What communication method and protocol does the sensor support?

The GEC-COD485 supports RS485 communication and adopts the Modbus protocol, which can be easily connected to various back-end control systems and data recorders for remote data monitoring and management.

What are the installation specifications and protection grade of GEC-COD485?

Protection grade: IP68 (fully waterproof and dustproof, suitable for long-term underwater operation); Installation thread: G 3/4; Product size: Φ50*270mm; Standard cable length: 5m (customizable length is available according to on-site needs).

Industrial Online COD Monitoring Solution

GEC-COD485 digital COD sensor features ultraviolet absorption technology, turbidity compensation, automatic cleaning and IP68 protection.
Ideal for environmental protection, wastewater treatment, food processing, printing and dyeing, pharmaceutical and chemical industries' COD monitoring needs.

Get Custom Solution

Online Message

Have questions? Need a quote? We are ready to help! Fill out the form and a member of our sales team will contact you to discuss your requirements. You can also give us a call at (86)177-9158-1665.

GEC-COD485

Related Products

GWQ-pH6.0

Online pH controller
View More

GEC-EC485

Digital conductivity sensor
View More

GEC-DO485

Digital dissolved oxygen sensor
View More

FILE DOWNLOAD

HOT KEYWORDS

GEC-COD485 Digital COD Sensor 0~500/1500mg/L Range ±5%/±10%F.S. Accuracy 0~1000NTU Turbidity Comp IP68 Protection Φ50*270mm Size G3/4 Installation Thread UV Absorption Method Automatic Cleaning Multi-point Calibration RS485 (Modbus) 12~24VDC Wide Power Stainless Steel Casing Environmental Protection Wastewater Treatment Breeding Industry Food Processing Printing & Dyeing Pharmaceuticals & Chemical

GEC-COD485

Digital pH sensor