What are the available measuring ranges for COD?

There are two models: COD351L (0.75~500mg/L) and COD351H (1~1500mg/L).

Is the device waterproof and what is its protection grade?

Yes, the sensor has an IP68 waterproof rating and can operate under 1 Bar working pressure.

What customization options are available?

We offer OEM/ODM services, including customization from samples, designs, and flexible options like custom cable lengths.

Wastewater Online Toc Cod Tu Sensor for Real Time Monitoring

Name: Wastewater Online Toc Cod Tu Sensor for Real Time Monitoring
Brand: Suzhou Delfino Environmental Technology Co., Ltd.
SKU: 1928535255

Jiangsu, ChinaSuzhou Delfino Environmental Technology Co., Ltd.

US$1,249.00-1,349.00

1 Piece

Sample price:US$1329.00/piece.Request sample

Product profile

Customization

Available

Resolution

0.01mg/L

Waterproof Level

IP68

Model NO.

COD351

Output

RS485, Modbus RTU Protocol

Measuring Principle

UV254 Absorption Method

Measuring Range(Cod)

1~1500mg/L

Cleaning Method

Rubber Scraper

Transport Package

Carton

Trademark

daruifuno

Origin

China

HS Code

9026809000

Production Capacity

500 Pieces/Year

Key features

Zero Consumables Required: Uses UV254 nano-ultraviolet absorption method, eliminating the need for any consumable materials.

Multi-Parameter Monitoring: Simultaneously measures COD, TOC, turbidity, and temperature with real-time response.

Turbidity Compensation: Dual light sources (254nm/365nm) automatically eliminate suspended solid interference.

Standard Industrial Integration: RS485 digital interface with Modbus RTU protocol for easy connection to control systems.

Integrated Self-Cleaning: Built-in rubber scraper prevents biological attachment and reduces maintenance frequency.

High Precision & Stability: Resolution of 0.01mg/L with excellent repeatability, unaffected by ambient light.

Compact Drop-in Design: Small size (50mm diameter) allows for easy installation without sample digestion.

Flexible Customization: Supports OEM/ODM services and custom cable lengths for specific project needs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Suzhou Delfino Environmental Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.62h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established product development and customization capabilities, including 3D design, multiple customization models, ODM/OEM services, SDK availability, and software proficiency in AutoCAD, Pro/E, and SolidWorks. Quality processes include documented inspection, complaint handling, corrective and preventive action procedures, and stated quality assurance. Production evidence includes two production lines, one million pH meter units annually, two quality inspectors, and lead times within 15 workdays in both peak and off-peak periods. Service coverage is comparatively limited: no overseas warehouse, showroom, agents, branches, or overseas service countries are reported, and there is no valid manufacturing-capacity contract with related subcontractors. R&D documentation available for audit is also lacking. Certification, financial credibility, and customer-case evidence are insufficiently documented in the provided information.

Supplier typeThe supplier operates an assembling line and two production lines, produces pH meters, and serves industrial process control, municipal water testing, environmental monitoring, laboratory, and portable instrument applications. The information supports classification as a manufacturer and assembler of measuring instruments, although no formal supplier-type designation is stated.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions, customer complaints, supplier-service assessment, and finished-product inspection. However, it reports no overseas warehouse, showroom, agents, branches, or overseas service countries, indicating documented service processes but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, a professional R&D team, continuous innovation, more than 20 patents, ODM capability, SDK availability, and engineering proficiency in AutoCAD, Pro/E, and SolidWorks. Nevertheless, no design-input, output, review, verification, or validation documents were available for auditor review.

Production capacityProduction evidence includes two production lines, annual pH meter output of 1,000,000 pieces, in-stock capability, two quality assurance/QC inspectors, standardized finished-product inspection instructions, and lead times within 15 workdays in peak and off-peak seasons. A deficiency is that no valid manufacturing-capacity contract exists between the factory and related subcontractors.

Customization capabilityThe supplier explicitly provides 3D software design, customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services. These repeated capabilities across design and R&D records provide clear evidence of broad customization support.